CN106876743B - A kind of fuel battery gas diffusion layer structure - Google Patents
A kind of fuel battery gas diffusion layer structure Download PDFInfo
- Publication number
- CN106876743B CN106876743B CN201710156824.1A CN201710156824A CN106876743B CN 106876743 B CN106876743 B CN 106876743B CN 201710156824 A CN201710156824 A CN 201710156824A CN 106876743 B CN106876743 B CN 106876743B
- Authority
- CN
- China
- Prior art keywords
- gas diffusion
- fuel battery
- diffusion layer
- layer structure
- copper
- 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
- 238000009792 diffusion process Methods 0.000 title claims abstract description 30
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 13
- 239000010439 graphite Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 24
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 21
- 229920000914 Metallic fiber Polymers 0.000 claims description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000012071 phase Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000007790 solid phase Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 230000003197 catalytic effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0226—Composites in the form of mixtures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Inert Electrodes (AREA)
Abstract
The invention discloses a kind of fuel battery gas diffusion layer structures, with a thickness of 3.0~5.0mm, including a basal layer and a microporous layers, the side of basal layer has gas flow, the other side is connected with microporous layers, and the material of basal layer is metal fiber felt, has copper-graphite alkene complex phase film in microporous layers.Fuel battery gas diffusion layer structure of the invention compared with prior art, has high mechanical strength, drainage, gas permeability, the advantages such as contact resistance is low.
Description
Technical field
The invention belongs to field of fuel cell technology, and in particular to a kind of fuel battery gas diffusion layer structure.
Background technique
Proton Exchange Membrane Fuel Cells is ground as various countries in recent years as a kind of efficient, environmentally friendly power generator
Study carefully the hot spot of exploitation.Its core component membrane electrode three-in-one (MEA) is usually led to by gas diffusion layers, Catalytic Layer and proton exchange membrane
Heat pressing process is crossed to be prepared.Gas diffusion layers are made of conductive porous material, play support Catalytic Layer, collected current, biography
The multiple actions such as conductive gas and discharge water, realize the reallocation of reaction gas and product water between flow field and Catalytic Layer, are
Influence one of the critical component of electrode performance.Ideal gas diffusion layers should meet 3 conditions: good drainage, good
Gas permeability and good electric conductivity.
Gas diffusion layers are usually made of basal layer and microporous layers.Basal layer is thick usually using porous carbon paper, carbon cloth
About 100-400 μm of degree, it mainly plays a part of to support microporous layers and Catalytic Layer.Microporous layers are typically to improvement basal layer
Pore structure and its surface production one layer of carbon dust layer, thickness is about 10-100 μm, usually will be after the smooth processing of basal layer
On its surface by the preparation of the techniques such as silk-screen, blade coating, coating, sputtering, main function is reduced between Catalytic Layer and basal layer
Contact resistance, so that gas and water is reallocated, prevent electrode catalyst layer " water logging ", while preventing Catalytic Layer in preparation process
In leak into basal layer.In addition, metal mesh be used as gas diffusion layers base material research also have been reported, but its use it is smooth
Wire production metal mesh makes the contact of basal layer and microporous layers poor, the too high in resistance of gas diffusion layers.Gas diffusion
Channel is served as by the duct of the hydrophobicity by hydrophobic processing, and polytetrafluoroethylene (PTFE) (PTFE) is common hydrophober, and without
Serve as the transmission channels of product water in the hydrophilic duct of hydrophobic processing.The gas diffusion layers of this method preparation are higher due to price
And technology is mostly monopolized by foreign countries, and internal fuel cell gas diffusion layer industrial application is caused to be made slow progress.
Summary of the invention
It is an object of the invention to overcome prior art defect, a kind of fuel battery gas diffusion layer structure is provided.
Technical scheme is as follows:
A kind of fuel battery gas diffusion layer structure, with a thickness of 3.0~5.0mm, including a basal layer and a microporous layers, base
The side of bottom has gas flow, and the other side is connected with microporous layers, and the material of basal layer is metal fiber felt, has in microporous layers
There is copper-graphite alkene complex phase film；Preparation method includes the following steps:
(1) cutting prepares metallic fiber, which is filled into mold, and Low Temperature Solid-Phase sintering process is used after pressurization
Preparation forms metal fiber felt；
(2) above-mentioned metal fiber felt is immersed after molten state polytetrafluoroethylene (PTFE) and takes out cooled to room temperature formation metal fibre
Felt-ptfe composite is tieed up, then gas flow is milled out in one side under the protection of polytetrafluoroethylene (PTFE), then exists
Hydrophobicity processing is completed while partially removing polytetrafluoroethylene (PTFE) under vacuum high-temperature sintering, obtains the base that side has gas flow
Bottom；
(3) by the other side of above-mentioned basal layer immerse temperature be carried out in 45~55 DEG C of copper plating baths Electroless copper 25~
35min is then cleaned by ultrasonic in ethyl alcohol, is then immersed in the graphene dispersing solution that concentration is 0.1~0.4wt% and precipitates graphite
Alkene 25~35min of piece obtains copper-graphite alkene complex phase film；
(4) step (3) are repeated until obtaining the copper-graphite alkene complex phase film of specified thickness, the microporous layers is made.
In a preferred embodiment of the invention, the microporous layers with a thickness of 0.05~0.15mm.
In a preferred embodiment of the invention, the depth of the gas flow is 2.5~3.0mm.
In a preferred embodiment of the invention, the equivalent diameter of the metallic fiber is 0.01~0.03mm.
In a preferred embodiment of the invention, the length of the metallic fiber is 10~15mm.
In a preferred embodiment of the invention, the Low Temperature Solid-Phase sintering process specifically: be lower than the metal
Vacuum-sintering is carried out to the metallic fiber after pressurization at a temperature of 30~50 DEG C of fusing point of fiber, by violent in metallic fiber
Molecule diffusion motion connected with periphery material.
In a preferred embodiment of the invention, the partial size of the copper particle obtained in the Electroless copper is about
0.03~0.07mm.
In a preferred embodiment of the invention, the graphene film thickness is about 0.02~0.05mm.
Beneficial effects of the present invention: fuel battery gas diffusion layer structure of the invention compared with prior art, has machine
The advantages such as tool intensity is high, drainage, gas permeability, and contact resistance is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fuel battery gas diffusion layer structure of the embodiment of the present invention 1.
Fig. 2 is the stereoscan photograph of the metallic fiber in the embodiment of the present invention 1.
Fig. 3 is the outside drawing of the metal fiber felt in the embodiment of the present invention 1.
Specific embodiment
Technical solution of the present invention is further explained and described below by way of specific embodiment combination attached drawing.
Embodiment 1:
As shown in Figure 1, a kind of fuel battery gas diffusion layer structure, with a thickness of 3.0~5.0mm, including 1 He of a basal layer
One with a thickness of 0.05~0.15mm microporous layers 2, it is the gas flow 11 of 2.5~3.0mm that the side of basal layer 1, which has depth,
The other side is connected with microporous layers 2, and the material of basal layer 1 is metal fiber felt, has copper-graphite alkene complex phase film in microporous layers 2；Its
Preparation method includes the following steps:
(1) cutting prepares metallic fiber, which is filled to 40.00mm × 30.00mm × 4.35mm rectangle
It in mold, prepares to form metal fiber felt as shown in Figure 3 using Low Temperature Solid-Phase sintering process after pressurization, above-mentioned metallic fiber is as schemed
Shown in 2, equivalent diameter is 0.01~0.03mm, and length is 10~15mm；The Low Temperature Solid-Phase sintering process specifically: be lower than
Vacuum-sintering is carried out to the metallic fiber after pressurization at a temperature of 30~50 DEG C of fusing point of the metallic fiber, passes through metallic fiber
In violent molecule diffusion motion connected with periphery material；
(2) above-mentioned metal fiber felt is immersed after molten state polytetrafluoroethylene (PTFE) and takes out cooled to room temperature formation metal fibre
Felt-ptfe composite is tieed up, then gas flow is milled out in one side under the protection of polytetrafluoroethylene (PTFE), then exists
Hydrophobicity processing is completed while partially removing polytetrafluoroethylene (PTFE) under vacuum high-temperature sintering, obtains the base that side has gas flow
Bottom；
(3) by the other side of above-mentioned basal layer immerse temperature be carried out in 45~55 DEG C of copper plating baths Electroless copper 25~
35min is then cleaned by ultrasonic in ethyl alcohol, is then immersed in the graphene dispersing solution that concentration is 0.1~0.4wt% and precipitates graphite
Alkene 25~35min of piece obtains copper-graphite alkene complex phase film；The partial size of the copper particle obtained in above-mentioned Electroless copper is about
0.03~0.07mm, above-mentioned graphene film with a thickness of 0.02~0.05mm；
(4) step (3) are repeated until obtaining the copper-graphite alkene complex phase film of specified thickness, the microporous layers is made.
The foregoing is only a preferred embodiment of the present invention, the range that the present invention that therefore, it cannot be limited according to is implemented, i.e.,
Equivalent changes and modifications made in accordance with the scope of the invention and the contents of the specification should still be within the scope of the present invention.
Claims (8)
1. a kind of fuel battery gas diffusion layer structure, it is characterised in that: with a thickness of 3.0~5.0mm, including a basal layer and one
The side of microporous layers, basal layer has gas flow, and the other side is connected with microporous layers, and the material of basal layer is metal fiber felt,
There is copper-graphite alkene complex phase film in microporous layers；Preparation method includes the following steps:
(1) cutting prepares metallic fiber, which is filled into mold, is prepared after pressurization using Low Temperature Solid-Phase sintering process
Form metal fiber felt；
(2) above-mentioned metal fiber felt is immersed after molten state polytetrafluoroethylene (PTFE) and takes out cooled to room temperature formation metallic fiber
Felt-ptfe composite then mills out gas flow in one side under the protection of polytetrafluoroethylene (PTFE), then true
Hydrophobicity processing is completed while partially removing polytetrafluoroethylene (PTFE) under empty high temperature sintering, obtains the substrate that side has gas flow
Layer；
(3) by the other side of above-mentioned basal layer immerse temperature be carried out in 45~55 DEG C of copper plating baths Electroless copper 25~
35min is then cleaned by ultrasonic in ethyl alcohol, is then immersed in the graphene dispersing solution that concentration is 0.1~0.4wt% and precipitates graphite
Alkene 25~35min of piece obtains copper-graphite alkene complex phase film；
(4) step (3) are repeated until obtaining the copper-graphite alkene complex phase film of specified thickness, the microporous layers is made.
2. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the thickness of the microporous layers
For 0.05~0.15mm.
3. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the depth of the gas flow
Degree is 2.5~3.0mm.
4. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the metallic fiber is worked as
Amount diameter is 0.01~0.03mm.
5. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the length of the metallic fiber
Degree is 10~15mm.
6. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the Low Temperature Solid-Phase sintering
Method specifically: lower than 30~50 DEG C of fusing point of the metallic fiber at a temperature of vacuum burning is carried out to the metallic fiber after pressurization
Knot, is connected by the violent molecule diffusion motion in metallic fiber with periphery material.
7. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the Electroless copper
The partial size of the copper particle of middle acquisition is 0.03~0.07mm.
8. a kind of fuel battery gas diffusion layer structure as described in claim 1, it is characterised in that: the graphene film thickness
For 0.02~0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156824.1A CN106876743B (en) | 2017-03-16 | 2017-03-16 | A kind of fuel battery gas diffusion layer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156824.1A CN106876743B (en) | 2017-03-16 | 2017-03-16 | A kind of fuel battery gas diffusion layer structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106876743A CN106876743A (en) | 2017-06-20 |
| CN106876743B true CN106876743B (en) | 2019-07-23 |
Family
ID=59171953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710156824.1A Active CN106876743B (en) | 2017-03-16 | 2017-03-16 | A kind of fuel battery gas diffusion layer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106876743B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293765A (en) * | 2017-07-28 | 2017-10-24 | 韦德永 | A kind of fuel battery gas diffusion layer structure |
| CN109898362A (en) * | 2019-02-28 | 2019-06-18 | 华南理工大学 | A kind of high-performance carbon fibre paper of non-polymer binder and preparation method thereof |
| CN110061256A (en) * | 2019-03-16 | 2019-07-26 | 洛阳师范学院 | A kind of diffusion layer structure of fuel cell |
| CN110492124B (en) * | 2019-07-17 | 2020-11-13 | 珠海冠宇电池股份有限公司 | High-conductivity hydrophobic gas diffusion layer and preparation method thereof |
| CN111540921A (en) * | 2020-04-21 | 2020-08-14 | 南京格致高新环保技术有限公司 | Fuel cell gas diffusion layer integrated with flow field and preparation method thereof |
| CN114899417B (en) * | 2022-04-28 | 2023-12-29 | 一汽解放汽车有限公司 | Fuel cell gas diffusion layer and preparation method thereof |
| CN115663211B (en) * | 2022-11-11 | 2023-09-29 | 上海氢晨新能源科技有限公司 | Gas diffusion layer and fuel cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662031A (en) * | 2008-08-04 | 2010-03-03 | 通用汽车环球科技运作公司 | Gas diffusion layer with lower gas diffusivity |
| CN102082277A (en) * | 2010-12-24 | 2011-06-01 | 上海交通大学 | Metal gas diffusion layer used for fuel cell and preparation method thereof |
| WO2014030553A1 (en) * | 2012-08-24 | 2014-02-27 | 東レ株式会社 | Gas-diffusion electrode base material for fuel cell |
-
2017
- 2017-03-16 CN CN201710156824.1A patent/CN106876743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662031A (en) * | 2008-08-04 | 2010-03-03 | 通用汽车环球科技运作公司 | Gas diffusion layer with lower gas diffusivity |
| CN102082277A (en) * | 2010-12-24 | 2011-06-01 | 上海交通大学 | Metal gas diffusion layer used for fuel cell and preparation method thereof |
| WO2014030553A1 (en) * | 2012-08-24 | 2014-02-27 | 東レ株式会社 | Gas-diffusion electrode base material for fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106876743A (en) | 2017-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106876743B (en) | A kind of fuel battery gas diffusion layer structure | |
| CN110148759B (en) | Preparation method of high-current-density-oriented proton exchange membrane fuel cell gas diffusion layer | |
| CN102082277B (en) | Metal gas diffusion layer used for fuel cell and preparation method thereof | |
| CN110048127A (en) | Fuel battery gas diffusion layer, fuel cell and preparation method | |
| Park et al. | Fabrication of gas diffusion layer (GDL) containing microporous layer using flourinated ethylene prophylene (FEP) for proton exchange membrane fuel cell (PEMFC) | |
| WO2013099720A1 (en) | Gas diffusion electrode substrate for fuel cell, membrane electrode assembly, and fuel cell | |
| CN103046088A (en) | Micro-nano composite porous copper surface structure and preparation method and device thereof | |
| CN112967889B (en) | Lignin-based high-area-ratio-capacitance super-capacitor material and preparation method and application thereof | |
| CN102916199B (en) | Preparation method of fuel cell membrane electrode | |
| CN112898610B (en) | Flexible metal-organic framework/gelatin composite film and preparation method and application thereof | |
| CN101552342B (en) | Method of compositely manufacturing proton exchange membrane fuel cell bipolar plate and membrane electrode assembly | |
| CN105719852A (en) | Preparation method for three-dimensional nano-porous graphene/manganese dioxide composite electrode material | |
| CN104269278A (en) | Self-supporting type nano-porous nickel/nickel oxide combined electrode plate and preparation method thereof | |
| CN110190286A (en) | A kind of vertical graphene-copper foil composite current collector and preparation method thereof based on growth in situ | |
| CN203481322U (en) | Gas diffusion layer of proton exchange membrane fuel cell | |
| CN105632790A (en) | MnO2 nano array supercapacitor electrode material and preparation method thereof | |
| CN110024193A (en) | Gas-diffusion electrode and its manufacturing method | |
| CN105070508B (en) | A kind of DSSC using eggshell film preparation is to electrode material and method | |
| CN111082072A (en) | Gas diffusion layer for fuel cell and preparation method thereof | |
| CN106684397B (en) | A kind of modified carbon/carbon composite preparation method of graphene oxide | |
| CN113113617A (en) | Membrane electrode, fuel cell gas diffusion layer and preparation method thereof | |
| CN102723509B (en) | Proton conductors, membrane electrode and preparation thereof is tieed up based on 3 of nanofiber array structure | |
| CN106784674B (en) | A kind of preparation method of flexible lithium ion battery negative electrode material | |
| CN102751506B (en) | A kind of lithium-thionyl chloride Snap-type cell positive carrier and preparation method | |
| CN107871614A (en) | A kind of DSSC using eggshell film preparation is to electrode material and method |
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 | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170620 Assignee: XIAMEN GOLDEN DRAGON BUS Co.,Ltd. Assignor: XIAMEN University Contract record no.: X2024980009821 Denomination of invention: A gas diffusion layer structure for fuel cells Granted publication date: 20190723 License type: Common License Record date: 20240801 |