CN110350208A - The absorption coating method of hydrogen fuel cell CCM membrane electrode - Google Patents
The absorption coating method of hydrogen fuel cell CCM membrane electrode Download PDFInfo
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- CN110350208A CN110350208A CN201910631246.1A CN201910631246A CN110350208A CN 110350208 A CN110350208 A CN 110350208A CN 201910631246 A CN201910631246 A CN 201910631246A CN 110350208 A CN110350208 A CN 110350208A
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- proton exchange
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- exchange membrane
- catalytic layer
- fuel cell
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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
- H01M4/8828—Coating with slurry or ink
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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
- H01M4/8878—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
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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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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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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Abstract
A kind of absorption coating method of hydrogen fuel cell CCM membrane electrode is coated with the first Catalytic Layer including S1, in the face A of proton exchange membrane；S2, the first Catalytic Layer is toasted using the first predetermined temperature；S3, protective film on the face proton exchange membrane B is thrown off；S4, the face A of proton exchange membrane is sucked with adsorbent equipment；S5, the second Catalytic Layer is coated in the face B of proton exchange membrane；State is sucked to the face proton exchange membrane A in S6, holding, is toasted to obtain CCM membrane electrode to the second Catalytic Layer using the second predetermined temperature.The present invention has the advantages that not having to hydrogen fuel cell proton exchange membrane of the transfer film to be coated with the face A and B of proton exchange membrane.
Description
Technical field
The present invention relates to a kind of hydrogen fuel cell CCM(catalyst coated membrane) absorption of membrane electrode coating
Method and its equipment.
Technical background
In the double spread Catalytic Layer to hydrogen fuel cell proton exchange membrane, due to the solvent of most of Catalytic Layers use
It is alcohols material, such as uses methanol, ethyl alcohol, propyl alcohol, isopropanol, normal propyl alcohol or glycerine, still, currently used proton is handed over
Changing film is mostly perfluoro sulfonic acid membrane, in this way, due to the presence of alcohols solvent, can make matter in coating catalytic layer in proton exchange membrane
Proton exchange generates swelling, and influences the quality of proton exchange membrane.In order to solve the problems, such as above-mentioned swelling, people use two kinds at present
Different coating methods, first is that protective film rubbing method, way is first to coat the first catalysis in the one side (face A) of proton exchange membrane
First Catalytic Layer is dried, then stick protective layer in the first Catalytic Layer, counterdie is thrown off, in the another side of proton exchange membrane by layer
(face B) coats the second Catalytic Layer, and the second Catalytic Layer is dried, and throws off protective layer and forms CCM membrane electrode, winding is completed, such to do
The visible Chinese patent literature CN1084481139A of method；Second is that absorption rubbing method, absorption rubbing method is divided into two kinds again, the first is
Single side adsorbs rubbing method, and specific practice is to coat the first Catalytic Layer in the one side (face A) of proton exchange membrane, while in a release paper
The second Catalytic Layer of upper coating respectively dries the first Catalytic Layer and the second Catalytic Layer, then by the second Catalytic Layer thermal transfer to having taken off
It goes on the another side (face B) of the proton exchange membrane of counterdie, throws off release paper and form CCM membrane electrode, winding is completed, and such way is shown in
Chinese patent literature CN106784944A；Second is two-sided absorption rubbing method, and specific practice is to be coated on the first Catalytic Layer
In first release paper, the second Catalytic Layer is coated in the second release paper, respectively that the first Catalytic Layer and the second Catalytic Layer is dry, so
The first Catalytic Layer and the second Catalytic Layer are compounded in respectively on the two sides of proton exchange membrane afterwards, then, throw off the first release paper and
Second release paper forms CCM membrane electrode, and winding is completed, and such way is shown in Chinese patent literature CN109088073A.
In above-mentioned three kinds of modes, the partially catalyzed layer of taking that protective film or release paper all can be more or less is either thrown off,
It causes Catalytic Layer surface topography imperfect, is catalyzed the non-uniform problem of layer thickness profile, this does not allow.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of A and B that proton exchange membrane is coated with without transfer film to society
The absorption coating method and its equipment of the hydrogen fuel cell proton exchange membrane in face.
The technical scheme is that a kind of absorption coating method of hydrogen fuel cell CCM membrane electrode is provided, it is used
Proton exchange membrane has two sides, wherein the upper coated with protective film of one side is known as the face B, the non-pasting protective film of another side is known as the face A, including such as
Lower step:
S1, the first Catalytic Layer is coated in the face A of proton exchange membrane；
S2, the first Catalytic Layer is toasted using the first predetermined temperature；
S3, protective film on the face proton exchange membrane B is thrown off；
S4, the face A of proton exchange membrane is sucked with adsorbent equipment；
S5, the second Catalytic Layer is coated in the face B of proton exchange membrane；
State is sucked to the face proton exchange membrane A in S6, holding, is toasted to obtain to the second Catalytic Layer using the second predetermined temperature
CCM membrane electrode.
As improvement of the present invention, the step of the face A of adsorbent equipment absorption proton exchange membrane are as follows:
S31, the preset distance before layer is urged in the face the B coating second to proton exchange membrane, adsorbent equipment start to adsorb proton exchange
The face A of film；
S32, adsorbed state is kept, layer is urged in coating second in the face B of proton exchange membrane；
S33, continue to keep suction state, urge layer to be dried to second, until drying terminates.
As improvement of the present invention, the preset distance selects between 5-30CM.
As improvement of the present invention, first predetermined temperature selects between 70 degrees Celsius -150 degrees Celsius.
As improvement of the present invention, second predetermined temperature selects between 70 degrees Celsius -150 degrees Celsius.
The present invention also provides a kind of absorption coating apparatus of hydrogen fuel cell CCM membrane electrode, are suitable for roll-to-roll coating,
Include:
Unreeling structure, for releasing proton exchange membrane, wherein proton exchange membrane has two sides, wherein the upper coated with protective film of one side claims
For the face B, the non-pasting protective film of another side is known as the face A；
First coating head, for being coated with the first Catalytic Layer in the face A of proton exchange membrane；
First baking box toasts the first Catalytic Layer using the first predetermined temperature；
Protective film rolling-up mechanism, the protective film that the face B for collecting from proton exchange membrane is stripped out；
The face A for preparing the proton exchange membrane of the second Catalytic Layer of coating is sucked adsorbent equipment；
Second coating head is coated with the second Catalytic Layer in the face B of proton exchange membrane；
Second baking box keeps toasting the second Catalytic Layer under adsorbed state using the second predetermined temperature in adsorbent equipment；
The baking of second baking box terminates, and adsorbent equipment releases the absorption to proton exchange membrane；
Rolling-up mechanism winds CCM membrane electrode.
As improvement of the present invention, the adsorbent equipment includes absorption rotating belt, and the absorption rotating belt is by several pieces
Adsorption plate is connected in series, and every piece of adsorption plate is equipped with several vacuum holes, and the absorption rotating belt is done under the driving of swing mechanism
Loopy moving；On the one hand main vacuum tube, main vacuum tube are connect with extraneous vacuum source, on the other hand by several points of vacuum tubes and very
Empty slot connection, the adsorption plate are located on vacuum tank, the vacuum hole when adsorption plate passes through vacuum tank region, on adsorption plate
It is communicated with vacuum tank, and adsorbs proton exchange membrane, moved with proton exchange membrane into the second baking box.
As improvement of the present invention, the initial position of the adsorption plate absorption is located at the pre- spacing before the second coating head
From.
As improvement of the present invention, the preset distance selects between 5-30CM.
As improvement of the present invention, first predetermined temperature and second predetermined temperature are taken the photograph at 70 degree Celsius -150
It is selected between family name's degree.
The present invention adsorbs proton exchange membrane due to using adsorption method, when being coated with the face B of proton exchange membrane,
The width of proton exchange membrane is relatively motionless, in this way, even if after the second Catalytic Layer is coated in the face B of proton exchange membrane, due to absorption
Device adsorbs proton exchange membrane motionless, and keeps adsorbing motionless state and toasts into the second baking box, so that proton exchange
Film will not generate the generation of the phenomenon that fold.
Detailed description of the invention
Fig. 1 is a kind of frame structure schematic diagram of embodiment of method of the invention.
Fig. 2 is the frame structure schematic diagram of third step in Fig. 1 further refined.
Fig. 3 is the structural schematic diagram of the first embodiment of present device.
Fig. 4 is the enlarged structure schematic diagram of the adsorbent equipment in Fig. 3.
Fig. 5 is the overlooking structure diagram of Fig. 4.
Fig. 6 is the structural schematic diagram of second of embodiment of present device.
Fig. 7 is the structural schematic diagram of the third embodiment of present device.
Fig. 8 is the rotary motion structural schematic diagram of the adsorption plate in Fig. 7.
Specific embodiment
Referring to Figure 1, what Fig. 1 was disclosed is a kind of absorption coating method of hydrogen fuel cell CCM membrane electrode, used matter
Proton exchange has two sides, wherein the upper coated with protective film of one side is known as the face B, the non-pasting protective film of another side is known as the face A, including as follows
Step:
S1, proton exchange membrane the face A be coated with the first Catalytic Layer, the first Catalytic Layer can be it is as the main component with Pt/C, it is molten
Agent is the Catalytic Layer of alcohols material, and the alcohols material can be one or more of methanol, ethyl alcohol, propyl alcohol and isopropanol；
S2, the first Catalytic Layer is toasted using the first predetermined temperature, first predetermined temperature can be at 70 degrees Celsius extremely
It is selected between 150 degree, depending on the composition of the first Catalytic Layer of selection gist of actual temp；
S3, protective film on the face proton exchange membrane B is thrown off, shows out the B of proton exchange membrane；
S4, the face A of proton exchange membrane is sucked with adsorbent equipment, the width for being mainly to maintain proton exchange membrane is constant；
S5, proton exchange membrane the face B be coated with the second Catalytic Layer, the second Catalytic Layer can be it is as the main component with Pt/C, it is molten
Agent is the Catalytic Layer of alcohols material, and the alcohols material can be one or more of methanol, ethyl alcohol, propyl alcohol and isopropanol；
State is sucked to the face proton exchange membrane A in S6, holding, is toasted using the second predetermined temperature to the second Catalytic Layer, dries
After roasting, the absorption to the face proton exchange membrane A is released, obtains CCM membrane electrode, second predetermined temperature can be Celsius 70
Degree is to selecting between 150 degree, depending on the composition of the first Catalytic Layer of selection gist of actual temp.
Fig. 2 is referred to, the step of the face A of the adsorbent equipment absorption proton exchange membrane are as follows:
S31, the preset distance before layer is urged in the face the B coating second to proton exchange membrane, adsorbent equipment start to adsorb proton exchange
The face A of film, the preset distance can select between 5-30CM；
S32, adsorbed state is kept, layer is urged in coating second in the face B of proton exchange membrane；
S33, continue to keep suction state, urge layer to be dried to second, until drying terminates.
Referring to Fig. 3-Fig. 5, what Fig. 3-Fig. 5 was prompted is a kind of absorption coating apparatus of hydrogen fuel cell CCM membrane electrode, is suitble to
In roll-to-roll coating, comprising:
Unreeling structure 1, for releasing proton exchange membrane 11, wherein proton exchange membrane has two sides, and protection is wherein posted in one side
Film is known as the face B, and the non-pasting protective film of another side is known as the face A；
First coating head 2, for being coated with the first Catalytic Layer 12 in the face A of proton exchange membrane 11, first Catalytic Layer 12 can be with
Be it is as the main component with Pt/C, solvent is the Catalytic Layer of alcohols material, and the alcohols material can be methanol, ethyl alcohol, propyl alcohol
And one or more of isopropanol；
First baking box 3 toasts the first Catalytic Layer 12 using the first predetermined temperature, and first predetermined temperature can be
It is selected between 70 degrees Celsius -150 degrees Celsius, depending on actual temp is according to the composition of the first Catalytic Layer；
Protective film rolling-up mechanism 4, the protective film 13 that the face B for collecting from proton exchange membrane 11 is stripped out expose proton and hand over
Change the face B of film 11；
The face A for preparing the proton exchange membrane of the second Catalytic Layer 14 of coating is sucked adsorbent equipment 5；
Second coating head 6 is coated with the second Catalytic Layer 14 in the face B of proton exchange membrane；
Second baking box 7 keeps drying the second Catalytic Layer 14 under adsorbed state using the second predetermined temperature in adsorbent equipment 5
It is roasting；The baking of second baking box 7 terminates, and adsorbent equipment 5 releases the absorption to proton exchange membrane；Second predetermined temperature can be
It is selected between 70 degrees Celsius -150 degrees Celsius, depending on actual temp is according to the composition of the second Catalytic Layer；
Rolling-up mechanism 8 winds CCM membrane electrode.
Preferably, the adsorbent equipment 5 includes absorption rotating belt 51, and the absorption rotating belt 51 is by several pieces of adsorption plates
511 are connected in series, and every piece of adsorption plate 511 is equipped with several vacuum holes 512, and the absorption rotating belt 51 is in swing mechanism 52(sheet
Swing mechanism 52 is made of four gears 521 in embodiment, and Fig. 5 is seen in each one of front, rear, left and right) driving under recycle
It is mobile；Main vacuum tube 53, main 53 one side of vacuum tube are connect with extraneous vacuum source, on the other hand pass through several points of vacuum tubes 531
It being connect with vacuum tank 54, the adsorption plate 511 is located on vacuum tank 54, when adsorption plate 511 is by 54 region of vacuum tank,
Vacuum hole 512 on adsorption plate 511 is communicated with vacuum tank 54, and adsorbs proton exchange membrane 11, with proton exchange membrane 11 to
It is moved in second baking box 7.
Preferably, the initial position that the adsorption plate 511 adsorbs is located at the preset distance before the second coating head 6；It is described
Preset distance selects between 5-30CM.In this manner it is ensured that by 11 phase of proton exchange membrane before being coated with the second Catalytic Layer 14
To positioning.
Fig. 6 is referred to, Fig. 6 is the structural schematic diagram of second of embodiment of present device.Embodiment illustrated in fig. 6 and figure
3 illustrated embodiments are compared, and general structure is identical, except that 5 structure of the adsorbent equipment is not identical, in the present embodiment,
The adsorbent equipment 5 includes absorption rotating belt 51, and the absorption rotating belt 51 is connected in series by several pieces of adsorption plates 511, and every piece
Adsorption plate 511 is equipped with several vacuum holes 512, and the absorption rotating belt 51 does loopy moving under the driving of swing mechanism 52,
The swing mechanism 52 is made of eight gears 521, each gear 521 in the front, rear, left and right on upper layer, lower layer it is forward and backward,
Left and right each gear 521, constitutes a frame shape revolving structure；Main vacuum tube 53, main 53 one side of vacuum tube and extraneous vacuum
Source connection, is on the other hand connect by several points of vacuum tubes 531 with vacuum tank 54, and the adsorption plate 511 is located on vacuum tank 54,
When adsorption plate 511 is by 54 region of vacuum tank, the vacuum hole 512 on adsorption plate 511 is communicated with vacuum tank 54, and is adsorbed
Firmly proton exchange membrane 11 are moved with proton exchange membrane 11 into the second baking box 7.
Referring to figs. 7 and 8, Fig. 7 and Fig. 8 is the structural schematic diagram of the third embodiment of present device.Fig. 7 and Fig. 8
For illustrated embodiment compared with embodiment illustrated in fig. 3, general structure is identical, except that 5 structure of the adsorbent equipment not phase
Together, in the present embodiment, the adsorbent equipment 5 includes absorption rotating belt 51, and the absorption rotating belt 51 is by several pieces of adsorption plates 511
Adjoining forms, and every piece of adsorption plate 511 is equipped with several vacuum holes 512, and the adsorption plate 511 is in the first driving mechanism 5111, the
Under the driving of two driving mechanisms 5112, third driving mechanism 5113 and the 4th driving mechanism 5114, followed on a horizontal plane
Ring is mobile, and main vacuum tube 53, main 53 one side of vacuum tube is connect with extraneous vacuum source, on the other hand passes through several points of vacuum tubes
531 connect with vacuum tank 54, and the adsorption plate 511 is located on vacuum tank 54, when adsorption plate 511 passes through 54 region of vacuum tank
When, the vacuum hole 512 on adsorption plate 511 is communicated with vacuum tank 54, and adsorbs proton exchange membrane 11, with proton exchange membrane 11
It is moved into the second baking box 7.
First driving mechanism 5111, the second driving mechanism 5112, third driving mechanism 5113 and the 4th driving mechanism
5114 be straight line driving mechanism.
Claims (5)
1. a kind of absorption coating method of hydrogen fuel cell CCM membrane electrode, used proton exchange membrane has two sides, wherein one
Coated with protective film is known as the face B on face, and the non-pasting protective film of another side is known as the face A, characterized by the following steps:
S1, the first Catalytic Layer is coated in the face A of proton exchange membrane；
S2, the first Catalytic Layer is toasted using the first predetermined temperature；
S3, protective film on the face proton exchange membrane B is thrown off；
S4, the face A of proton exchange membrane is sucked with adsorbent equipment；
S5, the second Catalytic Layer is coated in the face B of proton exchange membrane；
State is sucked to the face proton exchange membrane A in S6, holding, is toasted to obtain to the second Catalytic Layer using the second predetermined temperature
CCM membrane electrode.
2. the absorption coating method of hydrogen fuel cell CCM membrane electrode according to claim 1, it is characterised in that: the suction
Adsorption device adsorbs the step of face A of proton exchange membrane are as follows:
S31, the preset distance before layer is urged in the face the B coating second to proton exchange membrane, adsorbent equipment start to adsorb proton exchange
The face A of film；
S32, adsorbed state is kept, layer is urged in coating second in the face B of proton exchange membrane；
S33, continue to keep suction state, urge layer to be dried to second, until drying terminates.
3. the absorption coating method of hydrogen fuel cell CCM membrane electrode according to claim 2, it is characterised in that: described pre-
Set a distance selects between 5-30CM.
4. the absorption coating method of hydrogen fuel cell CCM membrane electrode according to claim 1 or 2 or 3, it is characterised in that:
First predetermined temperature selects between 70 degrees Celsius -150 degrees Celsius.
5. the absorption coating method of hydrogen fuel cell CCM membrane electrode according to claim 1 or 2 or 3, it is characterised in that:
Second predetermined temperature selects between 70 degrees Celsius -150 degrees Celsius.
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| CN201910631246.1A CN110350208B (en) | 2019-07-12 | 2019-07-12 | Adsorption coating method for CCM membrane electrode of hydrogen fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910631246.1A CN110350208B (en) | 2019-07-12 | 2019-07-12 | Adsorption coating method for CCM membrane electrode of hydrogen fuel cell |
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| CN110350208B CN110350208B (en) | 2023-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082110A (en) * | 2019-12-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Method and equipment for manufacturing membrane electrode of fuel cell |
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| JP2015220185A (en) * | 2014-05-20 | 2015-12-07 | 日産自動車株式会社 | Device and method for manufacturing membrane electrode assembly |
| CN106784944A (en) * | 2016-12-29 | 2017-05-31 | 南京大学昆山创新研究院 | A kind of preparation technology of hydrogen fuel cell membrane electrode |
| CN109088073A (en) * | 2018-07-13 | 2018-12-25 | 东莞众创新能源科技有限公司 | Proton Exchange Membrane Fuel Cells ccm membrane electrode and preparation method thereof |
| CN109585859A (en) * | 2018-10-08 | 2019-04-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of preparation method of film electrode component of proton exchange film fuel battery |
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- 2019-07-12 CN CN201910631246.1A patent/CN110350208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015220185A (en) * | 2014-05-20 | 2015-12-07 | 日産自動車株式会社 | Device and method for manufacturing membrane electrode assembly |
| CN106784944A (en) * | 2016-12-29 | 2017-05-31 | 南京大学昆山创新研究院 | A kind of preparation technology of hydrogen fuel cell membrane electrode |
| CN109088073A (en) * | 2018-07-13 | 2018-12-25 | 东莞众创新能源科技有限公司 | Proton Exchange Membrane Fuel Cells ccm membrane electrode and preparation method thereof |
| CN109585859A (en) * | 2018-10-08 | 2019-04-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of preparation method of film electrode component of proton exchange film fuel battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111082110A (en) * | 2019-12-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Method and equipment for manufacturing membrane electrode of fuel cell |
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