CN106206023B - A kind of outdoor electric cabinet based on solar power generation - Google Patents

Abstract

The present application relates to an outdoor power cabinet based on solar power generation, comprising: a cabinet body, a solar panel and a storage battery, the cabinet body is provided with a front door and a side door, the front door is provided with a viewing window, and the front door and the side door are provided with Yuema locks are installed; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, the battery and the cabinet are electrically connected to each other; the battery Provide power support for the functional modules of the power cabinet; the solar panel is based on dye-sensitized solar cells. This application provides an outdoor power cabinet based on solar power generation, which can make full use of outdoor solar energy resources, provide additional energy support for the power cabinet, and can temporarily escape from the constraints of the power grid.

Description

An outdoor power cabinet based on solar power generation

technical field

The present application relates to the field of power cabinets, in particular to an outdoor power cabinet based on solar power generation.

Background technique

The power cabinet is a protection device used in the electric power field to provide the normal operation of power components. It can be equipped with multiple functions to ensure the stable operation of the power system.

Solar clean energy is to convert the sun's light energy into thermal energy, electric energy and other forms, and no other pollution will be generated during the energy conversion process. At present, silicon-based solar energy is most used, and its photoelectric conversion efficiency is relatively high. However, the purification process of silicon will cause environmental pollution, and the manufacturing process of silicon-based solar cells is complicated and expensive.

Contents of the invention

In order to overcome the problems existing in related technologies, combined with power cabinets and solar cells, this application provides an outdoor power cabinet based on solar power generation, which can make full use of outdoor solar energy resources, provide additional energy support for the power cabinet, and can temporarily get rid of the power grid constraint function.

The application is realized through the following technical solutions:

An outdoor power cabinet based on solar power generation, comprising: a cabinet body, a solar panel and a storage battery, the cabinet body is provided with a front door and a side door, the front door is provided with a viewing window, and the front door and the side door are equipped with Yuema lock; the solar panel is installed on the top of the cabinet, and the storage battery is installed at the bottom of the cabinet; the solar panel, the storage battery and the cabinet are electrically connected to each other; the storage battery is the The power cabinet function module provides power support.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

The technical solutions provided by the embodiments of the present application may include the following beneficial effects:

1. For the dye-sensitized solar cell in the power cabinet of this application, because TiO2 nanoparticles are used as the carrier of the dye in the traditional dye-sensitized solar cell, although the particle structure has a large specific surface area, due to the existence of the interface between particles, electrons The transmission between particles will go through numerous interfaces, which weakens the transmission rate of electrons in the transmission process; the photoanode structure in the dye-sensitized solar cell of the present invention is a three-dimensional grid nanostructure of tungsten trioxide directly grown on a transparent conductive film, It has a direct electron transfer channel, and electrons can be collected to the electrode along the three-dimensional nanogrid. At the same time, because tungsten trioxide nanomaterials are wide-bandgap semiconductor materials and have high conductivity, they are greatly improved in terms of structure and materials. Improved electron transfer efficiency.

2. The three-dimensional grid nanostructure of tungsten trioxide has a large specific surface area, which can greatly improve the adsorption efficiency of dyes. The dyes are excited by light to generate electrons. Sufficient dye adsorption can generate a large number of photons, increase the photocurrent density, and thus improve conversion efficiency of sunlight.

3. A layer of Cr metal is added between the FTO substrate of the photoanode and the tungsten trioxide three-dimensional grid nanostructure, which acts as a transition layer for electron conduction, avoiding the large contact resistance between the nanostructure and the substrate. In addition, in Nano-silver particles are added to the electrolyte, and the nano-silver particles help to scatter sunlight in the electrolyte, increase the probability of dye absorption, and improve photoelectric conversion efficiency.

4. In the improved photoanode structure designed in the present invention, the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method. The preparation method is simple, low in cost, and has the potential for a wide range of practical applications.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.

Figure 1 is a schematic diagram of the structure of the power cabinet described in this application, wherein, 1-cabinet body, 2-solar panel, 3-battery

Fig. 2 is a flow chart of the manufacturing method of the dye-sensitized solar cell in the power cabinet of the present application.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the application may repeat reference numbers and/or letters in different instances. This repetition is for simplicity and clarity and is not, in itself, the relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials. In addition, the structure described below in which the first feature is "on" the value of the second feature may include embodiments where the first and second features are formed in direct contact, and may include additional features formed between the first and second features For example, such that the first and second features may not be in direct contact.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

Energy is the material that provides energy conversion to nature and is the material basis of human activities. Clean energy, also known as green energy, refers to those energy sources that do not emit pollutants, including water energy, wind energy, solar energy, biomass energy, nuclear energy, geothermal energy, etc. Clean energy is environmentally friendly, with less emissions and less pollution. Small. At present, the development and utilization of clean energy is becoming the unanimous appeal of the global community.

Solar clean energy is to convert the sun's light energy into thermal energy, electric energy and other forms, and no other pollution will be generated during the energy conversion process. At present, silicon-based solar energy is most used, and its photoelectric conversion efficiency is relatively high. However, the purification process of silicon will cause environmental pollution, and the manufacturing process of silicon-based solar cells is complicated and expensive.

In the big family of solar cells, dye-sensitized solar cells belong to organic-inorganic hybrid cells. This type of cell consists of a photoanode, a counter electrode, and an electrolyte sandwiched between them to form a sandwich structure; among them, the photoanode is generally made of transparent The electrode and the TiO2 nano film on its surface are composed of dyes adsorbed on the TiO2 nano film, and the dyes are mainly used to absorb solar energy; the counter electrode is generally composed of an electrode and a catalytic film on its surface, and the catalytic film is generally Pt metal. Dye-sensitized solar cells have the advantages of simple technology and low cost. In the study of dye-sensitized solar cells, the material and structure of the photoanode play a great role in improving the conversion efficiency of photoelectricity.

Metal tungsten belongs to the transition metal. Tungsten trioxide is the highest oxidation state of tungsten, which fully satisfies the stoichiometric ratio. Tungsten trioxide is a typical wide-bandgap semiconductor functional material, which is used in gas detection, light, electrochromism, photocatalysis , Electrochemical and other aspects have excellent performance.

Below in conjunction with embodiment the present invention will be further described.

Embodiment one:

From Fig. 1, the embodiment of the present application relates to an outdoor power cabinet based on solar power generation, including: a cabinet body 1, a solar panel 2 and a storage battery 3, the cabinet body is provided with a front door and a side door, and the front door is A viewing window is provided, Yuema locks are installed on the front door and the side door; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, battery and the cabinet are electrically connected to each other; the storage battery provides power support for the functional modules of the power cabinet.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, referring to Figure 2, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

Preferably, in the dye-sensitized solar cell, a layer of tungsten trioxide grid structure is grown on the FTO substrate through hydrothermal growth, wherein when the content of tungsten hexachloride is 60 mmol, the thickness of the nano grid is 6 μm. The three-dimensional nanostructure of tungsten trioxide is in the shape of a hollow network, in which the diameter of the grid structure is 40nm, and a large number of dye molecules can be adsorbed and hidden in the middle, and the dye adsorption amount is 0.189×10-6mol/cm2.

The photoelectric conversion test was carried out on the dye cell structure of the present invention. The test condition was AM1.5 optical power density 100mW/cm2. The test found that the short-circuit current was 15.4mA/cm2, the open-circuit voltage was 0.6V, and the photoelectric conversion efficiency reached 9.4%. Anti-fatigue test, in the case of continuous test for 1000h, the photoelectric conversion efficiency has dropped by 3.1% compared with that, and the working stability is good.

Through testing, the outdoor power cabinet of the present invention has a simple preparation process, strong fatigue resistance, high photoelectric conversion efficiency, and has certain practical application potential.

Embodiment two:

From Fig. 1, the embodiment of the present application relates to an outdoor power cabinet based on solar power generation, including: a cabinet body 1, a solar panel 2 and a storage battery 3, the cabinet body is provided with a front door and a side door, and the front door is A viewing window is provided, Yuema locks are installed on the front door and the side door; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, battery and the cabinet are electrically connected to each other; the storage battery provides power support for the functional modules of the power cabinet.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, referring to Figure 2, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

Preferably, in the dye-sensitized solar cell, a layer of tungsten trioxide grid structure is grown on the FTO substrate through hydrothermal growth, wherein when the content of tungsten hexachloride is 50 mmol, the thickness of the nano grid is 5 μm. The three-dimensional nanostructure of tungsten trioxide is in the shape of a hollow network, in which the diameter of the grid structure is 40nm, and a large number of dye molecules can be adsorbed and hidden in the middle, and the dye adsorption amount is 0.189×10-6mol/cm2.

The photoelectric conversion test was carried out on the dye cell structure of the present invention. The test condition was AM1.5 optical power density 100mW/cm2. The test found that the short-circuit current was 15.4mA/cm2, the open-circuit voltage was 0.6V, and the photoelectric conversion efficiency reached 8.3%. Anti-fatigue test, in the case of continuous test for 1000h, the photoelectric conversion efficiency has dropped by 3.5% compared with that, and the working stability is better.

Through testing, the outdoor power cabinet of the present invention has a simple preparation process, strong fatigue resistance, high photoelectric conversion efficiency, and has certain practical application potential.

Embodiment three:

From Fig. 1, the embodiment of the present application relates to an outdoor power cabinet based on solar power generation, including: a cabinet body 1, a solar panel 2 and a storage battery 3, the cabinet body is provided with a front door and a side door, and the front door is A viewing window is provided, Yuema locks are installed on the front door and the side door; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, battery and the cabinet are electrically connected to each other; the storage battery provides power support for the functional modules of the power cabinet.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, referring to Figure 2, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

Preferably, in the dye-sensitized solar cell, a layer of tungsten trioxide grid structure is grown on the FTO substrate through hydrothermal growth, wherein when the content of tungsten hexachloride is 70 mmol, the thickness of the nano grid is 7 μm. The three-dimensional nanostructure of tungsten trioxide is in the shape of a hollow network, in which the diameter of the grid structure is 40nm, and a large number of dye molecules can be adsorbed and hidden in the middle, and the dye adsorption amount is 0.189×10-6mol/cm2.

The photoelectric conversion test was carried out on the dye cell structure of the present invention. The test condition was AM1.5 optical power density 100mW/cm2. The test found that the short-circuit current was 15.4mA/cm2, the open-circuit voltage was 0.6V, and the photoelectric conversion efficiency reached 7.8%. Anti-fatigue test, in the case of continuous test for 1000h, the photoelectric conversion efficiency has dropped by 5.1% compared with that, and the working stability is good.

Through testing, the outdoor power cabinet of the present invention has a simple preparation process, strong fatigue resistance, high photoelectric conversion efficiency, and has certain practical application potential.

Embodiment four:

From Fig. 1, the embodiment of the present application relates to an outdoor power cabinet based on solar power generation, including: a cabinet body 1, a solar panel 2 and a storage battery 3, the cabinet body is provided with a front door and a side door, and the front door is A viewing window is provided, Yuema locks are installed on the front door and the side door; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, battery and the cabinet are electrically connected to each other; the storage battery provides power support for the functional modules of the power cabinet.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, referring to Figure 2, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

Preferably, in the dye-sensitized solar cell,

After hydrothermal growth, a layer of tungsten trioxide grid structure is grown on the FTO substrate, and when the content of tungsten hexachloride is 90 mmol, the thickness of the nano grid is 10 μm. The three-dimensional nanostructure of tungsten trioxide is in the shape of a hollow network, in which the diameter of the grid structure is 40nm, and a large number of dye molecules can be adsorbed and hidden in the middle, and the dye adsorption amount is 0.189×10-6mol/cm2.

The photoelectric conversion test was carried out on the dye cell structure of the present invention. The test condition was AM1.5 optical power density 100mW/cm2. The test found that the short-circuit current was 15.4mA/cm2, the open-circuit voltage was 0.6V, and the photoelectric conversion efficiency reached 7.3%. Anti-fatigue test, in the case of continuous test for 1000h, the photoelectric conversion efficiency has dropped by 3.1% compared with that, and the working stability is good.

Through testing, the outdoor power cabinet of the present invention has a simple preparation process, strong fatigue resistance, high photoelectric conversion efficiency, and has certain practical application potential.

Embodiment five:

From Fig. 1, the embodiment of the present application relates to an outdoor power cabinet based on solar power generation, including: a cabinet body 1, a solar panel 2 and a storage battery 3, the cabinet body is provided with a front door and a side door, and the front door is A viewing window is provided, Yuema locks are installed on the front door and the side door; the solar panel is installed on the top of the cabinet, and the battery is installed on the bottom of the cabinet; the solar panel, battery and the cabinet are electrically connected to each other; the storage battery provides power support for the functional modules of the power cabinet.

Preferably, the outer surface of the cabinet is coated with heat reflective paint.

Preferably, the solar panel is based on dye-sensitized solar cells.

Preferably, the dye-sensitized solar cell consists of a photoanode, a counter electrode, and an electrolyte; structure and dye molecules; the transition layer is a Cr film transition layer; the thickness of the tungsten trioxide seed layer is 50nm; the tungsten trioxide three-dimensional grid nanostructure is prepared by a hydrothermal method.

Preferably, referring to Figure 2, the preparation process of the dye-sensitized solar cell is as follows:

S1, preparation of photoanode

a) Clean the FTO substrate: There will be oil, dust and other pollution on the surface of the FTO conductive glass. First, take a FTO conductive glass of a certain size (10cm×10cm), put its conductive side up into the detergent solution, and ultrasonically clean it for 30 minutes. Then rinse repeatedly with deionized water several times until the detergent is cleaned. Then, put the FTO conductive glass into acetone, ethanol, and deionized water for 20 minutes, and then dry it with a nitrogen gun for use;

b) Preparation of transition layer: Magnetron sputtering a layer of Cr film on the surface of the cleaned FTO conductive glass, which is used as a transition layer between the tungsten trioxide three-dimensional grid structure and the FTO conductive glass, and the thickness of the Cr film is 50nm;

c) Preparation of tungsten trioxide seed layer: Take 0.1mol of sodium tungstate, 0.06mol of diethanolamine and 100ml of absolute ethanol solution, put it into a beaker, stir magnetically at room temperature for 30min, make it fully mixed, and then put the beaker Put it in an 80°C oil bath for 6 hours with magnetic stirring to obtain a seed solution; take the FTO conductive glass cleaned in step 1, slowly put it into the seed solution, let it stand for 3 minutes, and then pull out the FTO conductive glass slowly, keeping the pulling speed 0.05cm/s, then put the pulled out FTO conductive glass into an oven for drying, and finally put the FTO conductive glass into a muffle furnace for annealing at 300°C for 5h, and the heating rate during the heating process is 5°C/min;

d) Growth of tungsten trioxide three-dimensional grid nanostructure: prepare a mixed solution containing tungsten hexachloride, 30mmol sodium tungstate, 45mmol hexamethylenetetramine and 200ml deionized water, add 5ml ammonia water dropwise and stir, then Transfer it to the inner tank of the autoclave; take the FTO conductive glass covered with the tungsten trioxide seed layer and lean against the solution in the inner tank of the autoclave, place the conductive side down, and after sealing, put the autoclave into the solution that has been heated to 95 In an oven at ℃, react for 24 hours. After the reaction is complete, it is naturally lowered to room temperature. Take out the FTO conductive glass and wash it with deionized water for 30 seconds to obtain a photoanode with a three-dimensional grid nanostructure of tungsten trioxide;

S2, preparation of electrolyte and dye:

The electrolyte uses the traditional iodine/iodine trianion electrolyte, first weigh 100ml of acetonitrile solution, add 0.1mol of lithium iodide, 0.1mol of elemental iodine, 0.6mol of 4-tert-butylpyridine and 0.6mol of tetrabutyl ammonium iodide, avoid light and ultrasonically 5min to make it fully dissolved; then weigh 5g of nano-silver particles, add it to the mixed solution, and mix thoroughly;

Dye solution: Weigh 50mg of N719 powder and 30ml of absolute ethanol, add N719 into absolute ethanol, fully dissolve, and stir for 12 hours in the dark;

S3, package:

Put the dye solution prepared in step S2 into a brown glass dish, then put the photoanode with the tungsten trioxide three-dimensional grid nanostructure into the brown glass dish, sensitize at 60°C for 3 hours in the dark, take it out, and put FTO conductive glass of the same size with a Pt catalytic layer is packaged together with the photoanode, the packaging material is a heat-sealing film, the electrolyte is injected from the small hole at one end of the counter electrode, the small hole is packaged, and the wire is connected to form the improvement of the present invention type dye-sensitized solar cells.

Preferably, in the dye-sensitized solar cell, a layer of tungsten trioxide grid structure is grown on the FTO substrate through hydrothermal growth, wherein when the content of tungsten hexachloride is 120 mmol, the thickness of the nano grid is 15 μm. The three-dimensional nanostructure of tungsten trioxide is in the shape of a hollow network, in which the diameter of the grid structure is 40nm, and a large number of dye molecules can be adsorbed and hidden in the middle, and the dye adsorption amount is 0.189×10-6mol/cm2.

The photoelectric conversion test was carried out on the dye cell structure of the present invention. The test condition was AM1.5 optical power density 100mW/cm2. The test found that the short-circuit current was 15.4mA/cm2, the open-circuit voltage was 0.6V, and the photoelectric conversion efficiency reached 6.5%. Anti-fatigue test, in the case of continuous test for 1000h, the photoelectric conversion efficiency has dropped by 3.1% compared with that, and the working stability is good.

Through testing, the outdoor power cabinet of the present invention has a simple preparation process, strong fatigue resistance, high photoelectric conversion efficiency, and has certain practical application potential.

Other embodiments of the invention will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present invention, these modifications, uses or adaptations follow the general principles of the present invention and include common knowledge or conventional technical means in the technical field not disclosed in this application . The specification and examples are to be considered exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It should be understood that the present invention is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (2)

1. a kind of outdoor electric cabinet based on solar power generation, including：Cabinet, solar panel and storage battery, the cabinet On be provided with front door and side door, form is provided with the front door, is mounted on locking on the front door and side door；The solar energy Solar panel is installed on the top of the cabinet, and the storage battery is installed on the bottom of the cabinet；The solar panel, storage Battery and cabinet are electrically connected to each other；The storage battery provides electric power support for the electric power cabinet function module；

The solar panel is based on dye-sensitized solar cells；

The dye-sensitized solar cells are formed by light anode, to electrode and electrolyte；The light anode is followed successively by from outside to inside FTO substrates, transition zone, tungstic acid Seed Layer, tungstic acid three-dimensional grid nanostructured and dye molecule；The transition zone is Cr film transition zones；The tungstic acid seed layer thickness is 50nm；The tungstic acid three-dimensional grid nanostructured uses hydro-thermal It is prepared by method；

The preparation process of the dye-sensitized solar cells is as follows：

S1, prepares light anode

A) FTO substrates are cleaned：The FTO electro-conductive glass of 10cm × 10cm is taken first, its conduction is put into liquid detergent solution up In, it is cleaned by ultrasonic 30min, is then rinsed repeatedly with deionized water for several times, until liquid detergent is cleaned up, then, FTO is led Electric glass is sequentially placed into acetone, ethanol, deionized water is cleaned by ultrasonic 20min respectively, is dried up with nitrogen gun stand-by；

B) transition zone is prepared：One layer of Cr film of FTO conductive glass surfaces magnetron sputtering after cleaning, it is three-dimensional as tungstic acid The transition zone of network and FTO electro-conductive glass, Cr film thicknesses are 50nm；

C) tungstic acid Seed Layer is prepared：Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and 100ml absolute ethyl alcohols molten Liquid, puts it into beaker, in room temperature magnetic agitation 30min, is sufficiently mixed it, and beaker then is put into magnetic in 80 DEG C of oil baths Power stirs 6h, obtains seed solution；The FTO electro-conductive glass of step b is slowly immersed in seed solution, 3min is stood, then delays Slow to pull out FTO electro-conductive glass, it is 0.05cm/s to keep pulling out speed, and then the FTO electro-conductive glass of pull-out is put into baking oven and is dried It is dry, FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, heating rate is 5 DEG C/min wherein in temperature-rise period；

D) tungstic acid three-dimensional grid nanostructured is grown：Preparation contains tungsten hexachloride, 30mmol sodium tungstates, six times of 45mmol The deionized water mixed solution of tetramine and 200ml, wherein, tungsten hexachloride for 50mmol or 60mmol or 70mmol or 90mmol or 120mmol, is added dropwise 5ml ammonium hydroxide and stirs, transfer it in autoclave liner；Take and be covered with three oxidations The FTO electro-conductive glass of tungsten Seed Layer is tilted in the solution for leaning against autoclave liner, conductive placed face down, after sealing, by high pressure Kettle, which is put into, to be warming up in 95 DEG C of baking oven, reacts 24h, is down to room temperature after the reaction was complete naturally, takes out FTO electro-conductive glass, With deionized water rinsing 30s, obtaining growth has the light anode of tungstic acid three-dimensional grid nanostructured；

S2, prepares electrolyte and dyestuff：

Electrolyte applies traditional three anion electrolyte of iodine/iodine, weighs the acetonitrile solution of 100ml first, adds thereto The tetrabutylammonium iodide of the lithium iodide of 0.1mol, 0.1mol iodines, 0.6mol 4- tert .-butylpyridines and 0.6mol, lucifuge surpass Sound 5min, makes it fully dissolve；Then the nano silver particles of 5g are weighed, are added into mixed solution, are sufficiently mixed；

Dye solution：N719 powder 50mg, absolute ethyl alcohol 30ml are weighed, N719 is added in absolute ethyl alcohol, fully dissolving, lucifuge Stir 12h；

S3, encapsulation：

Take the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid nanometer The light anode of structure enters in the brown glass ware, and lucifuge is sensitized 3h at 60 DEG C, takes out, then by the phase with Pt Catalytic Layers It is packaged together with size FTO electro-conductive glass and the light anode, encapsulating material uses heat-sealing film, by electrolyte to electrode one end Aperture injection, encapsulate aperture, connecting wire, formed modified dye-sensitized solar cells.

2. outdoor electric cabinet according to claim 1, it is characterised in that：The cabinet outer surface scribbles heat reflection coatings.