CN111009668A - Film electrode frame attaching method and attaching device - Google Patents
Film electrode frame attaching method and attaching device Download PDFInfo
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- CN111009668A CN111009668A CN201911344790.4A CN201911344790A CN111009668A CN 111009668 A CN111009668 A CN 111009668A CN 201911344790 A CN201911344790 A CN 201911344790A CN 111009668 A CN111009668 A CN 111009668A
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- film
- membrane electrode
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- frame
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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]
-
- 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
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- 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
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0286—Processes for forming seals
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field of fuel cells, and discloses a membrane electrode frame attaching method and a membrane electrode frame attaching device, which comprise a lower frame membrane is transferred to a feeding station; transferring a membrane electrode to the feeding station and stacking the membrane electrode on the lower frame membrane so that the membrane electrode is aligned with the lower frame membrane; transferring an upper frame film to the feeding station and stacking the upper frame film on the film electrode to enable the upper frame film to be aligned with the film electrode; vacuum adsorption is carried out on one sides of the lower frame membrane and the membrane electrode, which are far away from the upper frame membrane, and vacuum adsorption is carried out on one sides of the upper frame membrane, which are far away from the upper frame membrane; and mutually attaching the stacked lower frame film, the membrane electrode and the upper frame film. The invention can prevent bubbles from being formed among the lower frame film, the membrane electrode and the upper frame film after being attached.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a membrane electrode frame attaching method and a membrane electrode frame attaching device.
Background
The membrane electrode assembly is a power generation component of a proton exchange membrane fuel cell and is one of core components of the fuel cell. The sealing performance and sealing stability of the frame of the membrane electrode are one of the main factors affecting the performance and service life of the membrane electrode assembly. At present, the membrane electrode is mainly attached to the upper frame membrane and the lower frame membrane manually, the upper frame membrane and the lower frame membrane are attached to the membrane electrode manually, defects exist, bubbles are prone to being generated among the upper frame membrane, the lower frame membrane and the membrane electrode in the attaching process, the sealing performance of the upper frame membrane and the lower frame membrane among the membrane electrode can be affected, and the yield is low.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a film electrode frame attaching method and a film electrode frame attaching device, and solves the technical problem that bubble residues are easily generated when an upper frame film and a lower frame film are attached to a film electrode manually in the prior art.
In order to achieve the above technical object, a technical solution of the present invention provides a method for attaching a frame of a film electrode, including:
transferring the lower frame film to a laminating station;
transferring a membrane electrode to the attaching station and stacking the membrane electrode on the lower frame membrane so that the membrane electrode is aligned with the lower frame membrane;
transferring an upper frame film to the attaching station and stacking the upper frame film on the film electrode to enable the upper frame film to be aligned with the film electrode;
vacuumizing the laminating stations where the upper frame film, the membrane electrode and the lower frame film are positioned to a specified vacuum degree;
and mutually attaching the stacked lower frame film, the membrane electrode and the upper frame film.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, when the lower frame film, the membrane electrode and the upper frame film are bonded, the bonding station is vacuumized, so that gas is not easy to remain among the lower frame film, the membrane electrode and the upper frame film, and gas can be prevented from remaining among the lower frame film, the membrane electrode and the upper frame film to form bubbles during bonding.
Drawings
FIG. 1 is a three-dimensional schematic view of a lower frame film, a membrane electrode, and an upper frame film bonded in accordance with the present invention;
FIG. 2 is a schematic structural view of a lower frame film, a membrane electrode and an upper frame film bonded in the present invention;
FIG. 3 is a schematic structural diagram of the upper frame film, the membrane electrode, the lower frame film, the vacuum cover, the lower hot press plate, the upper hot press plate and the jacking assembly during operation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a film electrode frame attaching method, as shown in figures 1, 2 and 3, comprising the following steps:
transferring the lower frame film a to a laminating station;
transferring the membrane electrode b to the attaching station and stacking the membrane electrode b on the lower frame membrane a to enable the membrane electrode b to be aligned with the lower frame membrane a;
transferring the upper frame film c to the attaching station and stacking the upper frame film c on the membrane electrode b to enable the upper frame film c to be aligned with the membrane electrode b;
vacuumizing the laminating stations where the upper frame film c, the membrane electrode b and the lower frame film a are positioned to a specified vacuum degree;
and (3) mutually attaching the stacked lower frame film a, the membrane electrode b and the upper frame film c.
The invention also provides a membrane electrode frame attaching device, which is characterized by comprising:
a vacuum cover d, wherein a first vacuum cavity is formed in the vacuum cover d;
the lower hot pressing plate e is arranged in the first vacuum cavity;
the upper hot pressing plate f is arranged in the first vacuum cavity relative to the lower hot pressing plate e, and one end, close to the lower hot pressing plate e, of the upper hot pressing plate f is inwards sunken to form at least one fixing blind hole;
at least one top tight subassembly g, top tight subassembly g with fixed blind hole one-to-one sets up, and each top tight subassembly g includes a top tight post g1, a spring g2, and top tight post g1 slidable inserts and locates fixed blind hole, place in of spring g2 fixed blind hole, spring g 2's one end connect in fixed blind hole's the inner wall other end is connected in top tight post g 1.
For further understanding of the present invention, the following examples are given to illustrate specific processes for preparing the present invention.
The first embodiment is as follows:
the invention provides a film electrode frame attaching method, as shown in figures 1, 2 and 3, comprising the following steps:
cutting the periphery of the upper frame film c, the lower frame film a and the membrane electrode b according to the design size under the vacuum adsorption state, and cutting a hollow area corresponding to the active area of the membrane electrode b at the centers of the upper frame film c and the lower frame film a;
transferring the lower frame film a with the first protection film to the attaching station, enabling the first protection film to face upwards, and then stripping the first protection film;
transferring the membrane electrode b to the attaching station and stacking the membrane electrode b on the lower frame membrane a to enable the membrane electrode b to be aligned with the lower frame membrane a;
the upper frame film c is provided with a second protective film, the second protective film is arranged downwards relative to the upper frame film c, the second protective film is torn off, and then the upper frame film c is transferred to the attaching station and stacked on the membrane electrode b, so that the upper frame film c is aligned with the membrane electrode b;
vacuumizing the laminating stations where the upper frame film c, the membrane electrode b and the lower frame film a are positioned to a specified vacuum degree;
the stacked lower frame membrane a, the membrane electrode b and the upper frame membrane c are mutually attached;
and heating and pressurizing the lower frame film a, the membrane electrode b and the upper frame film c which are jointed, and keeping the temperature and the pressure for a certain time to ensure that the lower frame film a, the membrane electrode b and the upper frame film c are jointed with each other.
Preferably, in the step of bonding the stacked lower frame film a, membrane electrode b, and upper frame film c to each other, the lower frame film a, membrane electrode b, and upper frame film c are bonded by hot pressing.
Preferably, the lower frame film a, the membrane electrode b and the upper frame film c are loaded in a vacuum adsorption mode in the loading process.
The lower frame membrane a, the membrane electrode b and the upper frame membrane c are fed in a vacuum adsorption mode, and vacuum adsorption force uniformly acts on each position of the lower frame membrane a, the membrane electrode b and the upper frame membrane c, so that distortion and wrinkles can be effectively prevented from occurring in the feeding process of the lower frame membrane a, the membrane electrode b and the upper frame membrane c.
Preferably, the bottoms of the lower frame membrane a and the membrane electrode b are adsorbed and fixed on the attaching station in a vacuum adsorption mode.
The lower frame membrane a and the membrane electrode b can be effectively fixed in a vacuum adsorption mode, the lower frame membrane a and the membrane electrode b can be prevented from moving in the laminating process and can be effectively paved, the lower frame membrane a and the membrane electrode b are prevented from tilting, and the lower frame membrane a, the membrane electrode b and the upper frame membrane c are prevented from being distorted in the laminating process.
Preferably, before the lamination, the lower frame film a, the membrane electrode b and the upper frame film c are pre-pressed, and the pre-pressing points are located outside the lamination area to prevent the pre-pressing points from interfering with the lamination area.
Specifically, one side of an upper frame film c, a lower frame film a and a membrane electrode b is subjected to vacuum adsorption through a porous plate, so that the upper frame film c, the lower frame film a and the membrane electrode b are in a flat state, then the upper frame film c, the lower frame film a and the membrane electrode b are cut, and the upper frame film c, the lower frame film a and the membrane electrode b cannot be bent or curled due to constraint of vacuum adsorption force during cutting; and a first protective film is adhered to one side of the lower frame film a, a second protective film is adhered to one side of the upper frame film c, a vacuum adsorption surface is arranged on one side, away from the first protective film, of the lower frame film a, and a vacuum adsorption surface is arranged on one side, away from the upper frame film c, of the second protective film.
After cutting, the lower frame film a, the upper frame film c and the membrane electrode b are transferred to the laminating station through a vacuum adsorption type manipulator, at the moment, one side, away from the lower frame film a, of the first protection film is a vacuum adsorption surface, and one side, away from the second protection film, of the upper frame film c is a vacuum adsorption surface.
Transferring the lower frame film a with the first protection film to a bonding station through a vacuum adsorption type mechanical arm on the bonding station, enabling the first protection film to face upwards, adsorbing one side, away from the first protection film, of the lower frame film a in a vacuum adsorption mode, then loosening the vacuum adsorption type mechanical arm, and stripping the first protection film;
transferring the membrane electrode b to the laminating station through a vacuum adsorption type manipulator, stacking the membrane electrode b on the lower frame membrane a, aligning the membrane electrode b with the lower frame membrane a, and adsorbing the membrane electrode b in a vacuum adsorption mode;
adsorbing an upper frame film c with a second protective film by a vacuum adsorption type manipulator, wherein one side, away from the second protective film, of the upper frame film c is a vacuum adsorption surface, the second protective film faces downwards, and after the second protective film is peeled off, the upper frame film c is stacked on a membrane electrode b, so that the upper frame film c is aligned with the membrane electrode b;
and (4) after the lamination is finished, removing all vacuum adsorption, and taking down the laminated lower frame film a, the laminated membrane electrode b and the laminated upper frame film c.
Lower frame membrane a, membrane electrode b, last frame membrane c all are in the vacuum adsorption state from the in-process of cutting, shifting, laminating, can prevent that distortion and fold appear at the in-process of cutting, shifting, laminating processing in lower frame membrane a, membrane electrode b, last frame membrane c, and omnidirectional protection prevents that the bubble from remaining the effect obvious.
The invention also provides a membrane electrode frame attaching device, which is characterized by comprising:
a vacuum cover d, wherein a first vacuum cavity is formed in the vacuum cover d;
preferably, the vacuum cover d includes a fixed seat d1 and a cover body d2, one end of the cover body d2 is open and a first vacuum chamber is formed inside the cover body d 3526, and the open end of the cover body d2 is covered on the fixed seat d 1; preferably, the cover body d2 and the fixing seat d1 are connected in a sealing manner, and the sealing connection manner can be glue sealing, sealing ring sealing and the like.
The lower hot pressing plate e is arranged in the first vacuum cavity;
the upper hot pressing plate f is arranged opposite to the upper end face of the lower hot pressing plate e and is arranged in the first vacuum cavity, and one end, close to the lower hot pressing plate e, of the upper hot pressing plate f is inwards sunken to form at least one fixing blind hole;
at least one tight subassembly g in top, the tight subassembly g in top with fixed blind hole one-to-one sets up, each tight subassembly g in top includes a tight post g1 in top, a spring g2, and the tight post g1 in top slidable inserts and locates fixed blind hole, place in of spring g2 fixed blind hole, spring g 2's one end connect in the inner wall other end of fixed blind hole is connected in the tight post g1 in top, and the quantity of the tight subassembly g in top can be one, two, three, four etc. preferably, and the quantity of the tight subassembly g in top is four, and four tight subassembly g in top are four angle settings of hot pressboard e relatively respectively.
Preferably, the upper hot pressing plate f and the lower hot pressing plate e are disposed on the fixing seat d1, and one end of the upper hot pressing plate f close to the lower hot pressing plate e is recessed inwards to form a cavity corresponding to the active region of the membrane electrode b.
By arranging the concave cavity, the upper hot-pressing plate f can be prevented from hot-pressing the active area of the membrane electrode b, and the pressure is prevented from damaging the active area of the membrane electrode b.
Preferably, a second vacuum cavity is formed in the lower hot pressing plate e, one end of the lower hot pressing plate e, which is close to the upper hot pressing plate f, is recessed inwards to form a plurality of fixing holes, and the fixing holes are communicated with the second vacuum cavity.
Through the arrangement of the second vacuum cavity and the fixing holes, negative pressure suction can be provided for the membrane electrode b and the lower frame membrane a, and the membrane electrode b and the lower frame membrane a can be fixed.
When the lower frame film a, the membrane electrode b and the upper frame film c are attached through the attaching device, the lower frame film a, the membrane electrode b and the upper frame film c are sequentially stacked on the lower hot pressing plate e, the cover body d2 is vacuumized to a specified vacuum degree, then the upper hot pressing plate f is controlled to drive the jacking component g to press downwards, the jacking columns g1 are abutted to four corners of the upper frame film c, and the jacking columns g1 compress the spring g2 along with continuous pressing of the upper hot pressing plate f, so that the jacking columns g1 retract into the fixed blind holes, and the jacking columns g1 realize prepressing of the lower frame film a, the membrane electrode b and the upper frame film c and prevent the lower frame film a, the membrane electrode b and the upper frame film c from moving in the attaching process; and the lower hot pressing plate e and the upper hot pressing plate f simultaneously heat the lower frame film a, the membrane electrode b and the upper frame film c, so that the lower frame film a, the membrane electrode b and the upper frame film c are mutually attached, and after the attachment is finished for a certain time, the temperature is kept for a period of time, and the attachment of the lower frame film a, the membrane electrode b and the upper frame film c is finished.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A method for attaching a frame of a film electrode, comprising:
transferring the lower frame film to a laminating station;
transferring a membrane electrode to the attaching station and stacking the membrane electrode on the lower frame membrane so that the membrane electrode is aligned with the lower frame membrane;
transferring an upper frame film to the attaching station and stacking the upper frame film on the film electrode to enable the upper frame film to be aligned with the film electrode;
vacuumizing the laminating stations where the upper frame film, the membrane electrode and the lower frame film are positioned to a specified vacuum degree;
and mutually attaching the stacked lower frame film, the membrane electrode and the upper frame film.
2. The method for attaching a membrane electrode frame according to claim 1, wherein, before the step of transferring the lower frame film to the loading station, the upper frame film, the lower frame film and the membrane electrode are cut all around according to a design size, and a hollow area corresponding to an active area of the membrane electrode is cut in the center of the upper frame film and the lower frame film.
3. The method of claim 1, wherein in the step of transferring the lower frame film to the bonding station, the lower frame film with the first protective film is transferred to the bonding station with the first protective film facing upward, and then the first protective film is peeled off.
4. The membrane electrode frame attaching method according to claim 1, wherein in the step of transferring the top frame film to the attaching station and stacking it on the membrane electrode so that the top frame film is aligned with the membrane electrode, the top frame film is provided with a second protective film so that the second protective film is disposed downward with respect to the top frame film, the second protective film is peeled off, and then the top frame film is transferred to the attaching station and stacking it on the membrane electrode.
5. The membrane electrode frame attaching method according to claim 1, wherein after the step of attaching the stacked lower frame membrane, membrane electrode, and upper frame membrane to each other, the attached lower frame membrane, membrane electrode, and upper frame membrane are heated and pressurized, and then kept at the same temperature and pressure for a certain time, so that the lower frame membrane, membrane electrode, and upper frame membrane are completely attached.
6. A membrane electrode frame attaching method according to claim 1, wherein in the step of attaching the lower frame membrane, the membrane electrode, and the upper frame membrane to each other in a stacked state, the lower frame membrane, the membrane electrode, and the upper frame membrane are attached by hot pressing.
7. The method for attaching the frame of a membrane electrode according to claim 1, wherein the lower frame film, the membrane electrode and the upper frame film are loaded in a vacuum adsorption mode in the process of transferring to the attaching station.
8. The utility model provides a membrane electrode frame laminating device which characterized in that includes:
the vacuum cover is internally provided with a first vacuum cavity;
the lower hot pressing plate is arranged in the first vacuum cavity;
the upper hot pressing plate is arranged in the first vacuum cavity relative to the lower hot pressing plate, and one end, close to the lower hot pressing plate, of the upper hot pressing plate is inwards recessed to form at least one fixing blind hole;
at least one tight subassembly in top, the tight subassembly in top with fixed blind hole one-to-one sets up, each the tight subassembly in top includes a tight post in top, a spring, the tight post in top slidable inserts and locates fixed blind hole, place in of spring fixed blind hole, the one end of spring connect in the inner wall other end of fixed blind hole connect in the tight post in top.
9. The membrane electrode frame attaching device according to claim 8, wherein one end of the upper hot press plate close to the lower hot press plate is recessed inward to form a cavity.
10. The membrane electrode frame attaching device according to claim 8, wherein a second vacuum chamber is formed in the lower hot press plate, and a plurality of fixing holes are formed in an end of the lower hot press plate close to the upper hot press plate and recessed inwards, and the fixing holes are communicated with the second vacuum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344790.4A CN111009668A (en) | 2019-12-23 | 2019-12-23 | Film electrode frame attaching method and attaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344790.4A CN111009668A (en) | 2019-12-23 | 2019-12-23 | Film electrode frame attaching method and attaching device |
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| CN111009668A true CN111009668A (en) | 2020-04-14 |
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| CN201911344790.4A Pending CN111009668A (en) | 2019-12-23 | 2019-12-23 | Film electrode frame attaching method and attaching device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755726A (en) * | 2020-07-10 | 2020-10-09 | 山东魔方新能源科技有限公司 | Preparation method of membrane electrode, membrane electrode and fuel cell |
| CN111755723A (en) * | 2020-06-01 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Device for preparing membrane electrode frame of fuel cell |
| CN112223878A (en) * | 2020-09-08 | 2021-01-15 | 无锡先导智能装备股份有限公司 | CCM laminating device |
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| CN109216724A (en) * | 2018-08-13 | 2019-01-15 | 中机国际工程设计研究院有限责任公司 | Fuel cell membrane electrode laminating apparatus and applying method |
| CN109792067A (en) * | 2016-09-30 | 2019-05-21 | 可隆工业株式会社 | The preparation method of membrane-membrane electrode for fuel cell component |
| CN110492156A (en) * | 2019-07-29 | 2019-11-22 | 武汉中极氢能产业创新中心有限公司 | A kind of fuel cell membrane electrode frame laminating apparatus and method |
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| CN109792067A (en) * | 2016-09-30 | 2019-05-21 | 可隆工业株式会社 | The preparation method of membrane-membrane electrode for fuel cell component |
| CN108461794A (en) * | 2018-01-29 | 2018-08-28 | 中国东方电气集团有限公司 | The producing device of proton film unit and proton film unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111755723A (en) * | 2020-06-01 | 2020-10-09 | 无锡先导智能装备股份有限公司 | Device for preparing membrane electrode frame of fuel cell |
| CN111755723B (en) * | 2020-06-01 | 2023-02-17 | 江苏氢导智能装备有限公司 | Device for preparing membrane electrode frame of fuel cell |
| CN111755726A (en) * | 2020-07-10 | 2020-10-09 | 山东魔方新能源科技有限公司 | Preparation method of membrane electrode, membrane electrode and fuel cell |
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| CN112223878A (en) * | 2020-09-08 | 2021-01-15 | 无锡先导智能装备股份有限公司 | CCM laminating device |
| CN112223878B (en) * | 2020-09-08 | 2023-07-14 | 江苏氢导智能装备有限公司 | CCM laminating device |
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