CN109830718A - A kind of production method of fuel cell membrane electrode - Google Patents
A kind of production method of fuel cell membrane electrode Download PDFInfo
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- CN109830718A CN109830718A CN201910019466.9A CN201910019466A CN109830718A CN 109830718 A CN109830718 A CN 109830718A CN 201910019466 A CN201910019466 A CN 201910019466A CN 109830718 A CN109830718 A CN 109830718A
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- proton exchange
- exchange membrane
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- fuel cell
- production method
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a kind of production method of fuel cell membrane electrode, include the following steps: S2, complex carrier is made by the carbon carrier for being retained electrodeposition substance, then noble metal will be supported on complex carrier that elctro-catalyst is made is spare；S3, the face A that catalyst pulp obtained in step S1 is sprayed on to proton exchange membrane using spray gun；S5, proton exchange membrane is laid on platform, so that the B of proton exchange membrane is face-up, by elctro-catalyst obtained in step S2 using hydraulic press hot pressing to the face B of proton exchange membrane；The face the A placement carbon paper gas diffusion layers of S7, proton exchange membrane, then hot pressing, then ptfe sheet is placed in the face B of proton exchange membrane, fuel cell membrane electrode is obtained after hot pressing.The invention avoids because the addition of substance is retained in water conservation layer and proton exchange membrane the problems such as cause the internal resistance of cell to increase, and gas is produced without alkali steam, without purification, the method for the present invention is simple and easy to control, economical rationality, and product preparation efficiency is high.
Description
Technical field
The invention belongs to fuel cell membrane electrode technical fields, and more specifically more particularly to a kind of fuel cell membranes are electric
The production method of pole.
Background technique
Proton Exchange Membrane Fuel Cells (hereinafter referred to as fuel cell) is one kind without Carnot cycle, utilizes fuel (hydrogen
Gas) electrochemical reaction with oxidant (generally use air), chemical energy is converted into the power generator of electric energy.
It is typically prepared process and first coats Catalytic Layer on transfer medium surface, then there is water conservation function in catalysis layer surface coating
The electrodeless nanoparticle layers of energy, finally the electrode and proton exchange membrane by two with water retaining function obtain fuel electricity by hot pressing
Chamber chip, water conservation layer will increase the proton translocation resistance of membrane electrode.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of fuel cell membrane electrode proposed
Production method.
To achieve the above object, the invention provides the following technical scheme:
A kind of production method of fuel cell membrane electrode, includes the following steps:
S1, catalyst and perfluorinated sulfonic acid solution are poured into the mixed solvent, after mixing, dispersion prepares catalyst slurry
Expect spare；
S2, complex carrier is made by the carbon carrier for being retained electrodeposition substance, then is made noble metal is supported on complex carrier
Elctro-catalyst is spare；
S3, proton exchange membrane include the face A and the face B, and proton exchange membrane is laid on platform, so that the A of proton exchange membrane
Up, then catalyst pulp obtained in step S1 is sprayed on to the face A of proton exchange membrane using spray gun；
S4, flash baking is carried out using A face of the hot wind knife to proton exchange membrane；
S5, proton exchange membrane is laid on platform, so that the B of proton exchange membrane is face-up, it will be obtained in step S2
Elctro-catalyst is using hydraulic press hot pressing to the face B of proton exchange membrane；
S6, flash baking is carried out using B face of the hot wind knife to proton exchange membrane；
The face the A placement carbon paper gas diffusion layers of S7, proton exchange membrane, then hot pressing, then placed in the face B of proton exchange membrane
Ptfe sheet obtains fuel cell membrane electrode after hot pressing.
Preferably, mixed solvent includes ethoxy ethanol, thickener, antiprecipitant and drying retardant in the step S1.
Preferably, the thickener uses butyl acetate, and the antiprecipitant uses D-850, and the drying retardant is using just
Propyl alcohol, the ethoxy ethanol, thickener, antiprecipitant and drying retardant ratio be 3-5: 2-8: 1-9: 1-7.
Preferably, catalyst is carbon-carried platinum-based catalyst in the step S1.
Preferably, it is heated, is added using the face A of the air-heater to the proton exchange membrane being located on platform in the step S3
Hot temperature is 40-50 DEG C.
Preferably, the gas source of the spray gun is inert gas, and spraying pressure control is in 0.05-0.2MPa.
Compared with prior art, the beneficial effects of the present invention are: a kind of life of fuel cell membrane electrode provided by the invention
Production method, compared with traditional technology, this method directlys adopt this elctro-catalyst and prepares electrode, and it is excellent to can be obtained performance of keeping humidity
Membrane electrode；Without constructing one layer of water conservation layer, does not need that water conservation substance is added in proton exchange membrane yet, avoid because of water conservation
The problems such as being retained the addition of substance in layer and proton exchange membrane and the internal resistance of cell caused to increase, and produce gas and be free of alkali steam,
Without purification, the method for the present invention is simple and easy to control, economical rationality, and product preparation efficiency is high.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
A kind of production method of fuel cell membrane electrode, includes the following steps:
S1, catalyst and perfluorinated sulfonic acid solution are poured into the mixed solvent, after mixing, dispersion prepares catalyst slurry
Expect spare；
S2, complex carrier is made by the carbon carrier for being retained electrodeposition substance, then is made noble metal is supported on complex carrier
Elctro-catalyst is spare；
S3, proton exchange membrane include the face A and the face B, and proton exchange membrane is laid on platform, so that the A of proton exchange membrane
Up, then catalyst pulp obtained in step S1 is sprayed on to the face A of proton exchange membrane using spray gun；
S4, flash baking is carried out using A face of the hot wind knife to proton exchange membrane；
S5, proton exchange membrane is laid on platform, so that the B of proton exchange membrane is face-up, it will be obtained in step S2
Elctro-catalyst is using hydraulic press hot pressing to the face B of proton exchange membrane；
S6, flash baking is carried out using B face of the hot wind knife to proton exchange membrane；
The face the A placement carbon paper gas diffusion layers of S7, proton exchange membrane, then hot pressing, then placed in the face B of proton exchange membrane
Ptfe sheet obtains fuel cell membrane electrode after hot pressing.
Specifically, mixed solvent includes ethoxy ethanol, thickener, antiprecipitant and drying retardant in the step S1.
Specifically, the thickener uses butyl acetate, the antiprecipitant uses D-850, and the drying retardant is using just
Propyl alcohol, the ethoxy ethanol, thickener, antiprecipitant and drying retardant ratio be 5: 2: 2: 1.
Specifically, catalyst is carbon-carried platinum-based catalyst in the step S1.
Specifically, being heated in the step S3 using A face of the air-heater to the proton exchange membrane being located on platform, add
Hot temperature 50 C.
Specifically, the gas source of the spray gun is inert gas, spraying pressure control is in 0.1MPa.
In summary: a kind of production method of fuel cell membrane electrode provided by the invention, compared with traditional technology, the party
Method directlys adopt this elctro-catalyst and prepares electrode, can be obtained the excellent membrane electrode of performance of keeping humidity；Without constructing one layer of water conservation
Layer does not need that water conservation substance is added in proton exchange membrane yet, avoids because being retained object in water conservation layer and proton exchange membrane
The addition of matter and the problems such as cause the internal resistance of cell to increase, and produce gas without alkali steam, without purification, the method for the present invention is simply easy
Control, economical rationality, product preparation efficiency are high.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of production method of fuel cell membrane electrode, characterized by the following steps:
S1, catalyst and perfluorinated sulfonic acid solution are poured into the mixed solvent, after mixing, it is standby to prepare catalyst pulp for dispersion
With；
S2, complex carrier is made by the carbon carrier for being retained electrodeposition substance, then the obtained electricity of noble metal will be supported on complex carrier and urged
Agent is spare；
S3, proton exchange membrane include the face A and the face B, and proton exchange membrane is laid on platform, so that the A of proton exchange membrane is faced
On, then catalyst pulp obtained in step S1 is sprayed on to the face A of proton exchange membrane using spray gun；
S4, flash baking is carried out using A face of the hot wind knife to proton exchange membrane；
S5, proton exchange membrane is laid on platform, so that the B of proton exchange membrane is face-up, electricity obtained in step S2 is urged
Agent is using hydraulic press hot pressing to the face B of proton exchange membrane；
S6, flash baking is carried out using B face of the hot wind knife to proton exchange membrane；
The face the A placement carbon paper gas diffusion layers of S7, proton exchange membrane, then hot pressing, then poly- four are placed in the face B of proton exchange membrane
Vinyl fluoride thin slice obtains fuel cell membrane electrode after hot pressing.
2. a kind of production method of fuel cell membrane electrode described in claim 1, it is characterised in that: mixed in the step S1
Solvent includes ethoxy ethanol, thickener, antiprecipitant and drying retardant.
3. a kind of production method of fuel cell membrane electrode as claimed in claim 2, it is characterised in that: the thickener uses second
Acid butyl ester, the antiprecipitant use D-850, and the drying retardant uses normal propyl alcohol, and the ethoxy ethanol, thickener resist and sink
The ratio of shallow lake agent and drying retardant is 3-5: 2-8: 1-9: 1-7.
4. a kind of production method of fuel cell membrane electrode described in claim 1, it is characterised in that: be catalyzed in the step S1
Agent is carbon-carried platinum-based catalyst.
5. a kind of production method of fuel cell membrane electrode described in claim 1, it is characterised in that: used in the step S3
Air-heater heats the face A for the proton exchange membrane being located on platform, and heating temperature is 40-50 DEG C.
6. a kind of production method of fuel cell membrane electrode described in claim 1, it is characterised in that: the gas source of the spray gun
For inert gas, pressure control is sprayed in 0.05-0.2MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910019466.9A CN109830718A (en) | 2019-01-09 | 2019-01-09 | A kind of production method of fuel cell membrane electrode |
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| CN201910019466.9A CN109830718A (en) | 2019-01-09 | 2019-01-09 | A kind of production method of fuel cell membrane electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459774A (en) * | 2019-08-12 | 2019-11-15 | 南京大学昆山创新研究院 | A kind of preparation method of fuel cell membrane electrode |
| CN110676494A (en) * | 2019-09-24 | 2020-01-10 | 东莞市魔方新能源科技有限公司 | Preparation method of membrane electrode, membrane electrode and proton exchange membrane fuel cell |
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| KR20040043877A (en) * | 2002-11-20 | 2004-05-27 | 현대자동차주식회사 | Functional Polymer Electrolyte Membrane for Fuel Cell and Method for Preparing the Same |
| CN1905255A (en) * | 2006-08-10 | 2007-01-31 | 天津大学 | Membrane electrode containing membrane water managing layer and preparing process thereof |
| CN101615677A (en) * | 2009-07-24 | 2009-12-30 | 华南理工大学 | Eelctro-catalyst that is used for fuel cell membrane electrode and preparation method thereof reaches fuel cell membrane electrode |
| CN107437628A (en) * | 2017-07-20 | 2017-12-05 | 上海亮仓能源科技有限公司 | A kind of preparation method of fuel cell membrane electrode assembly |
| CN108365231A (en) * | 2018-02-09 | 2018-08-03 | 上海亮仓能源科技有限公司 | A kind of batch manufacturing method of fuel cell membrane electrode |
-
2019
- 2019-01-09 CN CN201910019466.9A patent/CN109830718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040043877A (en) * | 2002-11-20 | 2004-05-27 | 현대자동차주식회사 | Functional Polymer Electrolyte Membrane for Fuel Cell and Method for Preparing the Same |
| CN1905255A (en) * | 2006-08-10 | 2007-01-31 | 天津大学 | Membrane electrode containing membrane water managing layer and preparing process thereof |
| CN101615677A (en) * | 2009-07-24 | 2009-12-30 | 华南理工大学 | Eelctro-catalyst that is used for fuel cell membrane electrode and preparation method thereof reaches fuel cell membrane electrode |
| CN107437628A (en) * | 2017-07-20 | 2017-12-05 | 上海亮仓能源科技有限公司 | A kind of preparation method of fuel cell membrane electrode assembly |
| CN108365231A (en) * | 2018-02-09 | 2018-08-03 | 上海亮仓能源科技有限公司 | A kind of batch manufacturing method of fuel cell membrane electrode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459774A (en) * | 2019-08-12 | 2019-11-15 | 南京大学昆山创新研究院 | A kind of preparation method of fuel cell membrane electrode |
| CN110676494A (en) * | 2019-09-24 | 2020-01-10 | 东莞市魔方新能源科技有限公司 | Preparation method of membrane electrode, membrane electrode and proton exchange membrane fuel cell |
| CN110676494B (en) * | 2019-09-24 | 2023-08-08 | 魔方氢能源科技(江苏)有限公司 | Membrane electrode preparation method, membrane electrode and proton exchange membrane fuel cell |
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