CN110993739A - Production method of membrane electrode for solar cell - Google Patents
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- CN110993739A CN110993739A CN201911286161.0A CN201911286161A CN110993739A CN 110993739 A CN110993739 A CN 110993739A CN 201911286161 A CN201911286161 A CN 201911286161A CN 110993739 A CN110993739 A CN 110993739A
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- 239000012528 membrane Substances 0.000 title claims abstract description 107
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 239000003054 catalyst Substances 0.000 claims abstract description 69
- 239000011248 coating agent Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 229910003455 mixed metal oxide Inorganic materials 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 239000012046 mixed solvent Substances 0.000 claims abstract description 4
- 230000010355 oscillation Effects 0.000 claims abstract description 4
- 150000003460 sulfonic acids Chemical class 0.000 claims abstract description 4
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 18
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 3
- -1 drying Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract 3
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000306 component Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hybrid Cells (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a production method of a membrane electrode for a solar cell, which comprises the following steps: pretreating a membrane electrode substrate: selecting nano TiO2Preparing a membrane electrode substrate, and then ultrasonically cleaning the membrane electrode substrate by using a sodium hypochlorite solution, a sodium hydroxide solution, ethanol and deionized water respectively; preparing a catalyst coating: pouring the catalyst and the perfluorinated sulfonic acid solution into the mixed solvent for ultrasonic dispersion; preparing catalyst slurry: weighing mixed metal oxide, mixing and dispersing in an organic solvent, performing ultrasonic oscillation, adding a catalyst coating, and performing ultrasonic dispersion; sending the membrane electrode substrate to an anode/cathode preparation area of the membrane electrode, respectively coating catalyst slurry on the membrane electrode substrate, drying and then coating catalyst paint, and preparing an anode catalyst layer of the membrane electrode and a cathode catalyst of the membrane electrode; and transferring the membrane electrode to a detection area for apparent detection and membrane electrode perforation detection, and drying to obtain the membrane electrode for the solar cell if the detection is qualified.
Description
Technical Field
The invention belongs to the technical field of membrane electrodes, and relates to a production method of a membrane electrode for a solar cell.
Background
With the increasing worsening of environmental problems and the limited reserves of fossil fuel energy, researchers all over the world have in recent years been working to develop new clean energy sources to alleviate the dual pressures of environmental deterioration and energy limitation. The solar cell can effectively utilize clean energy to generate electricity, is a photoelectric semiconductor sheet which directly generates electricity by utilizing sunlight, is a device which directly converts light energy into electric energy by a photoelectric effect or a photochemical effect, and can output voltage and generate current under the condition of a loop instantly as long as the device is illuminated under a certain illumination condition. In the prior art, crystalline silicon solar cells working with photoelectric effect are the mainstream, and thin film solar cells working with photochemical effect are still in development stage.
In order to improve the power and energy conversion efficiency of the solar cell, it is important how to efficiently prepare a core component membrane electrode of the solar cell with excellent performance in high quality. In most of the current methods, a method which is commonly adopted is to directly spray catalyst slurry on an electrode in a gas drainage mode to form a catalyst direct coating film assembly, and the other method is to directly coat the catalyst slurry on a gas diffusion layer or a transfer film, transfer the catalyst slurry on the electrode through hot pressing, and shape the electrode through forming processes such as punching, laser scribing and the like to finally form the solar cell.
The thin film electrode can be widely applied to the field of devices such as energy storage batteries, super capacitors, solar cells, OLEDs, flexible electrons and transparent electrons. The existing membrane electrode production method generally has the problems of troublesome manufacture, long manufacturing period, low production efficiency, difficult mass production, difficult quality control in the production process and easy damage to the membrane electrode in the production and detection process.
Disclosure of Invention
The invention aims to provide a method for producing a membrane electrode for a solar cell, which solves the problems that the membrane electrode production method in the prior art is troublesome to manufacture, long in manufacturing period, low in production efficiency, not beneficial to mass production, difficult to control the quality of the production process and easy to damage the membrane electrode in the production and detection process.
The invention adopts the technical scheme that the production method of the membrane electrode for the solar cell comprises the following steps:
step 1, pretreating a membrane electrode substrate: selecting nano TiO2Manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate by using a sodium hypochlorite solution, then carrying out ultrasonic cleaning by using a sodium hydroxide solution, and finally carrying out ultrasonic cleaning by using 85% ethanol and deionized water respectively;
step 2, preparing a catalyst coating: pouring the catalyst and the perfluorinated sulfonic acid solution into the mixed solvent, and performing ultrasonic dispersion for 5-10 min;
step 3, preparing catalyst slurry: weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and carrying out ultrasonic oscillation for 15min to obtain a mixed metal oxide coating; adding the catalyst coating obtained in the step (2) into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry;
step 4, sending the membrane electrode substrate prepared in the step 1 to an anode/cathode preparation area of a membrane electrode, coating a layer of catalyst slurry on the membrane electrode substrate, drying, and coating a layer of catalyst coating to prepare an anode catalyst layer of the membrane electrode;
step 5, drying the membrane electrode obtained in the step 4, transferring the membrane electrode to an anode/cathode preparation area, coating a layer of catalyst slurry on the membrane electrode, drying, and coating a layer of catalyst coating to prepare a cathode catalyst of the membrane electrode;
step 6, transferring the membrane electrode prepared in the step 5 to a CCD detection area, performing catalysis layer appearance detection and membrane electrode perforation detection on the membrane electrode by using CCD equipment, transferring to a drying area if the catalysis layer of the membrane electrode is detected to be qualified, and drying to obtain the membrane electrode for the solar cell; and if the apparent detection of the catalytic layer of the membrane electrode is unqualified, returning to the step 4 or the step 5 until the detection is qualified.
The invention is also characterized in that:
the step 1 specifically comprises the following steps: selecting nano TiO2And (2) manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate for 10min by using a 2.5-3% sodium hypochlorite solution, then carrying out ultrasonic cleaning on the membrane electrode substrate for 20min by using a 0.3% sodium hydroxide solution, and finally carrying out ultrasonic cleaning on the membrane electrode substrate for 30min by using 85% ethanol and deionized water respectively.
The concrete content of the step 3 is as follows: according to the mass ratio of 1.5: 2: 1: 2, weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and ultrasonically oscillating for 15min to obtain a mixed metal oxide coating; and adding the catalyst coating obtained in the step 2 into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
The organic solvent in the step 3 is ethylene glycol monoethyl ether.
In the step 3, the mixed metal oxide coating is prepared by mixing the following components in parts by volume: 2, adding the catalyst coating obtained in the step 2, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
And 4, when preparing the anode catalyst layer of the membrane electrode and the cathode catalyst of the membrane electrode in the step 5, coating a layer of catalyst slurry with the thickness of 5-10 mu m on the membrane electrode substrate, and coating a layer of catalyst coating with the thickness of 5-10 mu m after drying.
The invention has the beneficial effects that: the invention solves the problems that the membrane electrode production method in the prior art is generally troublesome to manufacture, long in manufacturing period, low in production efficiency, not beneficial to mass production, difficult to control the quality of the production process and easy to damage the membrane electrode in the production detection process.
Detailed Description
The invention relates to a production method of a membrane electrode for a solar cell, which comprises the following steps:
step 1, pretreating a membrane electrode substrate: selecting nano TiO2Manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate by using a sodium hypochlorite solution, then carrying out ultrasonic cleaning by using a sodium hydroxide solution, and finally carrying out ultrasonic cleaning by using 85% ethanol and deionized water respectively;
step 2, preparing a catalyst coating: pouring the catalyst and the perfluorinated sulfonic acid solution into the mixed solvent, and performing ultrasonic dispersion for 5-10 min;
step 3, preparing catalyst slurry: weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and carrying out ultrasonic oscillation for 15min to obtain a mixed metal oxide coating; adding the catalyst coating obtained in the step (2) into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry;
step 4, sending the membrane electrode substrate prepared in the step 1 to an anode/cathode preparation area of a membrane electrode, coating a layer of catalyst slurry on the membrane electrode substrate, drying, and coating a layer of catalyst coating to prepare an anode catalyst layer of the membrane electrode;
step 5, drying the membrane electrode obtained in the step 4, transferring the membrane electrode to an anode/cathode preparation area, coating a layer of catalyst slurry on the membrane electrode, drying, and coating a layer of catalyst coating to prepare a cathode catalyst of the membrane electrode;
step 6, transferring the membrane electrode prepared in the step 5 to a CCD detection area, performing catalysis layer appearance detection and membrane electrode perforation detection on the membrane electrode by using CCD equipment, transferring to a drying area if the catalysis layer of the membrane electrode is detected to be qualified, and drying to obtain the membrane electrode for the solar cell; and if the apparent detection of the catalytic layer of the membrane electrode is unqualified, returning to the step 4 or the step 5 until the detection is qualified.
The step 1 specifically comprises the following steps: selecting nano TiO2And (2) manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate for 10min by using a 2.5-3% sodium hypochlorite solution, then carrying out ultrasonic cleaning on the membrane electrode substrate for 20min by using a 0.3% sodium hydroxide solution, and finally carrying out ultrasonic cleaning on the membrane electrode substrate for 30min by using 85% ethanol and deionized water respectively.
The concrete content of the step 3 is as follows: according to the mass ratio of 1.5: 2: 1: 2, weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and ultrasonically oscillating for 15min to obtain a mixed metal oxide coating; and adding the catalyst coating obtained in the step 2 into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
The organic solvent in the step 3 is ethylene glycol monoethyl ether.
In the step 3, the mixed metal oxide coating is prepared by mixing the following components in parts by volume: 2, adding the catalyst coating obtained in the step 2, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
And 4, when preparing the anode catalyst layer of the membrane electrode and the cathode catalyst of the membrane electrode in the step 5, coating a layer of catalyst slurry with the thickness of 5-10 mu m on the membrane electrode substrate, and coating a layer of catalyst coating with the thickness of 5-10 mu m after drying.
The invention relates to a method for producing a membrane electrode for a solar cell, which has the advantages that: the invention solves the problems that the membrane electrode production method in the prior art is generally troublesome to manufacture, long in manufacturing period, low in production efficiency, not beneficial to mass production, difficult to control the quality of the production process and easy to damage the membrane electrode in the production detection process.
Claims (6)
1. A production method of a membrane electrode for a solar cell is characterized by comprising the following steps:
step 1, pretreating a membrane electrode substrate: selecting nano TiO2Manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate by using a sodium hypochlorite solution, then carrying out ultrasonic cleaning by using a sodium hydroxide solution, and finally carrying out ultrasonic cleaning by using 85% ethanol and deionized water respectively;
step 2, preparing a catalyst coating: pouring the catalyst and the perfluorinated sulfonic acid solution into the mixed solvent, and performing ultrasonic dispersion for 5-10 min;
step 3, preparing catalyst slurry: weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and carrying out ultrasonic oscillation for 15min to obtain a mixed metal oxide coating; adding the catalyst coating obtained in the step (2) into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry;
step 4, sending the membrane electrode substrate prepared in the step 1 to an anode/cathode preparation area of a membrane electrode, coating a layer of catalyst slurry on the membrane electrode substrate, drying, and coating a layer of catalyst coating to prepare an anode catalyst layer of the membrane electrode;
step 5, drying the membrane electrode obtained in the step 4, transferring the membrane electrode to an anode/cathode preparation area, coating a layer of catalyst slurry on the membrane electrode, drying, and coating a layer of catalyst coating to prepare a cathode catalyst of the membrane electrode;
step 6, transferring the membrane electrode prepared in the step 5 to a CCD detection area, performing catalysis layer appearance detection and membrane electrode perforation detection on the membrane electrode by using CCD equipment, transferring to a drying area if the catalysis layer of the membrane electrode is detected to be qualified, and drying to obtain the membrane electrode for the solar cell; and if the apparent detection of the catalytic layer of the membrane electrode is unqualified, returning to the step 4 or the step 5 until the detection is qualified.
2. The method for producing a membrane electrode for a solar cell according to claim 1, wherein the step 1 specifically comprises: selecting nano TiO2And (2) manufacturing a membrane electrode substrate, then carrying out ultrasonic cleaning on the membrane electrode substrate for 10min by using a 2.5-3% sodium hypochlorite solution, then carrying out ultrasonic cleaning on the membrane electrode substrate for 20min by using a 0.3% sodium hydroxide solution, and finally carrying out ultrasonic cleaning on the membrane electrode substrate for 30min by using 85% ethanol and deionized water respectively.
3. The method for producing a membrane electrode for a solar cell according to claim 1, wherein the step 3 comprises: according to the mass ratio of 1.5: 2: 1: 2, weighing NiFe-MMO, ZnFe-MMO, MgCr-MMO and CoCr-MMO mixed metal oxides, mixing and dispersing in an organic solvent, and ultrasonically oscillating for 15min to obtain a mixed metal oxide coating; and adding the catalyst coating obtained in the step 2 into the mixed metal oxide coating, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
4. A membrane electrode production method for solar cells according to claim 3, characterized in that the organic solvent in step 3 is ethylene glycol monoethyl ether.
5. The method for producing a membrane electrode assembly for a solar cell according to claim 1, wherein the ratio of the volume parts of the mixed metal oxide coating in the step 3 is 3: 2, adding the catalyst coating obtained in the step 2, and performing ultrasonic dispersion for 10min to obtain catalyst slurry.
6. The method for producing a membrane electrode for a solar cell according to claim 1, wherein, when preparing the anode catalyst layer of the membrane electrode and the cathode catalyst of the membrane electrode in the steps 4 and 5, a layer of catalyst slurry with a thickness of 5-10 μm is coated on the substrate of the membrane electrode, and a layer of catalyst coating with a thickness of 5-10 μm is coated after drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911286161.0A CN110993739A (en) | 2019-12-13 | 2019-12-13 | Production method of membrane electrode for solar cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911286161.0A CN110993739A (en) | 2019-12-13 | 2019-12-13 | Production method of membrane electrode for solar cell |
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