CN110311144A - A kind of anode gas diffusion layer and preparation method thereof extending the metal double polar plates service life - Google Patents
A kind of anode gas diffusion layer and preparation method thereof extending the metal double polar plates service life Download PDFInfo
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- H—ELECTRICITY
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- 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
- H01M4/8803—Supports for the deposition of the catalytic active composition
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
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- H—ELECTRICITY
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- 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
- H01M8/023—Porous and characterised by the material
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- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
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Abstract
The invention belongs to field of fuel cell technology, specifically a kind of anode gas diffusion layer and preparation method thereof for extending the metal double polar plates service life.Anode gas diffusion layer includes gas diffusion layers and the corrosion inhibition for metal oxidant layer based on gas diffusion layers.The gas diffusion layers are made of supporting layer with the microporous layers for being attached to supporting layer side；The supporting layer is porous carbon paper and carbon cloth；The microporous layers are obtained to support layer surface by coating method after conductive carbon material, hydrophober, water and/or dispersant.The preparation method coats metal inhibitor in gas diffusion layers and anode metal bipolar plates contact side; when anode metal bipolar plate coating fails and exposes metallic matrix; metal inhibitor and metallic matrix on gas diffusion layers carry out chemisorption; protect anode metal bipolar plates; extend the anode metal bipolar plates service life; and then extend the service life of fuel cell pack, solve deficiency existing for existing fuel cell.
Description
Technical field
The invention belongs to field of fuel cell technology, specifically a kind of anodic gas for extending the metal double polar plates service life
Diffusion layer and preparation method thereof.
Background technique
Proton Exchange Membrane Fuel Cells (PEMFC) is a kind of fuel cell, and main composition component is gas diffusion layers, urges
Change layer, proton exchange membrane, bipolar plates, end plate etc..Bipolar plates are also known as collector plate, now widely used bipolar plates have graphite plate,
Metal plate and composite panel three types, metal double polar plates are because of its volumetric specific power density, electrical and thermal conductivity performance, volume production cost
Etc. advantages, captured more and more market shares.Metal double polar plates are because corrosion resistance itself is poor, so metal bipolar
Plate surface is modified mostly, and process for modifying surface extends the service life of metal double polar plates.Surface modified coat is because there are microcosmic
The problems such as defect, the removing of cell operation floating coat, metal double polar plates metallic matrix can be made to expose and generate corrosion.Corrosion is not
Bipolar plates itself are only destroyed, also reduction battery performance.Corrosion the reason of causing battery performance to reduce be the metal that generates of corrosion from
Son is absorbed by proton exchange membrane, and the proton conductivity of film reduces；The metal ion for corroding generation simultaneously enters Catalytic Layer, changes
Catalyst activity reduces the durability of battery.Therefore, it is necessary to develop a kind of new method, in the feelings of metal double polar plates coating failure
Under condition, second protection metal double polar plates metallic matrix extends the metal double polar plates service life, and then extends the use longevity of fuel cell
Life.
Summary of the invention
The present invention provides a kind of anode gas diffusion layers and preparation method thereof for extending the metal double polar plates service life, in gas
Diffusion layer and anode metal bipolar plates contact side coat metal inhibitor, fail in anode metal bipolar plate coating and expose metal
When matrix, metal inhibitor and metallic matrix on gas diffusion layers carry out chemisorption, protect anode metal bipolar plates, extend
The anode metal bipolar plates service life, and then extend the service life of fuel cell pack, it solves above-mentioned existing for existing fuel cell
It is insufficient.
Technical solution of the present invention is described with reference to the drawings as follows:
A kind of anode gas diffusion layer extending the metal double polar plates service life, which includes gas diffusion layers
With the corrosion inhibition for metal oxidant layer based on gas diffusion layers.
The gas diffusion layers are made of supporting layer with the microporous layers for being attached to supporting layer side；The supporting layer is porous
Carbon paper and carbon cloth；The microporous layers be conductive carbon material, hydrophober, water and/or dispersant after by coating method extremely
Support layer surface is made.
The conductive carbon material is conductive carbon black, activated carbon, carbon nanotube, carbon nano-fiber, carbon fiber, carbosphere or stone
The mixture of one or more of ink powder；The loading of the conductive carbon material is to contain in supporting layer every square centimeter
Conductive carbon material 0.1mg~6mg.
The hydrophober is being total to for polytetrafluoroethylene (PTFE), polytrifluorochloroethylene, Kynoar, tetrafluoroethene and hexafluoropropene
The mixture of one or more of the copolymer of polymers, tetrafluoroethene and perfluoroalkyl vinyl ether；The hydrophober
Loading be the 5%~60% of hydrophober and conductive carbon material gross mass.
The dispersing agent is alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyvinylpyrrolidone, polyoxy second
Alkene-Pluronic L121, cetyl trimethylammonium bromide, lauryl sodium sulfate, linear alkylbenzene (LAB)
The mixture of one or more of sulfonate, dodecyl succinate.
The coating method is to scratch, spraying, brush, printing side one or more kinds of in painting, silk-screen printing or suction filtration
Formula.
The corrosion inhibition for metal oxidant layer is made of the metal inhibitor for being attached to the supporting layer other side of gas diffusion layers；It is described
Metal inhibitor is the ternary aliphatic acid of the unary fatty acid salt of C4~C12, the di-fatty hydrochlorate of C4~C12, C6~C21
The mixture of one or more of salt, fragrant hydrochlorate, amino-acid salt, siloxanes ketone；The loading of metal inhibitor is
Contain metal inhibitor 0.1mg~3mg in supporting layer every square centimeter.
A kind of preparation method for the anode gas diffusion layer extending the metal double polar plates service life, method includes the following steps:
Step 1: dispersing agent is added in deionized water or distilled water, by one or two kinds of dispersing modes, formed equal
Even dispersant concentration is the aqueous dispersant of 0.1wt%~2wt%；
Step 2: passing through one or two for conductive carbon material to be added in the aqueous dispersant of step 1 preparation
Dispersing mode forms uniform conductive carbon material pulp suspension；
Step 3: hydrophobic agent emulsion is added in the conductive carbon material pulp suspension of step 2 preparation, pass through one or two
Dispersing mode, formed concentration containing hydrophober be 1wt%~60wt% microporous layers slurry；
Step 4: by the microporous layers slurry of step 3 preparation by one or more kinds of coating methods to passing through hydrophobic
The side of the supporting layer of processing obtains gas diffusion layers using heat treatment mode；
Step 5: metal inhibitor is added in deionized water or distilled water, by one or two kinds of dispersing modes, and
The heating for carrying out room temperature~100 DEG C simultaneously, forms uniform metal inhibitor aqueous solution；
Step 6: the metal inhibitor aqueous solution of step 5 preparation is passed through one or more kinds of coating method to warp
The other side for crossing the supporting layer of hydrophobic processing, the corrosion inhibition for metal oxidant layer based on gas diffusion layers is obtained using heat treatment mode.
The dispersing mode is one or two kinds of in mechanical stirring 1 minute~10 hours, ultrasonic disperse 1 minute~2 hours
Mode.
The heat treatment mode is that heat treatment temperature is 50 DEG C~400 DEG C, and the processing time is 30 minutes~5 hours, processing
Atmosphere is air, nitrogen or argon gas.
The invention has the benefit that
The present invention coats metal inhibitor in gas diffusion layers and anode metal bipolar plates contact side, double in anode metal
When pole plate coating failure exposes metallic matrix, metal inhibitor and metallic matrix on gas diffusion layers carry out chemisorption, protect
Anode metal bipolar plates are protected, the anode metal bipolar plates service life is extended, and then extend the service life of fuel cell pack.
Detailed description of the invention
Fig. 1 is that the proton of the anode gas diffusion layer in an extension metal double polar plates service life containing the embodiment of the present invention is handed over
Change the structural schematic diagram of membrane cell monocell；
Fig. 2 is embodiment one and comparative example one assembles the test result comparison diagram that two monocells carry out durability test.
In figure: 1, anode gas diffusion layer；2, microporous layers；3, supporting layer；4, corrosion inhibition for metal oxidant layer.
Specific embodiment
Refering to fig. 1, a kind of anode gas diffusion layer 1 extending the metal double polar plates service life, including gas diffusion layers and be based on
The corrosion inhibition for metal oxidant layer 4 of gas diffusion layers.
The gas diffusion layers are made of supporting layer 3 with the microporous layers 2 for being attached to supporting layer side；The supporting layer 3 is
Porous carbon paper and carbon cloth；The microporous layers 2 be conductive carbon material, hydrophober, water and/or dispersant after pass through coating side
Formula to support layer surface is made.
The conductive carbon material is conductive carbon black, activated carbon, carbon nanotube, carbon nano-fiber, carbon fiber, carbosphere or stone
The mixture of one or more of ink powder；The loading of the conductive carbon material is to contain in supporting layer every square centimeter
Conductive carbon material 0.1mg~6mg.
The hydrophober is being total to for polytetrafluoroethylene (PTFE), polytrifluorochloroethylene, Kynoar, tetrafluoroethene and hexafluoropropene
The mixture of one or more of the copolymer of polymers, tetrafluoroethene and perfluoroalkyl vinyl ether；The hydrophober
Loading be the 5%~60% of hydrophober and conductive carbon material gross mass.
The dispersing agent is alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyvinylpyrrolidone, polyoxy second
Alkene-Pluronic L121, cetyl trimethylammonium bromide, lauryl sodium sulfate, linear alkylbenzene (LAB)
The mixture of one or more of sulfonate, dodecyl succinate.
The coating method is to scratch, spraying, brush, printing side one or more kinds of in painting, silk-screen printing or suction filtration
Formula.
The corrosion inhibition for metal oxidant layer is made of the metal inhibitor for being attached to the supporting layer other side of gas diffusion layers；It is described
Metal inhibitor is the ternary aliphatic acid of the unary fatty acid salt of C4~C12, the di-fatty hydrochlorate of C4~C12, C6~C21
The mixture of one or more of salt, fragrant hydrochlorate, amino-acid salt, siloxanes ketone；The loading of metal inhibitor is
Contain metal inhibitor 0.1mg~3mg in supporting layer every square centimeter.
A kind of preparation method for the anode gas diffusion layer extending the metal double polar plates service life, method includes the following steps:
Step 1: dispersing agent is added in deionized water or distilled water, by one or two kinds of dispersing modes, formed equal
Even dispersant concentration is the aqueous dispersant of 0.1wt%~2wt%；
Step 2: passing through one or two for conductive carbon material to be added in the aqueous dispersant of step 1 preparation
Dispersing mode forms uniform conductive carbon material pulp suspension；
Step 3: hydrophobic agent emulsion is added in the conductive carbon material pulp suspension of step 2 preparation, pass through one or two
Dispersing mode, formed concentration containing hydrophober be 1wt%~60wt% microporous layers slurry；
Step 4: by the microporous layers slurry of step 3 preparation by one or more kinds of coating methods to passing through hydrophobic
The side of the supporting layer of processing obtains gas diffusion layers using heat treatment mode；
Step 5: metal inhibitor is added in deionized water or distilled water, by one or two kinds of dispersing modes, and
The heating for carrying out room temperature~100 DEG C simultaneously, forms uniform metal inhibitor aqueous solution；
Step 6: the metal inhibitor aqueous solution of step 5 preparation is passed through one or more kinds of coating method to warp
The other side for crossing the supporting layer of hydrophobic processing, the corrosion inhibition for metal oxidant layer based on gas diffusion layers is obtained using heat treatment mode.
The dispersing mode is one or two kinds of in mechanical stirring 1 minute~10 hours, ultrasonic disperse 1 minute~2 hours
Mode.
The heat treatment mode is that heat treatment temperature is 50 DEG C~400 DEG C, and the processing time is 30 minutes~5 hours, processing
Atmosphere is air, nitrogen or argon gas.
Embodiment one
Lauryl sodium sulfate, Phosphate of Polyoxyethylene Isooctyl Ether sodium are added in distilled water, mechanical stirring 2 hours,
Form the aqueous dispersant that uniform dispersant concentration is 0.5wt%；Above-mentioned dispersing agent is added in activated carbon and carbon nanotube
In aqueous solution, mechanical stirring 20 minutes, uniform conductive carbon material pulp suspension is formed；Above-mentioned lead is added in ptfe emulsion
In electrical carbon material suspension, ultrasonic disperse 1 minute, the microporous layers slurry that hydrophober concentration is 20wt% is formed；By above-mentioned micropore
Layer slurry, to the side for the supporting layer for passing through hydrophobic processing, is first placed in 105 DEG C of baking ovens by way of scratching and being combined with spraying
It heats and weighs, then repeat the step until the loading of conductive carbon material reaches the loading of 1.5mg/cm2 and hydrophober
Reach the 40% of hydrophober and conductive carbon material gross mass, then be placed in inflated with nitrogen baking oven, is sintered 2 hours at a temperature of 400 DEG C
Obtain gas diffusion layers.
By sodium butyrate, sodium benzoate, triazine triamido sodium n-caproate be added distilled water in, 100 DEG C mechanical stirring 6 hours, shape
At uniform metal inhibitor aqueous solution；By above-mentioned metal inhibitor aqueous solution by way of brushing to pass through hydrophobic processing
The other side of supporting layer, then be placed in 80 DEG C of baking ovens and heat and weigh, then repeat the step supporting until metal inhibitor
Amount is to contain metal inhibitor 0.5mg in supporting layer every square centimeter, obtains the corrosion inhibition for metal oxidant layer based on gas diffusion layers.
Embodiment two
Polyvinylpyrrolidone is added in deionized water, mechanical stirring 1 hour, forming uniform dispersant concentration was
The aqueous dispersant of 0.1wt%；Conductive carbon black is added in above-mentioned aqueous dispersant, mechanical stirring 10 minutes, is formed equal
Even conductive carbon material pulp suspension；Above-mentioned conductive carbon material pulp suspension is added in polytrifluorochloroethylene and polyvinylidene fluoride emulsion
In, mechanical stirring 1 minute, ultrasonic disperse 30 minutes, form the microporous layers slurry that hydrophober concentration is 1wt%；By above-mentioned micropore
Layer slurry, to the side for the supporting layer for passing through hydrophobic processing, is first placed in 100 DEG C of baking ovens by way of suction filtration and heats and weigh,
Then repeat the step until loading that the loading of conductive carbon material reaches 0.1mg/cm2 and hydrophober reach hydrophober and
The 60% of conductive carbon material gross mass, then be placed in inflated with nitrogen baking oven, it is sintered 4 hours at a temperature of 350 DEG C and obtains gas diffusion
Layer.
Sodium glutamate, neodecanoic acid sodium, sodium succinate are added in deionized water, room temperature mechanical stirs 10 hours, is formed equal
Even metal inhibitor aqueous solution；By above-mentioned metal inhibitor aqueous solution to the support for passing through hydrophobic processing by way of spraying
The other side of layer, then be placed in 50 DEG C of baking ovens and heat and weigh, the step is then repeated until the loading of metal inhibitor is
Contain metal inhibitor 0.1mg in supporting layer every square centimeter, obtains the corrosion inhibition for metal oxidant layer based on gas diffusion layers.
Embodiment three
Distilled water is added in polyoxyethylene-poly-oxypropylene polyoxyethylene block copolymer, cetyl trimethylammonium bromide
In, ultrasonic disperse 30 minutes, form the aqueous dispersant that uniform dispersant concentration is 1.44wt%；By carbon nano-fiber and
Graphite powder is added in above-mentioned aqueous dispersant, ultrasonic disperse 20 minutes, forms uniform conductive carbon material pulp suspension；By tetrafluoro
The copolymer emulsion of ethylene and hexafluoropropene is added in above-mentioned conductive carbon material pulp suspension, ultrasonic disperse 1 hour, forms hydrophober
Concentration is the microporous layers slurry of 42wt%；By above-mentioned microporous layers slurry to the branch for passing through hydrophobic processing by way of silk-screen printing
The side for supportting layer, is first placed in 95 DEG C of baking ovens and heats and weigh, then repeat the step until the loading of conductive carbon material reaches
Loading to 3mg/cm2 and hydrophober reaches the 10% of hydrophober and conductive carbon material gross mass, then is placed in inflated with nitrogen baking oven
In, it is sintered 5 hours at a temperature of 330 DEG C and obtains gas diffusion layers.
By dodecanedioic acid potassium, potassium citrate be added distilled water in, 50 DEG C mechanical stirring 5 hours, form uniform metal
Corrosion inhibiter aqueous solution；By above-mentioned metal inhibitor aqueous solution by way of spraying to pass through hydrophobic processing supporting layer it is another
Side is first placed in 110 DEG C of baking ovens and heats and weigh, and then repeats the step until the loading of metal inhibitor is every square li
Contain metal inhibitor 1.5mg in rice supporting layer, obtains the corrosion inhibition for metal oxidant layer based on gas diffusion layers.
Example IV
Octyl phenol polyoxyethylene ether, dodecyl benzene sulfonate, dodecyl succinate are added in distilled water, ultrasound point
It dissipates 30 minutes 1 hour, forms the aqueous dispersant that uniform dispersant concentration is 2wt%；Carbon fiber and carbosphere are added
In above-mentioned aqueous dispersant, ultrasonic disperse 10 minutes, uniform conductive carbon material pulp suspension is formed；By tetrafluoroethene and perfluor
The copolymer emulsion of alkyl vinyl ether is added in above-mentioned conductive carbon material pulp suspension, and mechanical stirring 2 hours, it is dense to form hydrophober
Degree is the microporous layers slurry of 60wt%；By above-mentioned microporous layers slurry brush with print apply combined by way of to pass through hydrophobic handle
Supporting layer side, be first placed in 100 DEG C of baking ovens and heat and weigh, then repeat the step supporting until conductive carbon material
Amount reaches 6mg/cm2 and the loading of hydrophober reaches the 5% of hydrophober and conductive carbon material gross mass, then is placed in inflated with nitrogen baking
In case, it is sintered 3 hours at a temperature of 370 DEG C and obtains gas diffusion layers.
By sulfonic acid radical siloxane ketone be added distilled water in, 88 DEG C ultrasonic disperse 2 hours, form uniform metal inhibitor water
Solution；Above-mentioned metal inhibitor aqueous solution then is set by way of brushing to the other side for the supporting layer for passing through hydrophobic processing
It heats and weighs in 100 DEG C of baking ovens, then repeat the step until the loading of metal inhibitor is support every square centimeter
Contain metal inhibitor 3mg in layer, obtains the corrosion inhibition for metal oxidant layer based on gas diffusion layers.
Comparative example one
It is the same as example 1: lauryl sodium sulfate, Phosphate of Polyoxyethylene Isooctyl Ether sodium is added in distilled water,
Mechanical stirring 2 hours, form the aqueous dispersant that uniform dispersant concentration is 0.5wt%；By activated carbon and carbon nanotube
It is added in above-mentioned aqueous dispersant, mechanical stirring 20 minutes, forms uniform conductive carbon material pulp suspension；By polytetrafluoroethylene (PTFE)
Lotion is added in above-mentioned conductive carbon material pulp suspension, ultrasonic disperse 1 minute, forms the microporous layers that hydrophober concentration is 20wt% and starches
Material；Above-mentioned microporous layers slurry is first set by way of scratching and being combined with spraying to the side for the supporting layer for passing through hydrophobic processing
It heats and weighs in 105 DEG C of baking ovens, then repeat the step until the loading of conductive carbon material reaches 1.5mg/cm2 and hates
The loading of aqua reaches the 40% of hydrophober and conductive carbon material gross mass, then is placed in inflated with nitrogen baking oven, in 400 DEG C of temperature
Lower sintering obtains gas diffusion layers in 2 hours.
The gas diffusion layers obtained using above-described embodiment one and comparative example one respectively as anode gas diffusion layer, other
Component is identical, assembles two monocells and carries out durability test.Test results are shown in figure 2, the cell durability of embodiment one
Test is better than comparative example one.
Claims (10)
1. a kind of anode gas diffusion layer for extending the metal double polar plates service life, which is characterized in that the anode gas diffusion layer includes
Gas diffusion layers and corrosion inhibition for metal oxidant layer based on gas diffusion layers.
2. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 1, which is characterized in that described
Gas diffusion layers are made of supporting layer with the microporous layers for being attached to supporting layer side；The supporting layer is porous carbon paper and carbon
Cloth；The microporous layers are by coating method after conductive carbon material, hydrophober, water and/or dispersant to support layer surface
It is made.
3. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, which is characterized in that described
Conductive carbon material is one of conductive carbon black, activated carbon, carbon nanotube, carbon nano-fiber, carbon fiber, carbosphere or graphite powder
Or two or more mixture；The loading of the conductive carbon material is to contain conductive carbon material in supporting layer every square centimeter
0.1mg~6mg.
4. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, which is characterized in that described
Hydrophober is copolymer, the tetrafluoro second of polytetrafluoroethylene (PTFE), polytrifluorochloroethylene, Kynoar, tetrafluoroethene and hexafluoropropene
The mixture of one or more of the copolymer of alkene and perfluoroalkyl vinyl ether；The loading of the hydrophober is to hate
The 5%~60% of aqua and conductive carbon material gross mass.
5. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, which is characterized in that described
Dispersing agent is alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyvinylpyrrolidone, PULLRONIC F68-are poly-
Ethylene oxide block copolymer, cetyl trimethylammonium bromide, lauryl sodium sulfate, linear alkylbenzene sulfonate (LAS), dodecane
The mixture of one or more of base succinic acid.
6. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, which is characterized in that described
Coating method is to scratch, spraying, brush, printing mode one or more kinds of in painting, silk-screen printing or suction filtration.
7. a kind of anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, which is characterized in that described
Corrosion inhibition for metal oxidant layer is made of the metal inhibitor for being attached to the supporting layer other side of gas diffusion layers；The metal inhibitor is
The unary fatty acid salt of C4~C12, the di-fatty hydrochlorate of C4~C12, the ternary aliphatic hydrochlorate of C6~C21, fragrant hydrochlorate, ammonia
The mixture of one or more of base hydrochlorate, siloxanes ketone；The loading of metal inhibitor is support every square centimeter
Contain metal inhibitor 0.1mg~3mg in layer.
8. a kind of preparation method for the anode gas diffusion layer for extending the metal double polar plates service life according to claim 2, special
Sign is, method includes the following steps:
Step 1: dispersing agent is added in deionized water or distilled water, by one or two kinds of dispersing modes, formed uniform
Dispersant concentration is the aqueous dispersant of 0.1wt%~2wt%；
Step 2: passing through one or two kinds of dispersions for conductive carbon material to be added in the aqueous dispersant of step 1 preparation
Mode forms uniform conductive carbon material pulp suspension；
Step 3: hydrophobic agent emulsion is added in the conductive carbon material pulp suspension of step 2 preparation, pass through one or two kinds of points
The mode of dissipating forms the microporous layers slurry that concentration containing hydrophober is 1wt%~60wt%；
Step 4: the microporous layers slurry of step 3 preparation is handled by one or more kinds of coating methods to hydrophobic is passed through
Supporting layer side, obtain gas diffusion layers using heat treatment mode；
Step 5: metal inhibitor is added in deionized water or distilled water, by one or two kinds of dispersing modes, and simultaneously
The heating for carrying out room temperature~100 DEG C, forms uniform metal inhibitor aqueous solution；
Step 6: by the metal inhibitor aqueous solution of step 5 preparation by one or more kinds of coating methods to by hating
The other side of the supporting layer of water process obtains the corrosion inhibition for metal oxidant layer based on gas diffusion layers using heat treatment mode.
9. a kind of preparation method for the anode gas diffusion layer for extending the metal double polar plates service life according to claim 8, special
Sign is that the dispersing mode is one or two side in mechanical stirring 1 minute~10 hours, ultrasonic disperse 1 minute~2 hours
Formula.
10. a kind of preparation method for the anode gas diffusion layer for extending the metal double polar plates service life according to claim 8, special
Sign is that the heat treatment mode is that heat treatment temperature is 50 DEG C~400 DEG C, and the processing time is 30 minutes~5 hours, handles gas
Atmosphere is air, nitrogen or argon gas.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701299A (en) * | 2020-12-29 | 2021-04-23 | 一汽解放汽车有限公司 | Gas diffusion layer of fuel cell and preparation method and application thereof |
| CN112993280A (en) * | 2021-03-11 | 2021-06-18 | 大连交通大学 | Preparation method of microporous layer of gas diffusion layer of lithium-air battery |
| CN113140768A (en) * | 2021-04-12 | 2021-07-20 | 上海交通大学 | Cathode side structure of integrated reversible fuel cell membrane electrode |
| CN115011211A (en) * | 2022-07-25 | 2022-09-06 | 陕西科技大学 | Self-repairing anticorrosive coating and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080114115A (en) * | 2007-06-27 | 2008-12-31 | 현대자동차주식회사 | Mea for fuel cell |
| CN101958421A (en) * | 2009-07-20 | 2011-01-26 | 通用汽车环球科技运作公司 | Conductive and the hydrophilic surface modification of fuel battery double plates |
| JP2011040312A (en) * | 2009-08-14 | 2011-02-24 | General Optics Corp | Diffusion layer with fine protective layer, and method of manufacturing the same |
| JP2011076848A (en) * | 2009-09-30 | 2011-04-14 | Dainippon Printing Co Ltd | Micro porous layer for fuel cell, gas diffusion electrode with micro porous layer, catalyst layer with micro porous layer, gas diffusion electrode with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell |
| 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 |
| CN103996863A (en) * | 2013-02-15 | 2014-08-20 | 原子能与替代能源委员会 | Bipolar metal plate for fuel cell with proton exchange membrane |
| CN104716337A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Production method of gas diffusion layer for proton exchange membrane fuel cell |
| CN105119007A (en) * | 2015-08-05 | 2015-12-02 | 黄河科技学院 | Preparing method for corrosion-resistant gas diffusion layer of fuel cell |
| KR20180025275A (en) * | 2016-08-30 | 2018-03-08 | (주)엘켐텍 | Gas diffusion layer with corrosion protective coating and method for manufacturing thereof, and membrane electrode assembly having the gas diffusion layers |
| CN109193004A (en) * | 2018-08-09 | 2019-01-11 | 成都新柯力化工科技有限公司 | A kind of metal base fuel battery gas diffusion layer material and preparation method |
-
2019
- 2019-06-26 CN CN201910558685.4A patent/CN110311144B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080114115A (en) * | 2007-06-27 | 2008-12-31 | 현대자동차주식회사 | Mea for fuel cell |
| CN101958421A (en) * | 2009-07-20 | 2011-01-26 | 通用汽车环球科技运作公司 | Conductive and the hydrophilic surface modification of fuel battery double plates |
| JP2011040312A (en) * | 2009-08-14 | 2011-02-24 | General Optics Corp | Diffusion layer with fine protective layer, and method of manufacturing the same |
| JP2011076848A (en) * | 2009-09-30 | 2011-04-14 | Dainippon Printing Co Ltd | Micro porous layer for fuel cell, gas diffusion electrode with micro porous layer, catalyst layer with micro porous layer, gas diffusion electrode with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell |
| 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 |
| CN103996863A (en) * | 2013-02-15 | 2014-08-20 | 原子能与替代能源委员会 | Bipolar metal plate for fuel cell with proton exchange membrane |
| CN104716337A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Production method of gas diffusion layer for proton exchange membrane fuel cell |
| CN105119007A (en) * | 2015-08-05 | 2015-12-02 | 黄河科技学院 | Preparing method for corrosion-resistant gas diffusion layer of fuel cell |
| KR20180025275A (en) * | 2016-08-30 | 2018-03-08 | (주)엘켐텍 | Gas diffusion layer with corrosion protective coating and method for manufacturing thereof, and membrane electrode assembly having the gas diffusion layers |
| CN109193004A (en) * | 2018-08-09 | 2019-01-11 | 成都新柯力化工科技有限公司 | A kind of metal base fuel battery gas diffusion layer material and preparation method |
Cited By (7)
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|---|---|---|---|---|
| CN112701299A (en) * | 2020-12-29 | 2021-04-23 | 一汽解放汽车有限公司 | Gas diffusion layer of fuel cell and preparation method and application thereof |
| CN112993280A (en) * | 2021-03-11 | 2021-06-18 | 大连交通大学 | Preparation method of microporous layer of gas diffusion layer of lithium-air battery |
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