CN109524674A - The method for promoting fuel cell membrane electrode cathode catalysis layer performance - Google Patents
The method for promoting fuel cell membrane electrode cathode catalysis layer performance Download PDFInfo
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- CN109524674A CN109524674A CN201710847077.6A CN201710847077A CN109524674A CN 109524674 A CN109524674 A CN 109524674A CN 201710847077 A CN201710847077 A CN 201710847077A CN 109524674 A CN109524674 A CN 109524674A
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- cathode catalysis
- catalysis layer
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- 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
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8668—Binders
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- 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
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- 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
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- 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
Abstract
Present invention discloses a kind of preparation methods for promoting fuel battery cathode with proton exchange film catalytic performance, and the cathode catalysis layer includes: platinum carbon catalyst, hydrophilic agglomerant, hydrophobic binder, conductive carbon particles.By adding a certain proportion of hydrophobic binder in cathode catalysis layer, it can effectively improve the water management properties of cathode catalysis layer, promote the discharge of cathode catalysis layer internal water.Meanwhile incorporation helps to improve the porosity and electric conductivity of cathode catalysis layer through the conductive carbon particles of acid processing, reduces concentration polarization.The cathode catalysis layer preparation method proposed by the present invention for promoting fuel battery cathode with proton exchange film catalytic performance, it is unstable fuel battery performance caused by cathode catalysis layer water logging can greatly to be alleviated, reactant is promoted to the efficiency transmitted inside Catalytic Layer, improves fuel battery performance.
Description
Technical field
The invention belongs to field of fuel cell technology, are related to a proton exchanging film fuel battery more particularly to a kind of use
In the membrane electrode of proton exchange film fuel cell electric piling.
Background technique
Proton Exchange Membrane Fuel Cells is a kind of energy conversion device, the chemical energy of hydrogen directly can be converted into electricity
Can, no Carnot cycle limitation.Have many advantages, such as high-energy density, energy conversion efficiency, environment friendly and pollution-free, is widely used in army
The fields such as work, aviation, civilian traffic.
Proton Exchange Membrane Fuel Cells is made of anode flow field board, membrane electrode, cathode flow field plate.And membrane electrode is then by anode
Gas diffusion layers, anode catalyst layer, proton exchange membrane, cathode catalysis layer, cathode gas diffusion layer composition.Hydrogen is in membrane electrode
Oxidation reaction occurs for anode catalyst layer side, loses electronics and becomes proton, electronics is transferred to the cathode catalysis of membrane electrode through external circuit
Layer side, proton are transferred in cathode catalysis layer by the proton exchange membrane of membrane electrode.Oxygen is in the cathode catalysis layer side of membrane electrode
It obtains the electronics transmitted through external circuit and reduction reaction occurs, water is generated in conjunction with the proton passed over from anode.Film electricity
The cathode catalysis layer catalytic performance of pole is the principal element for influencing fuel battery performance.The method for improving cathode catalysis performance mentions
High catalyst catalytic activity improves cathode catalysis layer porosity, improves the managerial energy of cathode catalysis layer hydro-thermal.
Summary of the invention
The technical problems to be solved by the present invention are: improving urging for membrane electrode of fuel batter with proton exchange film cathode catalysis layer
Change performance, the ability that enhancing cathode catalysis layer water resistant is flooded improves fuel battery performance, improves pile energy density.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of cathode catalysis layer promoting fuel cell membrane electrode performance, the cathode catalysis layer includes: platinum carbon catalyst, hydrophilic
Property binder, hydrophobic binder, conductive carbon particles；
The conductive carbon particles have the size bigger than platinum carbon catalyst, and it is 15- that multi-walled carbon nanotube, which selects diameter,
30nm, length are the carbon nanotube of 1um-20um.
The conductive carbon particles need to carry out sour processing before being added in catalyst pulp；
The conductive carbon particles are added to cathod catalyst slurry in the ratio of cathode catalysis layer solid content gross mass 5%-15%
In material；
The conductive carbon particles can be carbon nanotube, carbon nanohorn, carbon nano-fiber, graphite powder etc.；
The conductive carbon particles are first mixed with catalyst, then add hydrophilic agglomerant, hydrophobic binder, then plus
Enter solvent progress ultrasonic disperse or ball milling obtains evenly dispersed catalyst pulp；
The cathode platinum carbon catalyst needs in an inert atmosphere before being added in cathode inks in 200oC with
Upper roasting 0.5 hour or more, to remove the acidic functionality on catalyst carbon support surface.
A kind of cathode catalysis layer for membrane electrode of fuel batter with proton exchange film, which is characterized in that the cathode catalysis
Layer includes: platinum carbon catalyst, hydrophilic agglomerant, hydrophobic binder, conductive carbon particles, the conductive carbon particles size
Greater than platinum carbon catalyst.
As a preferred solution of the present invention, a kind of conductive carbon particles are added in the anode catalyst layer.
As a preferred solution of the present invention, the anode catalyst layer and cathode catalysis layer add a kind of electric conductivity simultaneously
Carbon particle.
As a preferred solution of the present invention, the cathode catalysis layer adds two or more conductive carbon simultaneously
Particle.
As a preferred solution of the present invention, the cathode catalysis layer is divided into two layers, the catalysis of nearly proton exchange membrane side
Layer addition conductive carbon particles, and the Catalytic Layer of nearly gas diffusion layers does not add conductive carbon particles.
Reduction reaction place of the cathode catalysis layer as fuel cell half-reaction, the oxygen in air are diffused by concentration difference
Enter the electronics for obtaining transmitting through external circuit on active catalyst sites into cathode catalysis layer, then was transmitted with from anode
The proton come, which combines, generates water.Chemical reaction in Catalytic Layer occurs in solid-liquid-gas three phase area, and threephase region is provided simultaneously with electronics biography
Defeated channel, proton transmitting channel, gas delivery passage.Increased by increasing big partial size conductive particle electron propagation ducts and
Gas delivery passage.
The Catalytic Layer preparation method of mainstream includes the modes such as silk-screen, blade coating, spraying at present, by the way of silk-screen and blade coating
It is conducive to provide production efficiency, but the Catalytic Layer prepared is also more close simultaneously, porosity is lower.The system by the way of spraying
Standby Catalytic Layer is of a relatively loose porous, but spray efficiency is comparatively low, is unfavorable for improving throughput rate.
To make Catalytic Layer loose porous, when generalling use the reciprocating manner of coating, drying, re-coating, but causing coating
Between increase, production efficiency reduce.
By the way of adding pore creating material in Catalytic Layer, remaining inorganic ions can occupy sulphur after usual pore creating material thermal decomposition
The position of proton on acid groups needs to carry out to clean residual inorganic ions, causes that process is tedious.
Catalytic Layer transverse conductance ability can be improved using graphene is added in Catalytic Layer, to offer porosity without help.
By way of increasing big partial size conductive particle, it can not only increase the conductive capability of Catalytic Layer, can also increase
Add the porosity of Catalytic Layer.By carrying out sour processing to conductive carbon particles, hydrophilic agglomerant can be reduced to conductive carbon
Conducting position and pore channel are more arrived in the cladding of grain, exposure.
The beneficial effects of the present invention are: it is proposed by the present invention for providing the cathode catalysis of fuel cell membrane electrode performance
Layer, the platinum carbon catalyst by inert atmosphere heat treatment have with binder more affinity, help to improve the packet of binder
It covers rate and increases number of active sites.Be conducive to enhance cathode catalysis layer using hydrophilic agglomerant and hydrophobic binder simultaneously
Water management properties.Conductive carbon particles surface through peracid treatment forms a large amount of acidic-group and is not coated by binder, passes through
Conductive carbon particles connect catalyst granules each inside Catalytic Layer to form conductive path, can dramatically increase in cathode catalysis layer
Portion's active site quantity.The cathode catalysis layer can be realized increase energy density, improve energy conversion efficiency and Performance data；Have
Help improve the gas transport ability inside membrane electrode catalytic layer, the excessive water that guidance cathode generates is permeated to anode improves film electricity
Pole itself water management capabilities.It is big that the present invention helps to solve Catalytic Layer internal gas diffusional resistance, substance under conditions of high current
The problem of transmitting not in time reduces concentration polarization.Compared with the design of existing membrane electrode, this method helps to improve Performance data,
Gas backpressure is reduced, pile energy density is improved.
Since in high current, reactant diffusion rate is not caught up with traditional fuel cell membrane electrode cathode catalysis layer
Reactant consumption rate is easy to happen concentration polarization etc., exports under causing carrying current small and high current unstable etc..
In contrast, cathode can be improved by the conductive carbon particles of addition in the cathode catalysis layer in the content of present invention
It is catalyzed layer porosity and improves water water management capabilities.Reaction gas can be uniformly distributed to inside Catalytic Layer, help to mention
High fuel cell pile efficiency and raising power density.The dosage of Catalytic Layer platinum catalyst can be reduced, greatly reduction pile
Cost.
Detailed description of the invention
Fig. 1 is undoped cathode catalysis schematic diagram of a layer structure.
Fig. 2 is the cathode catalysis schematic diagram of a layer structure of doped carbon nanometer pipe.
Fig. 3 is that doped carbon nanometer pipe nearly gas diffusion layers side in nearly proton exchange membrane side undopes the cathode of carbon nanotube
Catalyst layer structure schematic diagram
Fig. 4 is the cathode catalysis schematic diagram of a layer structure for adulterating carbon nanohorn.
Fig. 5 is the Catalytic Layer for adulterating acid treated conductive carbon particles and the Catalytic Layer undoped with conductive carbon particles
It can compare.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 2, present invention discloses a kind of cathode catalysis layer for promoting membrane electrode performance, the cathode catalysis layer includes:
Platinum carbon catalyst, hydrophilic agglomerant, hydrophobic binder, carbon nanotube, the cathode catalysis layer add carbon nanotube to mention
High cathode catalysis layer gas transport ability and enhancing Catalytic Layer water management capabilities.
In Fig. 2, carbon nanotube 4 and platinum carbon catalyst 1 are distributed in yin by hydrophobic binder 2 and hydrophilic agglomerant 3
Pole Catalytic Layer.Reaction gas, which can be diffused into inside Catalytic Layer by the loose duct of carbon nanotube architecture, participates in reaction.Preparation
Process is as follows: carbon nanotube is in 10% nitric acid solution in 70oFiltration washing is clean after handling 0.5h hours in C environment, true
It is dried in empty drying box.Platinum carbon catalyst needs in an inert atmosphere before being added in cathode inks in 200oC with
Upper roasting 0.5 hour or more, to remove the acidic functionality on catalyst carbon support surface.Platinum carbon is added in the ratio of 2.5:1 to urge
Agent and binder, wherein hydrophobic binder and the ratio of hydrophilic agglomerant are 0.6.By acid treated carbon nanotube
It is added in cathode catalytic mixture in the ratio of cathode catalysis layer solid content gross mass 15%.Water, propylene glycol, acetic acid is added
Ultrasonic disperse is carried out afterwards or ball milling obtains evenly dispersed catalyst pulp, then is coated to by way of ultrasound spraying or blade coating
Proton exchange membrane side obtains cathode catalysis layer.
Embodiment two
Referring to Fig. 3, the cathode catalysis layer includes: platinum carbon catalyst, hydrophily present invention discloses a kind of cathode catalysis layer
Binder, hydrophobic binder, carbon nanotube, the cathode catalysis layer addition carbon nanotube pass to improve cathode catalysis layer gas
Movement Capabilities and enhancing Catalytic Layer water management capabilities.
In Fig. 3, carbon nanotube 4, platinum carbon catalyst 1a are distributed in by hydrophobic binder 2a and hydrophilic agglomerant 3a
The nearly proton exchange membrane side of cathode catalysis layer.Platinum carbon catalyst 1a is distributed by hydrophobic binder 2a and hydrophilic agglomerant 3a
In the nearly gas diffusion layers side of cathode catalysis layer.Reaction gas can be diffused into internal layer by the loose duct of carbon nanotube architecture
Catalyst on participate in reaction.
Preparation process is as follows: carbon nanotube is in 10% nitric acid solution in 70oIt is filtered after being handled 0.5h hours in C environment
Washes clean is dried in a vacuum drying oven.By platinum carbon catalyst in an inert atmosphere in 200o0.5 hour baked above of C with
On, to remove the acidic functionality on catalyst carbon support surface.Platinum carbon catalyst and binder is added in the ratio of 2.5:1,
Middle hydrophobic binder and the ratio of hydrophilic agglomerant are 0.6.Acid treated carbon nanotube is consolidated by cathode catalysis layer
The ratio of content gross mass 15% is added in cathode catalytic mixture.Ultrasonic disperse is carried out after water, propylene glycol, acetic acid is added
Or ball milling obtains evenly dispersed catalyst pulp, which is divided into two parts, a portion slurry, which is added, to be passed through
The carbon nanotube of acid processing.After ultrasonic disperse obtains uniform sizing material, carbon will be first mixed with by way of ultrasound spraying or blade coating
The slurry of nanotube is coated to proton exchange membrane side and obtains cathode catalysis layer, then another part slurry is coated to above-mentioned urge
Change above layer.
Embodiment three
Fig. 4 discloses a kind of cathode catalysis layer, and the cathode catalysis layer includes: platinum carbon catalyst, hydrophilic agglomerant, hydrophobicity
Binder, carbon nanohorn, the cathode catalysis layer add carbon nanotube to improve cathode catalysis layer gas transport ability and enhancing
Catalytic Layer water management capabilities.
In Fig. 4, carbon nanohorn 5, platinum carbon catalyst 1b are distributed in by hydrophobic binder 2b and hydrophilic agglomerant 3b
Cathode catalysis layer.Preparation process is as follows: carbon nanohorn is in 10% nitric acid solution in 70oMistake after being handled 0.5h hours in C environment
Filter washing is clean, dries in a vacuum drying oven.Acid treated carbon nanohorn presses cathode catalysis layer solid content gross mass 12%
Ratio be added in cathode catalytic mixture.Platinum carbon catalyst needs before being added in cathode inks lazy
In 200 in property atmosphereoC 0.5 hour baked above or more, to remove the acidic functionality on catalyst carbon support surface.By 2.5:1
Ratio platinum carbon catalyst and binder is added, wherein hydrophobic binder and the ratio of hydrophilic agglomerant are 0.6.It is added
Ultrasonic disperse is carried out after water, propylene glycol, acetic acid or ball milling obtains evenly dispersed catalyst pulp, then by ultrasound spraying or is scraped
The mode of painting is coated to proton exchange membrane side and obtains cathode catalysis layer.
In conclusion proposed by the present invention for improving membrane electrode of fuel batter with proton exchange film cathode catalysis layer performance
Method can be realized the electron propagation ducts and gas delivery passage for improving cathode catalysis layer, to improve energy conversion efficiency
With fuel cell pile performance.The present invention helps to solve fuel cell membrane electrode cathode catalysis layer reaction gas under high current
Difficult, the big problem of water management difficulty is spread inside to Catalytic Layer.Compared with existing membrane electrode preparation method, this method facilitates
Fuel cell pile performance is improved, film fuel cell electric piling reaction gas backpressure requirements are reduced, it is close to improve fuel cell pile energy
Degree reduces fuel cell pile cost, helps the rapid business for realizing fuel cell pile.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, the realities for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (6)
1. a kind of cathode catalysis layer for proton exchange film fuel cell electric piling, which is characterized in that the cathode catalysis layer packet
It includes: platinum carbon catalyst, hydrophilic agglomerant, hydrophobic binder, conductive carbon particles；
The cathode catalysis layer is added with quantitative hydrophilic agglomerant, and the effect of hydrophilic agglomerant is to improve cathode catalysis layer
Proton transfer ability reduces proton transfer resistance；
The cathode catalysis layer is added with quantitative hydrophobic binder, and the effect of hydrophobic binder is to improve cathode catalysis layer
Water management capabilities are catalyzed the discharge of Catalytic Layer interior liquid water；
The hydrophilic agglomerant and hydrophobic binder ratio are 0.1-0.7；
The cathode catalysis layer is added with quantitative conductive carbon particles, the offer cathode catalysis layer of the effect of conductive carbon particles
Voidage and reduce Catalytic Layer longitudinal electrical resistance.
2. the conductive carbon particles of cathode catalysis layer addition do pre- place before being added to cathode catalysis layer according to claim 1
Reason, preprocess method are as follows: conductive carbon particles are added in nitric acid solution in 60-70oIt is handled 4-7 hours in C reaction kettle；
The conductive carbon particles size be greater than platinum carbon catalyst, the conductive carbon particles can be carbon nanotube, carbon nanohorn,
Carbon nano-fiber, acetylene black etc.；
The conductive carbon particles are added in catalyst pulp in 0.5% ~ 20% ratio of catalyst and binder gross mass
It is applied to Surface modification of proton exchange membrane after mixing.
3. catalyst pulp according to claim 1 is by bonding platinum carbon catalyst, hydrophilic agglomerant, hydrophobicity
Uniform sizing material is obtained by the way of ultrasonic disperse after agent, solvent, conductive carbon particles mixing, or is obtained by the way of ball milling
Obtain uniform sizing material；
The platinum carbon catalyst accounts for the 50% ~ 80% of cathode catalysis layer solid total material content；
The platinum mass percent of the platinum carbon catalyst is 20 ~ 60%.
4. hydrophilic agglomerant according to claim 1 as long as it can be used for fuel-cell electrolyte without particular/special requirement, such as
Nafion(E.I.Du Pont Company manufacture), Flemion(Asahi Glass company manufacture) or ACIPLEX(Asahi Kasei Corporation manufacture) etc. perfluors sulphur
Sour ionomer, the hydrophobic binder are the hydrophobic polymers lotions such as PTFE, PVDF or FEP.
5. the platinum carbon catalyst is pre-processed in being added to catalyst pulp according to claim 1, pre-process
Method is by platinum carbon catalyst in 200oIt is roasted 0.5-3 hours in C or more inert atmosphere, to remove catalyst carbon support surface
Acidic functionality.
6. catalyst pulp according to claim 3, using water, propylene glycol and acetic acid as solvent, water and ethyl alcohol conduct
The dispersing agent of ionomer, acetic acid are used to improve the dispersibility of platinum carbon catalyst.
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| CN110739475A (en) * | 2019-11-28 | 2020-01-31 | 上海交通大学 | film electrode with ultra-low oxygen mass transfer resistance |
| CN113328102A (en) * | 2021-06-28 | 2021-08-31 | 三一汽车制造有限公司 | Electrode, battery and vehicle |
| CN113745612A (en) * | 2021-07-30 | 2021-12-03 | 上海唐锋能源科技有限公司 | Membrane electrode with high-efficiency proton transmission network and preparation method thereof |
| CN113745551A (en) * | 2021-08-13 | 2021-12-03 | 国家电投集团氢能科技发展有限公司 | Anode catalyst layer slurry and preparation method thereof |
| CN114447347A (en) * | 2022-01-25 | 2022-05-06 | 清氢(北京)科技有限公司 | Fuel cell membrane electrode with low platinum loading capacity and mass production and preparation method thereof |
| CN115000422A (en) * | 2022-04-22 | 2022-09-02 | 中国科学院大连化学物理研究所 | Porous catalyst layer of fuel cell and preparation method thereof |
| CN115064715A (en) * | 2022-06-28 | 2022-09-16 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM (continuous current mode) and preparation method thereof, membrane electrode assembly MEA (membrane electrode assembly) and fuel cell |
| CN115064710A (en) * | 2022-06-28 | 2022-09-16 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM and preparation method thereof, membrane electrode assembly MEA and fuel cell |
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| CN113328102A (en) * | 2021-06-28 | 2021-08-31 | 三一汽车制造有限公司 | Electrode, battery and vehicle |
| CN113745612A (en) * | 2021-07-30 | 2021-12-03 | 上海唐锋能源科技有限公司 | Membrane electrode with high-efficiency proton transmission network and preparation method thereof |
| CN113745551A (en) * | 2021-08-13 | 2021-12-03 | 国家电投集团氢能科技发展有限公司 | Anode catalyst layer slurry and preparation method thereof |
| CN114447347B (en) * | 2022-01-25 | 2023-12-08 | 清氢(北京)科技有限公司 | Fuel cell membrane electrode with low platinum loading and mass production and preparation method thereof |
| CN114447347A (en) * | 2022-01-25 | 2022-05-06 | 清氢(北京)科技有限公司 | Fuel cell membrane electrode with low platinum loading capacity and mass production and preparation method thereof |
| CN115000422A (en) * | 2022-04-22 | 2022-09-02 | 中国科学院大连化学物理研究所 | Porous catalyst layer of fuel cell and preparation method thereof |
| CN115000422B (en) * | 2022-04-22 | 2023-11-10 | 中国科学院大连化学物理研究所 | Porous catalytic layer of fuel cell and preparation method thereof |
| CN115064710A (en) * | 2022-06-28 | 2022-09-16 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM and preparation method thereof, membrane electrode assembly MEA and fuel cell |
| CN115064715B (en) * | 2022-06-28 | 2023-10-27 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM and preparation method thereof, membrane electrode assembly MEA and fuel cell |
| CN115064710B (en) * | 2022-06-28 | 2023-10-27 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM, preparation method thereof, membrane electrode assembly MEA and fuel cell |
| CN115064715A (en) * | 2022-06-28 | 2022-09-16 | 浙江锋源氢能科技有限公司 | Membrane electrode CCM (continuous current mode) and preparation method thereof, membrane electrode assembly MEA (membrane electrode assembly) and fuel cell |
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