Solar-driven all-weather organic solid waste circulating treatment device and method
By using a solar-driven, light-controlled dual-mode switching mechanism, the problem of light dependence in photoelectrocatalytic devices has been solved, enabling all-weather, high-efficiency conversion of solid biomass and co-production of green hydrogen, forming a closed-loop cycle. This solves the problems of low resource conversion rate and light dependence in traditional technologies, achieving efficient solid waste resource utilization and co-production of green hydrogen.
Patent Information
- Application Number
- CN202510990644.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-18
- Publication Date
- 2025-11-07
AI Technical Summary
Existing photoelectrocatalytic devices suffer from low solid-liquid mass transfer efficiency and light dependence in solid biomass treatment, making it difficult to achieve economical treatment and continuous operation around the clock, thus restricting the co-production model of solid waste resource utilization and green hydrogen production.
Employing a solar-driven, dual-mode switching mechanism, the system utilizes solar photovoltaic panels for photoelectrocatalysis during the day and switches to battery-powered electrocatalysis at night, enabling all-weather reactions. Combining photoelectrocatalysis and electrocatalysis modes, the system automatically switches between these modes via a light-controlled relay, achieving efficient conversion of solid biomass and co-production of green hydrogen.
It has achieved efficient conversion of solid biomass under mild conditions, producing high-value-added chemicals and green hydrogen, forming a closed-loop cycle, reducing carbon emissions throughout the entire life cycle, solving the problem of light dependence, and achieving all-weather operation.
Smart Images
Figure CN120901066A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of photoelectrocatalytic solid biomass conversion technology, and in particular to a solar-driven all-weather organic solid waste recycling device and method. Background Technology
[0002] Traditional solid biomass utilization technologies (physical, chemical, and biological methods) generally suffer from low resource conversion rates, weak added value of products, and the risk of secondary pollution. Linear technological pathways struggle to synergistically achieve energy recovery and high-value product synthesis, resulting in a severe waste of hydrocarbon resources in biomass. Therefore, there is an urgent need to develop clean and efficient new conversion systems.
[0003] As a zero-carbon energy carrier, green hydrogen faces the dual bottlenecks of high energy consumption and dependence on pure water in its mainstream water electrolysis production process. Traditional technologies struggle to couple solid waste resource utilization with green hydrogen production, hindering the development of a circular economy model of "solid waste conversion-green hydrogen co-production".
[0004] Photoelectrocatalysis technology utilizes solar energy to drive the gentle hydrogen production and co-production of chemicals from biomass, offering the advantages of both wide applicability of raw materials and high-value products. However, existing photoelectrocatalysis devices are limited by low solid-liquid mass transfer efficiency and light dependence (shutting down when there is no light), making it difficult to achieve economical processing of solid biomass and continuous operation around the clock, which has become a prominent obstacle to large-scale application. Summary of the Invention
[0005] In order to achieve economical treatment of solid biomass and continuous operation around the clock, this application provides a solar-driven all-weather organic solid waste recycling device and method.
[0006] The solar-powered, all-weather organic solid waste recycling device provided in this application adopts the following technical solution: A solar-powered, all-weather organic solid waste recycling and treatment device, comprising: A photoelectrocatalytic reactor is divided into a cathode chamber and an anode chamber by a proton exchange membrane. The anode chamber contains a dual-mode anode unit, which includes a photoelectrocatalytic anode plate and an electrocatalytic anode plate. The photoelectrocatalytic anode plate is loaded with a photoelectrocatalyst, and the electrocatalytic anode plate is loaded with an electrocatalyst. The cathode chamber contains a cathode unit, which includes a photocathode plate. Solar photovoltaic panels; Storage battery; The light control switching module is used to automatically switch the reaction mode according to the light conditions: when there is light, it conducts the circuit from the solar photovoltaic panel to the photocatalytic anode and photocathode; when there is no light, it conducts the circuit from the battery to the photocatalytic anode and photocathode.
[0007] The application adopts a light control dual-mode automatic switching mechanism: during the day, the light control relay turns on the solar photovoltaic panel to the photoelectrocatalytic system, the anode performs photoelectrocatalytic oxidation, and the cathode reduces hydrogen production; at night, it is automatically switched to the battery-powered electrocatalytic system, the anode performs electrochemical oxidation, and the cathode reduces hydrogen production; and the illumination dependence problem of traditional photoelectrocatalytic technology is improved.
[0008] The application uses solar energy as the only energy input, synchronously realizes power generation, catalysis and energy storage through a photovoltaic panel, drives the efficient conversion of solid biomass waste and water under mild conditions, and produces high-value chemicals (such as organic acids and alcohols) and green hydrogen, forming a closed loop of "waste resourceization-green hydrogen co-production-zero external energy supply", and the carbon emissions in the whole life cycle tend to zero.
[0009] Further, the light control switching module includes a light control relay one and a light control relay two, the light control relay one includes a contact one and a contact two, and the light control relay two includes a contact three and a contact four. When illuminated, the contact one and the contact three are closed, so that the solar photovoltaic panel is connected to the photoelectrocatalytic anode sheet and the photocathode sheet, respectively; when not illuminated, the contact two and the contact four are closed, so that the battery is connected to the electrocatalytic anode sheet and the photocathode sheet, respectively. The photoelectrocatalytic anode and the electrocatalytic anode are independent electrode sheets, avoiding reaction interference; the photocathode sheet realizes function conversion through contact switching, saving space cost.
[0010] Further, the solar photovoltaic panel charges the battery through a wire.
[0011] The excess electricity generated by the solar photovoltaic panel during the day is stored in the battery for electrocatalysis at night.
[0012] Further, it further includes a product collection module, the product collection module includes a hydrogen collection bag connected to the cathode chamber, a cathode product collection bottle for collecting cathode products, and an anode product collection bottle for collecting anode products.
[0013] The product collection bottle has the functions of buffering and storage, facilitating the replenishment of the reaction liquid and the collection of the products.
[0014] Further, it further includes a pretreatment module for degrading the solid biomass into an organic small molecule solution as a reaction liquid participating in the photoelectrocatalytic reaction or electrocatalytic reaction in the photoelectrocatalytic reactor.
[0015] Further, it further includes a circulation module, the circulation module includes a cathode circulation loop and an anode circulation loop; the cathode circulation loop is used to drive the reaction liquid and the cathode product to circulate between the cathode product collection bottle and the cathode chamber, and the anode circulation loop is used to drive the reaction liquid and the anode product to circulate between the anode product collection bottle and the anode chamber.
[0016] The reaction solution is driven to circulate between the reaction chamber and the product collection bottle by the circulation module to ensure appropriate reaction solution concentration to maintain the reaction rate.
[0017] The application also provides a solar-driven all-weather organic solid waste recycling method, which adopts a solar-driven all-weather organic solid waste recycling device, comprising a photoelectrocatalytic reaction and a light control mode switching step: The daytime mode is started when light is on, and the light control relay one and the light control relay two respectively conduct the circuit of the solar photovoltaic panel to the photoelectrocatalytic anode sheet and the photocathode sheet, the solar photovoltaic panel drives the photoelectrocatalytic anode sheet to oxidize organic matter and drives the photocathode sheet to produce hydrogen; at the same time, the solar photovoltaic panel charges the storage battery through the wire; The nighttime mode is started when there is no light, and the light control relay one and the light control relay two respectively conduct the circuit of the storage battery to the electrocatalytic anode sheet and the photocathode sheet, the storage battery drives the electrocatalytic anode sheet to oxidize organic matter and drives the photocathode sheet to produce hydrogen.
[0018] Further, it further comprises a pretreatment step: treating the solid biomass into an organic small molecule solution by chemical or enzymatic treatment as a reaction solution.
[0019] Further, it further comprises a reaction solution and product circulation step: driving the reaction solution and the cathode product to circulate between the cathode product collection bottle and the cathode chamber through the cathode circulation loop, and driving the reaction solution and the anode product to circulate between the anode product collection bottle and the anode chamber through the anode circulation loop.
[0020] Further, it further comprises a product collection step: guiding the hydrogen generated by the cathode chamber into the hydrogen collection bag, guiding the cathode product in the cathode chamber into the cathode product collection bottle, and guiding the anode product in the anode chamber into the anode product collection bottle.
[0021] In summary, the application comprises at least one of the following beneficial technical effects: 1. The application uses solar energy as the only energy input, synchronously realizes power generation, catalysis and energy storage through the photovoltaic panel, drives the efficient conversion of solid biomass waste and water under mild conditions, produces high-value chemicals (such as organic acids and alcohols) and green hydrogen, forms a closed loop of "waste resourceization-green hydrogen co-production-zero external energy supply", and tends to zero carbon emissions in the whole life cycle; 2. The application adopts a light control double-mode automatic switching mechanism, the daytime light control relay conducts the solar photovoltaic panel to the photoelectrocatalytic system, realizes photoelectrocatalytic oxidation-hydrogen production, automatically switches to the electrocatalytic system powered by the storage battery at night, carries out electrochemical oxidation-reduction hydrogen production, realizes all-weather reaction, and improves the problem of illumination dependence of traditional photoelectrocatalytic technology; 3. The reaction solution is circulated between the reaction chamber and the product collection bottle by the circulation module to ensure appropriate reaction solution concentration to maintain the reaction rate, and the product collection bottle has the functions of buffering and storage, forming a compact integrated processing unit. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is the overall structure schematic diagram of a solar-driven all-weather organic solid waste recycling device according to an embodiment of the present application; Figure 2 is the structure schematic diagram of the anode chamber in the embodiment; Figure 3 is the structure schematic diagram of the cathode chamber in the embodiment.
[0023] Reference signs: 1, solar photovoltaic panel; 2, connection line; 023-032, wire; 3, circulation pump one; 4, cathode introduction pipe; 5, cathode export pipe; 6, cathode pretreatment solution input pipe; 7, cathode product collection bottle; 8, cathode chamber; 81, light cathode sheet; 82, cathode reaction solution input / product output port; 83, hydrogen gas export port; 9, circulation pump two; 10, anode introduction pipe; 11, anode export pipe; 12, anode pretreatment solution input pipe; 13, anode product collection bottle; 14, anode chamber; 141, photoelectrocatalytic anode sheet; 142, electrocatalytic anode sheet; 143, anode reaction solution input / product output port; 15, holder one; 16, battery; 17, contact one; 18, contact two; 19, light control relay one; 20, hydrogen gas collection bag; 21, proton exchange membrane; 22, holder two; 23, contact three; 24, contact four; 25, light control relay two; 26, holder three. DETAILED DESCRIPTION
[0024] The following will be described in detail with reference to the accompanying drawings Figures 1-3 The present application will be further described in detail.
[0025] The embodiment of the present application discloses a solar-driven all-weather organic solid waste recycling device. Referring to Figure 1 , Figure 2 and Figure 3 , the solar-driven all-weather organic solid waste recycling device comprises a photoelectrocatalytic reactor, a solar photovoltaic panel 1, a battery 16, a connection line 2, a light control switching module, a pretreatment module, a circulation module and a product collection module.
[0026] The pretreatment module is used to degrade solid biomass into an organic small molecule solution, and the organic small molecule solution is used as a reaction solution to enter the photoelectrocatalytic reactor for photoelectrocatalytic reaction or electrocatalytic reaction, and the solar photovoltaic panel 1 or the battery 16 is used to drive the reaction in the photoelectrocatalytic reactor.
[0027] Specifically, referring toFigure 1 The photoelectrocatalytic reactor is divided into a cathode chamber 8 and an anode chamber 14 by a proton exchange membrane 21, the anode chamber 14 is provided with a dual-mode anode unit, and the cathode chamber 8 is provided with a cathode unit. Referring to Figure 2 The dual-mode anode unit includes photoelectrocatalytic anode sheets 141 and electrocatalytic anode sheets 142 which are independent of each other, the photoelectrocatalytic anode sheets 141 are loaded with photoelectrocatalysts (such as α-Fe2O3 catalysts and the like), and the electrocatalytic anode sheets 142 are loaded with electrocatalysts (such as nickel foam catalysts and the like). Referring to Figure 3 The cathode unit includes photo-cathode sheets 81 (such as platinum sheets).
[0028] Referring to Figure 2 and Figure 3 The light-controlled switching module includes a light-controlled relay one 19 and a light-controlled relay two 25, which are used to automatically switch the reaction mode according to the light conditions. Specifically, the light-controlled relay one 19 includes contact one 17 and contact two 18, and the light-controlled relay two 25 includes contact three 23 and contact four 24. The connection circuit 2 includes wires 023-032.
[0029] Referring to Figure 2 The photoelectrocatalytic anode sheets 141 are clamped by a clamp one 15 and connected to the contact one 17 through a wire 027, and the electrocatalytic anode sheets 142 are clamped by a clamp two 22 and connected to the contact two 18 through a wire 025. The light-controlled relay one 19 is connected to the solar photovoltaic panel 1 through a wire 026, and at the same time, the light-controlled relay one 19 is connected to the battery 16 through a wire 024.
[0030] Referring to Figure 3 The photo-cathode sheets 81 are clamped by a clamp three 26 and connected to the contact three 23 through a wire 032, and at the same time, the photo-cathode sheets 81 are clamped by the clamp three 26 and connected to the contact four 24 through a wire 030. The light-controlled relay two 25 is connected to the solar photovoltaic panel 1 through a wire 031, and at the same time, the light-controlled relay two 25 is connected to the battery 16 through a wire 029.
[0031] The light-controlled relay one 19 and the light-controlled relay two 25 can be two-way relays with integrated light sensors (such as photoresistors). During the day, the photoelectrocatalytic mode is switched to, the contact one 17 of the light-controlled relay one 19 is closed, the contact two 18 is disconnected, the contact three 23 of the light-controlled relay two 25 is closed, and the contact four 24 is disconnected, so that the solar photovoltaic panel 1 is connected to the photoelectrocatalytic anode sheets 141 and the photo-cathode sheets 81 respectively. The organic small molecule solution is photoelectrocatalytically oxidized in the anode chamber 14 to generate high-value-added chemicals, and the organic small molecule solution is reduced to produce hydrogen in the cathode chamber 8.
[0032] At night, when there is no light, the photocatalytic mode is switched to the electrocatalytic mode, the contacts two 18 of the light-controlled relay one 19 are closed, the contacts one 17 are disconnected, the contacts four 24 of the light-controlled relay two 25 are closed, the contacts three 23 are disconnected, the battery 16 is connected to the electrocatalytic anode sheet 142 and the photocathode sheet 81 respectively, the organic small molecule solution in the anode chamber 14 is electrocatalytically oxidized to generate high-value-added chemicals, and the organic small molecule solution in the cathode chamber 8 is reduced to produce hydrogen, so as to realize all-weather reaction.
[0033] With reference to Figure 2 and Figure 3 , the solar photovoltaic panel 1 is connected to the battery 16 through the wire 023 and the wire 028, and the excess electric energy generated by the solar photovoltaic panel 1 during the day is stored in the battery 16 for use in the electrocatalytic mode at night. A solar charging controller can be arranged between the solar photovoltaic panel 1 and the battery 16 to prevent overcharging, overdischarging, reverse current and to optimize charging.
[0034] The product collection module collects the products generated in the photoelectrocatalytic reactor. Specifically, with reference to Figure 3 , the product collection module includes a hydrogen collection bag 20 connected to the hydrogen gas outlet 83 of the cathode chamber 8. With reference to Figure 1 , the product collection module further includes a cathode product collection bottle 7 for collecting cathode products and an anode product collection bottle 13 for collecting anode products.
[0035] The circulation module includes a cathode circulation loop and an anode circulation loop. The cathode circulation loop is used to drive the reaction liquid and the cathode products to circulate between the cathode product collection bottle 7 and the cathode chamber 8, and the anode circulation loop is used to drive the reaction liquid and the anode products to circulate between the anode product collection bottle 13 and the anode chamber 14, so as to ensure the appropriate concentration of the reaction liquid to maintain the reaction rate.
[0036] Specifically, with reference to Figure 1 and Figure 2 , the anode circulation loop includes an anode introduction pipe 10, an anode export pipe 11 and a circulation pump two 9. The liquid inlet end of the anode introduction pipe 10 extends into the anode product collection bottle 13, and the liquid outlet end of the anode introduction pipe 10 extends into the anode chamber 14 through the anode reaction liquid input / product output port 143. The liquid inlet end of the anode export pipe 11 extends into the anode chamber 14 through the anode reaction liquid input / product output port 143, and the liquid outlet end of the anode export pipe 11 extends into the anode product collection bottle 13. The circulation pump two 9 is used to drive the reaction liquid to circulate between the anode chamber 14 and the anode product collection bottle 13. The anode product collection bottle 13 is further connected to an anode pretreatment solution input pipe 12 for introducing the organic small molecule solution into the anode product collection bottle 13.
[0037] With reference to Figure 1 and Figure 3The cathode circulation loop comprises a cathode introduction pipe 4, a cathode discharge pipe 5 and a circulation pump 3. The liquid inlet end of the cathode introduction pipe 4 extends into a cathode product collection bottle 7, and the liquid outlet end of the cathode introduction pipe 4 extends into the cathode chamber 8 through a cathode reaction liquid input / product output port 82. The liquid inlet end of the cathode discharge pipe 5 extends into the cathode chamber 8 through the cathode reaction liquid input / product output port 82, and the liquid outlet end of the cathode discharge pipe 5 extends into the cathode product collection bottle 7. The circulation pump 3 is used to drive the reaction liquid to circulate between the cathode chamber 8 and the cathode product collection bottle 7. The cathode product collection bottle 7 is also connected with a cathode pretreatment solution input pipe 6 for introducing the organic small molecule solution into the cathode product collection bottle 7.
[0038] The above-mentioned solar-driven all-weather organic solid waste recycling device is used to implement a solar-driven all-weather organic solid waste recycling method, which comprises the following steps: Step 1, pretreatment and reaction preparation: The solid biomass is treated by chemical or enzymatic hydrolysis into an organic small molecule solution as a reaction liquid. The reaction liquid is introduced into the anode product collection bottle 13 through the anode pretreatment solution input pipe 12 and introduced into the cathode product collection bottle 7 through the cathode pretreatment solution input pipe 6. The reaction liquid in the cathode product collection bottle 7 is introduced into the cathode chamber 8 by the circulation pump 3, and the reaction liquid in the anode product collection bottle 13 is introduced into the anode chamber 14 by the circulation pump 9.
[0039] Step 2, photoelectrocatalytic reaction and light control mode switching: When lighted, the daytime mode is started, and the light control relay 1 and the light control relay 2 respectively conduct the circuit of the solar photovoltaic panel 1 to the photoelectrocatalytic anode sheet 141 and the photocathode sheet 81, and the solar photovoltaic panel 1 drives the photoelectrocatalytic anode sheet 141 to oxidize organic matter and drives the photocathode sheet 81 to produce hydrogen; at the same time, the surplus electric energy generated by the solar photovoltaic panel 1 is stored in the storage battery 16 for night electric catalysis; When no light, the night mode is automatically started, and the light control relay 1 and the light control relay 2 respectively conduct the circuit of the storage battery 16 to the electric catalytic anode sheet 142 and the photocathode sheet 81, and the storage battery 16 drives the electric catalytic anode sheet 142 to oxidize organic matter and drives the photocathode sheet 81 to produce hydrogen.
[0040] Step 3, reaction liquid and product circulation, and product collection: According to the reaction needs, the reaction liquid and the cathode product are driven to circulate between the cathode product collection bottle 7 and the cathode chamber 8 by the cathode circulation loop, and the reaction liquid and the anode product are driven to circulate between the anode product collection bottle 13 and the anode chamber 14 by the anode circulation loop, so as to maintain the appropriate concentration of the reaction liquid in the cathode chamber 8 and the anode chamber 14.
[0041] During the reaction, the hydrogen generated in the cathode chamber 8 is introduced into the hydrogen collection bag 20; after the reaction, the cathode product in the cathode chamber 8 is introduced into the cathode product collection bottle 7 through the circulation pump one 3, and the anode product in the anode chamber 14 is introduced into the anode product collection bottle 13 through the circulation pump two 9; then, the products collected in the cathode product collection bottle 7 and the anode product collection bottle 13 are separated and purified.
[0042] The application uses solar energy as the only energy input, synchronously realizes power generation, catalysis and energy storage through a photovoltaic panel, drives efficient conversion of solid biomass waste and water under mild conditions, and produces high-value-added chemicals (such as organic acids and alcohols) and green hydrogen, forms a closed loop cycle of "waste resourceization-green hydrogen co-production-zero external energy supply", and tends to zero carbon emissions in the whole life cycle. At the same time, the application adopts a light-controlled dual-mode automatic switching mechanism: during the day, the solar photovoltaic panel 1 is turned on to the photoelectrocatalytic system by a light-controlled relay, the anode is subjected to photoelectrocatalytic oxidation, and the cathode reduces hydrogen production; at night, the system is automatically switched to an electric catalytic system powered by a storage battery 16, the anode is subjected to electrochemical oxidation, and the cathode reduces hydrogen production; all-weather reaction is realized, and the problem of illumination dependence of traditional photoelectrocatalytic technology is improved.
[0043] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A solar powered all-weather organic solid waste recycling plant characterized by: The application relates to a photoelectrocatalytic reactor, a solar photovoltaic panel, a storage battery, a light-controlled switching module, a product collection module, a pretreatment module and a circulation module. The photoelectrocatalytic reactor is divided into a cathode chamber and an anode chamber by a proton exchange membrane; a double-mode anode unit is arranged in the anode chamber, the double-mode anode unit comprises a photoelectrocatalytic anode sheet and an electrocatalytic anode sheet, the photoelectrocatalytic anode sheet is loaded with a photoelectrocatalyst, and the electrocatalytic anode sheet is loaded with an electrocatalyst; a cathode unit is arranged in the cathode chamber, and the cathode unit comprises a photocathode sheet. The solar photovoltaic panel is used for converting solar energy into electric energy. The storage battery is used for storing electric energy. The light-controlled switching module is used for automatically switching the reaction mode according to the light condition: when the light is on, the circuit of the solar photovoltaic panel to the photoelectrocatalytic anode sheet and the photocathode sheet is turned on; when the light is off, the circuit of the storage battery to the electrocatalytic anode sheet and the photocathode sheet is turned on.
2. The solar driven all-weather organic solid waste recycling plant as claimed in claim 1 wherein: The light-controlled switching module comprises a light-controlled relay one and a light-controlled relay two, the light-controlled relay one comprises a contact one and a contact two, and the light-controlled relay two comprises a contact three and a contact four. When the light is on, the contact one and the contact three are closed, so that the solar photovoltaic panel is connected to the photoelectrocatalytic anode sheet and the photocathode sheet respectively; when the light is off, the contact two and the contact four are closed, so that the storage battery is connected to the electrocatalytic anode sheet and the photocathode sheet respectively.
3. The solar driven all-weather organic solid waste recycling device according to claim 2, characterized in that: The solar photovoltaic panel charges the storage battery through a wire.
4. The solar driven all-weather organic solid waste recycling device according to claim 3, characterized in that: The product collection module comprises a hydrogen collection bag connected to the cathode chamber, a cathode product collection bottle for collecting the cathode product and an anode product collection bottle for collecting the anode product.
5. A solar driven all-weather organic solid waste recycling plant as claimed in any one of claims 4, wherein: The pretreatment module is used for degrading solid biomass into an organic small-molecule solution as a reaction liquid to participate in photoelectrocatalytic reaction or electrocatalytic reaction in the photoelectrocatalytic reactor.
6. A solar driven all-weather organic solid waste recycling plant as claimed in any one of claims 5, wherein: The circulation module comprises a cathode circulation loop and an anode circulation loop; the cathode circulation loop is used for driving the reaction liquid and the cathode product to circulate between the cathode product collection bottle and the cathode chamber, and the anode circulation loop is used for driving the reaction liquid and the anode product to circulate between the anode product collection bottle and the anode chamber.
7. A method for solar-driven all-weather organic solid waste recycling treatment, using the solar-driven all-weather organic solid waste recycling treatment device according to any one of claims 1-6, characterized in that: The application comprises photoelectrocatalytic reaction and light-controlled mode switching steps. When the light is on, the daytime mode is started, the light-controlled relay one and the light-controlled relay two turn on the circuit of the solar photovoltaic panel to the photoelectrocatalytic anode sheet and the photocathode sheet respectively, the solar photovoltaic panel drives the photoelectrocatalytic anode sheet to oxidize organic matters and drives the photocathode sheet to produce hydrogen; meanwhile, the solar photovoltaic panel charges the storage battery through the wire; When the light is off, the nighttime mode is started, the light-controlled relay one and the light-controlled relay two turn on the circuit of the storage battery to the electrocatalytic anode sheet and the photocathode sheet respectively, the storage battery drives the electrocatalytic anode sheet to oxidize organic matters and drives the photocathode sheet to produce hydrogen.
8. A method of solar driven all-weather organic solid waste recycling treatment according to claim 7, characterized in that: The pretreatment module is used for degrading solid biomass into an organic small-molecule solution as a reaction liquid to participate in photoelectrocatalytic reaction or electrocatalytic reaction in the photoelectrocatalytic reactor.
9. A method of solar powered, all-weather, organic solid waste recycling as claimed in claim 7, wherein: The circulation module comprises a cathode circulation loop and an anode circulation loop; the cathode circulation loop is used for driving the reaction liquid and the cathode product to circulate between the cathode product collection bottle and the cathode chamber, and the anode circulation loop is used for driving the reaction liquid and the anode product to circulate between the anode product collection bottle and the anode chamber.
10. A method of solar powered, all-weather, organic solid waste recycling as claimed in claim 7, wherein: The product collection module comprises a hydrogen collection bag connected to the cathode chamber, a cathode product collection bottle for collecting the cathode product and an anode product collection bottle for collecting the anode product.