CN109585863B - A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell - Google Patents
A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell Download PDFInfo
- Publication number
- CN109585863B CN109585863B CN201811535983.3A CN201811535983A CN109585863B CN 109585863 B CN109585863 B CN 109585863B CN 201811535983 A CN201811535983 A CN 201811535983A CN 109585863 B CN109585863 B CN 109585863B
- Authority
- CN
- China
- Prior art keywords
- gas diffusion
- diffusion layer
- carbonized wood
- fuel cell
- exchange membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
- H01M4/8885—Sintering or firing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
本发明涉及燃料电池技术领域，尤其涉及一种质子交换膜燃料电池气体扩散层的制备方法。本发明提供的一种质子交换膜燃料电池气体扩散层的制备方法，包括将原木除去水分；将除去水分的原木进行第一碳化和第二碳化；将第二碳化后的碳化木修整；用无水乙醇溶液浸泡碳化木，并超声分散、干燥；用憎水剂乳液浸泡干燥完的碳化木；将处理后的碳化木置于管式炉中，在充氮环境下烧结憎水剂；将导电碳粉和憎水剂乳液加入到醇类溶剂中形成均匀的碳粉层浆料；将碳粉层浆料涂覆在经憎水处理的碳化木表面形成带有微孔层的基底；将基底烧结得到气体扩散层。本发明提供的的制备方法，解决了现有技术成本昂贵、电导率低以及应用范围不广的技术问题。
The invention relates to the technical field of fuel cells, in particular to a method for preparing a gas diffusion layer of a proton exchange membrane fuel cell. The present invention provides a method for preparing a gas diffusion layer of a proton exchange membrane fuel cell, comprising: removing moisture from logs; performing first carbonization and second carbonization on the logs from which moisture has been removed; trimming the carbonized wood after the second carbonization; Soak the carbonized wood in water ethanol solution, disperse and dry it ultrasonically; soak the dried carbonized wood with a water-repellent agent emulsion; place the treated carbonized wood in a tube furnace, and sinter the water-repellent agent in a nitrogen-filled environment; Toner and water repellent emulsion are added into alcohol solvent to form uniform toner layer slurry; the toner layer slurry is coated on the surface of the hydrophobic treated carbonized wood to form a substrate with a microporous layer; the substrate is Sintering to obtain a gas diffusion layer. The preparation method provided by the present invention solves the technical problems of high cost, low electrical conductivity and limited application range of the prior art.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a preparation method of a gas diffusion layer of a proton exchange membrane fuel cell.
Background
With the continuous depletion of fossil energy, the search for new alternative energy sources is imminent. The Proton Exchange Membrane Fuel Cell (PEMFC) has advantages of small system volume, high energy density, cleanness, no pollution, no need of complicated air supply and humidification system, etc., and thus has received attention from the industry. Proton Exchange Membrane Fuel Cell (PEMFC) core assembly (MEA) consists of gas diffusion layer, catalytic layer and proton exchange membrane. The Gas Diffusion Layer (GDL) is located between the catalytic layer and the flow field, and functions to support the catalytic layer and stabilize the electrode structure, and must have excellent air permeability and a function of removing moisture generated from the catalytic layer in time.
A typical gas diffusion layer generally includes a substrate layer made of a porous conductive medium material such as carbon fiber paper or carbon woven cloth, and a microporous layer made of carbon powder and hydrophobic Polytetrafluoroethylene (PTFE). Currently, gas diffusion layer substrates for domestic and foreign fuel cells include carbon fiber paper, carbon woven cloth, carbon fiber felt, and the like. And after hydrophobic and heat treatment is carried out on the substrate layer, a microporous layer is prepared on the surface of the substrate layer. At present, a substrate material commonly used for the gas diffusion layer is carbon fiber paper, however, the carbon fiber paper has the defect of mechanical brittleness, and failure modes such as fiber fracture, matrix cracking, fiber and matrix interface peeling and the like are easily caused under the conditions of cell assembly pressure, external collision, repeated disassembly and assembly and the like, so that the service life of the cell is influenced. Meanwhile, carbon paper suppliers mainly used in China are mainly the japan Dongli company, the german SGL technology company and the canadian barred company due to the high level of development of carbon fiber paper, the market is almost all occupied by foreign companies, and carbon paper is expensive and restricted.
Therefore, the expensive cost, low conductivity and limited application range of the gas diffusion layer in the prior art become technical problems to be solved by those skilled in the art.
Disclosure of Invention
The invention provides a preparation method of a gas diffusion layer of a proton exchange membrane fuel cell, which is used for solving the technical problems of high cost, low conductivity and wide application range of the gas diffusion layer in the prior art.
The invention provides a preparation method of a gas diffusion layer of a proton exchange membrane fuel cell, which comprises the following steps:
step 1: removing water from the log;
step 2: performing first carbonization on the log with water removed to obtain carbonized wood;
and step 3: subjecting the first carbonized wood to second carbonization;
and 4, step 4: trimming the carbonized wood after the second carbonization to 0.1-0.3 mm;
and 5: soaking the carbonized wood trimmed in the step 4 in absolute ethyl alcohol solution, and performing ultrasonic dispersion and drying
Step 6: soaking the carbonized wood dried in the step 5 in a water repellent emulsion;
and 7: placing the carbonized wood treated in the step 6 in a tubular furnace, and sintering a water repellent in a nitrogen-filled environment;
and 8: adding conductive carbon powder and the water repellent emulsion into an alcohol solvent, and performing ultrasonic dispersion to form uniform carbon powder layer slurry;
and step 9: uniformly coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment to form a substrate with a microporous layer;
step 10: and sintering the substrate with the microporous layer to obtain the gas diffusion layer of the proton exchange membrane fuel cell.
Preferably, the step 1 specifically comprises scraping and trimming bark on the periphery of the log, and drying at 50-75 deg.C for 12-24h to remove water from the log itself.
Preferably, the temperature of the first carbonization is 240-280 ℃ and the time is 8-12 hours.
Preferably, the temperature of the second carbonization is 800-.
Preferably, after the step 6, the step 7 further comprises: repeating the step 6 (1-5) times until the content of the loaded water repellent accounts for 10-30% of the total mass of the carbonized wood;
preferably, the sintering temperature in step 7 is 350-400 ℃.
Preferably, after the step 9, the step 10 is preceded by repeating the step 9(1-5) times until the loading of the carbon powder reaches 1-5mg/cm2。
Preferably, the concentration of the water repellent emulsion is 1-5%.
Preferably, the water repellent emulsion is one or two of polytetrafluoroethylene emulsion, polypropylene emulsion, polyvinylidene fluoride emulsion and ethylene-tetrafluoroethylene copolymer emulsion. A
Preferably, the conductive carbon powder is one or a mixture of more of Vulcan XC-72, acetylene Black, Black pearls, carbon nanotubes and graphene powder.
More preferably, the coating in step 10 is one or more of spraying, knife coating, brushing, and screen printing.
At present, carbon fiber paper is generally used as a commercially available gas diffusion layer substrate layer on the market, and the development level of the carbon fiber paper is higher. According to the gas diffusion layer prepared by the invention, the substrate layer adopts natural raw wood, and the excellent three-dimensional porous structure of the gas diffusion layer has great potential as the substrate layer of the gas diffusion layer. In addition, the raw wood belongs to renewable raw materials, the source is rich, and the processing of complicated operation steps is not needed, so the preparation method has low cost. Compared with the TGP-H-090 made of the Dongli carbon paper in Japan, the gas diffusion layer prepared by the embodiment of the invention has the advantages of excellent cell performance, small impedance, suitability for small or micro fuel cells and capability of realizing long-time stable operation. Because the invention adopts the log with a natural porous structure, the invention is beneficial to the moisture management of the fuel cell, and the invention can keep better performance in long-time operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a graph showing the performance of batteries according to examples 1 to 3 of the present invention;
FIG. 2 is a graph showing the performance of the batteries of example 2 of the present invention and comparative example 1;
FIG. 3 is an impedance diagram of example 2 of the present invention and comparative example 1.
Detailed Description
The embodiment of the invention provides a preparation method of a gas diffusion layer of a proton exchange membrane fuel cell, which is used for solving the technical problems of high cost, low conductivity and wide application range of the gas diffusion layer in the prior art.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Firstly, cutting a log into slices vertical to the growth direction of a tree, scraping and trimming the bark on the periphery of the log, and drying for 24 hours in a 50 ℃ oven; placing the dried log in a muffle furnace, and pre-carbonizing at 240 ℃ for 10 hours; placing the carbonized wood subjected to the pre-carbonization treatment in a tubular furnace, and carbonizing for 1 hour at 1000 ℃ in a nitrogen-filled environment; trimming carbonized wood to 0.3mm by using a cutting tool, soaking the carbonized wood in absolute ethyl alcohol, ultrasonically dispersing and cleaning residual carbon powder on the carbonized wood, drying in an oven and weighing; diluting the PTFE emulsion with the mass fraction of 60% by using deionized water to obtain a water repellent emulsion with the mass fraction of 5%; soaking the dried carbonized wood in 5 percent of PTFE emulsion in sequence, ultrasonically dispersing for 10 minutes, drying and weighing until the load of the PTFE emulsion accounts for 30 percent of the mass of the carbonized wood; placing the soaked carbonized wood in a tubular furnace in a nitrogen-filled environment, and sintering at 375 ℃ for 1 hour; measuring 5ml of absolute ethyl alcohol, adding 20mg of Vulcan XC-72 and 100mg of PTFE emulsion (5 wt%) into the absolute ethyl alcohol, and performing ultrasonic dispersion for 30 minutes to form uniform carbon powder layer slurry; coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment layer by layer in sequence, drying and weighing until the loading capacity of the carbon powder reaches 4mg/cm2(ii) a Finally the whole gas diffusion layer was sintered in a muffle furnace at 375 ℃ for 30 minutes.
Example 2
Firstly, cutting a log into slices vertical to the growth direction of a tree, scraping and trimming the bark on the periphery of the log, and drying for 24 hours in an oven at 50 ℃; placing the dried log in a muffle furnace, and pre-carbonizing at 240 ℃ for 10 hours; placing the carbonized wood subjected to the pre-carbonization treatment in a tubular furnace, and carbonizing for 1 hour at 1000 ℃ in a nitrogen-filled environment; trimming carbonized wood to 0.3mm by using a cutting tool, soaking the carbonized wood in absolute ethyl alcohol, ultrasonically dispersing and cleaning residual carbon powder on the carbonized wood, drying in an oven and weighing; diluting the PTFE emulsion with the mass fraction of 60% by using deionized water to obtain a water repellent emulsion with the mass fraction of 5%; soaking the dried carbonized wood in 5 percent of PTFE emulsion in sequence, ultrasonically dispersing for 10 minutes, drying and weighing until the load of the PTFE emulsion accounts for 20 percent of the mass of the carbonized wood; placing the soaked carbonized wood in a tubular furnace in a nitrogen-filled environment, and sintering at 375 ℃ for 1 hour; measuring 5ml of absolute ethyl alcohol, adding 20mg of Vulcan XC-72 and 100mg of PTFE emulsion (5 wt%) into the absolute ethyl alcohol, and performing ultrasonic dispersion for 30 minutes to form uniform carbon powder layer slurry; coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment layer by layer in sequence, drying and weighing until the loading capacity of the carbon powder reaches 4mg/cm2(ii) a Finally the whole gas diffusion layer was sintered in a muffle furnace at 375 ℃ for 30 minutes.
Example 3
Firstly, cutting a log into slices vertical to the growth direction of a tree, scraping and trimming the bark on the periphery of the log, and drying the log in an oven at 50 ℃ for 24 hours; placing the dried log in a muffle furnace, and pre-carbonizing for 10 hours at 240 ℃; placing the carbonized wood subjected to the pre-carbonization treatment in a tubular furnace, and carbonizing for 1 hour at 1000 ℃ in a nitrogen-filled environment; trimming carbonized wood to 0.3mm by using a cutting tool, soaking the carbonized wood in absolute ethyl alcohol, ultrasonically dispersing and cleaning residual carbon powder on the carbonized wood, drying in an oven and weighing; diluting the PTFE emulsion with the mass fraction of 60% by using deionized water to obtain a water repellent emulsion with the mass fraction of 5%; soaking the dried carbonized wood in 5% PTFE emulsion in turn, ultrasonically dispersing for 10 min, drying and weighing until the PTFE emulsion isThe loading amount accounts for 10% of the mass of the carbonized wood; placing the soaked carbonized wood in a tubular furnace in a nitrogen-filled environment, and sintering at 375 ℃ for 1 hour; measuring 5ml of absolute ethyl alcohol, adding 20mg of Vulcan XC-72 and 100mg of PTFE emulsion (5 wt%) into the absolute ethyl alcohol, and performing ultrasonic dispersion for 30 minutes to form uniform carbon powder layer slurry; coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment layer by layer in sequence, drying and weighing until the loading capacity of the carbon powder reaches 4mg/cm2(ii) a Finally the whole gas diffusion layer was sintered in a muffle furnace at 375 ℃ for 30 minutes.
Example 4
Firstly, cutting a log into slices vertical to the growth direction of a tree, scraping and trimming the bark on the periphery of the log, and drying for 24 hours in an oven at 50 ℃; placing the dried log in a muffle furnace, and pre-carbonizing for 8 hours at the temperature of 240 ℃; placing the carbonized wood subjected to the pre-carbonization treatment in a tubular furnace, and carbonizing for 1 hour at 1000 ℃ in a nitrogen-filled environment; trimming carbonized wood to 0.3mm by using a cutting tool, soaking the carbonized wood in absolute ethyl alcohol, ultrasonically dispersing and cleaning residual carbon powder on the carbonized wood, drying in an oven and weighing; soaking the dried carbonized wood in 5 percent of PVDF emulsion in sequence, ultrasonically dispersing for 10 minutes, drying and weighing until the load capacity of the PVDF emulsion accounts for 20 percent of the mass of the carbonized wood; placing the soaked carbonized wood in a tubular furnace in a nitrogen-filled environment, and sintering at 375 ℃ for 1 hour; measuring 5ml of absolute ethyl alcohol, adding 20mg of acetylene black and 100mg of PVDF emulsion (5 wt%) into the absolute ethyl alcohol, and performing ultrasonic dispersion for 30 minutes to form uniform carbon powder layer slurry; coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment layer by layer in sequence, drying and weighing until the loading capacity of the carbon powder reaches 5mg/cm2(ii) a Finally the whole gas diffusion layer was sintered in a muffle furnace at 375 ℃ for 30 minutes.
Example 5
Firstly, cutting a log into slices vertical to the growth direction of a tree, scraping and trimming the bark on the periphery of the log, and drying for 24 hours in an oven at 50 ℃; placing the dried log in a muffle furnace, and pre-carbonizing for 10 hours at 240 ℃; placing carbonized wood after pre-carbonization treatment in a tubular furnace, and charging nitrogen at 1000 deg.CCarbonizing for 2 hours; trimming carbonized wood to 0.3mm by using a cutting tool, soaking the carbonized wood in absolute ethyl alcohol, ultrasonically dispersing and cleaning residual carbon powder on the carbonized wood, drying in an oven and weighing; sequentially soaking the dried carbonized wood in 5% of PP emulsion, ultrasonically dispersing for 10 minutes, drying and weighing until the load of the PP emulsion accounts for 20% of the mass of the carbonized wood; placing the soaked carbonized wood in a tubular furnace in a nitrogen-filled environment, and sintering at 375 ℃ for 1 hour; measuring 5ml of absolute ethyl alcohol, adding 20mg of carbon nano tubes and 100mg of PP emulsion (5 wt%) into the absolute ethyl alcohol, and performing ultrasonic dispersion for 30 minutes to form uniform carbon powder layer slurry; coating the carbon powder layer slurry on one side of the surface of the carbonized wood subjected to hydrophobic treatment layer by layer in sequence, drying and weighing until the loading capacity of the carbon powder reaches 5mg/cm2(ii) a Finally, the whole gas diffusion layer was sintered in a muffle furnace at 375 ℃ for 30 min.
Comparative example 1
TGP-H-090, Dongli carbon paper, Japan.
The gas diffusion layers prepared in examples 1 to 3 were used as cathode gas diffusion layers and commercial gas diffusion layers as anode gas diffusion layers, and the tests were performed on CCM assembled batteries in which catalysts were sprayed on both surfaces of 212 membranes. Performing single cell polarization scanning on a membrane electrode prepared by adopting a carbonized wood gas diffusion layer, wherein the test conditions are as follows: the working temperature of the battery is normal temperature H2The flow rate is 80ml/min, no humidification is required, the anode adopts dead-end connection mode, the working area of the battery is 2.25cm2。
The test was conducted on CCM assembled cells in which example 2 and comparative example 1 were used as a cathode gas diffusion layer, a commercial gas diffusion layer was used as an anode gas diffusion layer, and both sides of 212 membranes were sprayed with a catalyst, respectively. And (3) carrying out impedance test, wherein the test conditions are as follows: the OCV is 0.8V, the test frequency is 0.1-100000 Hz, and the amplitude is 0.01V.
As can be seen from the cell performances of example 2 and comparative example 1, the gas diffusion layer prepared according to the present invention has superior cell performance, low resistance, applicability to small or micro fuel cells, and stable operation over a long period of time, as compared to TGP-H-090, a japanese dongli carbon paper, as shown in fig. 2 and 3. Because the invention adopts the log with a natural porous structure, the invention is beneficial to the moisture management of the fuel cell, and the invention can keep better performance in long-time operation.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535983.3A CN109585863B (en) | 2018-12-14 | 2018-12-14 | A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535983.3A CN109585863B (en) | 2018-12-14 | 2018-12-14 | A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109585863A CN109585863A (en) | 2019-04-05 |
| CN109585863B true CN109585863B (en) | 2021-08-13 |
Family
ID=65928709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535983.3A Active CN109585863B (en) | 2018-12-14 | 2018-12-14 | A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109585863B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085878A (en) * | 2019-05-09 | 2019-08-02 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of preparation method of used in proton exchange membrane fuel cell gas diffusion layers |
| CN111628181B (en) * | 2020-05-25 | 2021-07-23 | 常熟氢能源研究院有限公司 | Process for preparing gas diffusion layer for fuel cell by using wood as raw material |
| CN113130930B (en) * | 2021-04-19 | 2023-03-21 | 北京化工大学 | Gas diffusion layer material, electrode comprising same, preparation and application |
| CN115101771A (en) * | 2022-06-28 | 2022-09-23 | 广东德氢氢能科技有限责任公司 | Fuel cell gas diffusion layer, preparation method thereof and fuel cell membrane electrode |
| CN115036519B (en) * | 2022-07-04 | 2024-10-01 | 上海电气集团股份有限公司 | Fluorine doped porous carbon, microporous layer, gas diffusion layer, preparation method and application |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7713629B2 (en) * | 2004-03-26 | 2010-05-11 | Florida State University Research Foundation | Hydrophobic fluorinated polyelectrolyte complex films and associated methods |
| GB0902312D0 (en) * | 2009-02-12 | 2009-04-01 | Johnson Matthey Plc | Gas diffusion substrate |
| CN102936867B (en) * | 2012-11-14 | 2014-07-23 | 沈阳华天鑫碳纤维电热制品有限公司 | Preparation process of fuel cell electrode porous diffusion layer material carbon fiber paper |
| CN106299387B (en) * | 2016-10-13 | 2018-11-16 | 福州大学 | The method for preparing Proton Exchange Membrane Fuel Cells gas-diffusion electrode using stalk |
| CN107123822B (en) * | 2017-05-08 | 2019-07-19 | 中科院大连化学物理研究所张家港产业技术研究院有限公司 | A kind of preparation method of used in proton exchange membrane fuel cell gas diffusion layers |
-
2018
- 2018-12-14 CN CN201811535983.3A patent/CN109585863B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109585863A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109585863B (en) | A kind of preparation method of gas diffusion layer of proton exchange membrane fuel cell | |
| CN110148759B (en) | Preparation method of high-current-density-oriented proton exchange membrane fuel cell gas diffusion layer | |
| CN110504472B (en) | Direct methanol fuel cell membrane electrode for improving catalyst utilization rate and preparation method thereof | |
| TW398097B (en) | Gas diffusion electrodes based on poly (vinylidene fluoride) carbon blends | |
| CN110380063B (en) | Gas diffusion layer for proton exchange membrane fuel cell, preparation method of gas diffusion layer and proton exchange membrane fuel cell | |
| CN106784943A (en) | A kind of membrane electrode of fuel batter with proton exchange film of high power density and preparation method thereof | |
| CN103730667B (en) | A kind of manufacture method of air cathode of single-chamber microbial fuel cell | |
| CN101411016A (en) | Preparation of gas diffusion layer for fuel cell | |
| CN112820883B (en) | Microporous layer slurry, gas diffusion layer, fuel cell and preparation method | |
| CN107611452A (en) | A kind of preparation method of the membrane electrode containing three-dimensional hydrophobic cathode catalysis layer | |
| CN101557001A (en) | Fuel cell film electrode and preparation method thereof | |
| CN111584880B (en) | Low-platinum proton exchange membrane fuel cell membrane electrode and preparation method thereof | |
| KR100708732B1 (en) | Anode for fuel cell, manufacturing method thereof and fuel cell having same | |
| JP2002056851A (en) | Method of manufacturing gas diffusion electrode for polymer electrolyte fuel cell | |
| CN101350412A (en) | Gas diffusion layer for polymer electrolyte membrane fuel cell and preparation method thereof | |
| CN114361474A (en) | Gas diffusion electrode, preparation method thereof and fuel cell | |
| Tanuma et al. | Impact of gas diffusion layers (GDLs) on MEA performance in PEFCs | |
| CN116454335B (en) | Membrane electrode and preparation method and application thereof | |
| KR101769681B1 (en) | Catalyst electrode layer, membrane-electrode assembly, and fuel cell | |
| CN109075348B (en) | Method of manufacturing membrane electrode assembly, membrane electrode assembly manufactured thereby, and fuel cell including the same | |
| CN104064784A (en) | A method for improving the stability of proton exchange membrane fuel cells | |
| CN114256469B (en) | Gas diffusion layer for fuel cell, preparation method thereof and fuel cell | |
| KR101351392B1 (en) | Electrode for fuel cell, and membrane-electrode assembly and fuel cell system including the same | |
| TWI398982B (en) | Modified carbonized substrate and its manufacturing method and use | |
| KR100761523B1 (en) | Carbon Slurry Composition for Gas Diffusion Layer for Fuel Cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240808 Address after: Building 21, Chuangzhi, No. 63 Chuangqi Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Huahydrogen Haoneng (Guangdong) New Energy Co.,Ltd. Country or region after: China Address before: No.729, Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510060 Patentee before: GUANGDONG University OF TECHNOLOGY Country or region before: China |