CN201514972U - Device for clamping electrolyte membrane in preparation of membrane electrolyte assembly of fuel cell - Google Patents
Device for clamping electrolyte membrane in preparation of membrane electrolyte assembly of fuel cell Download PDFInfo
- Publication number
- CN201514972U CN201514972U CN2009202693428U CN200920269342U CN201514972U CN 201514972 U CN201514972 U CN 201514972U CN 2009202693428 U CN2009202693428 U CN 2009202693428U CN 200920269342 U CN200920269342 U CN 200920269342U CN 201514972 U CN201514972 U CN 201514972U
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- Prior art keywords
- groove
- clamping
- screw
- fixture block
- dielectric film
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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
The utility model relates to a device for clamping an electrolyte membrane in the preparation of membrane electrolyte assembly of a fuel cell. The device comprises clamp plates, an outer frame, clamp splices and screw rods; a groove and screw holes are formed on each clamp splice; a clamping device is arranged in each groove; the screw rods are arranged in the screw holes; the outer frame is quadrangular, and strip-shaped through-hole grooves are formed on the side surfaces of a group of opposite edge frames thereof; a group of opposite edges of the two clamp plates are respectively arranged in the grooves of the two clamp splices and clamped via the clamping devices in the grooves; and the two ends of the screw rods on the clamp splices pass through the strip-shaped through-hole grooves on the group of opposite edge frames of the outer frame, and are fastened through nuts. The utility model has the beneficial effects that the electrolyte membrane is prevented from deformation due to the infiltration and percolation of solution when being prepared, thereby resulting in good stability; when catalyst is sprayed on the two sides of the electrolyte membrane, the overturning operation is easier; the periphery of the prepared membrane electrode is more regular; and a plurality of membrane electrodes can be prepared at one time, thereby improving the production efficiency, and providing reliable equipment guarantee for mass production of membrane electrodes.
Description
Technical field
Utility model relates to the fuel cell membrane electrode technology of preparing, relates in particular to the servicing unit in the fuel cell membrane electrode preparation process.
Background technology
The preparation method of fuel cell membrane electrode (MEA) can reduce two classes: a class is that pole catalyze layer is prepared on gas diffusion layers, then gas-diffusion electrode and dielectric film hot pressing is formed MEA; Another kind of, directly electrode catalyst is prepared on the dielectric film, form the dielectric film that catalyst covers, again with diffusion layer be pressed into MEA, the dielectric film that catalyst covers is called CCM.
The method that electrode catalyst directly is prepared on the dielectric film is useful multiple, as spraying, blade coating, silk screen printing etc.Be equipped with membrane electrode in order to the top legal system, in preparation process, need guarantee dielectric film stablizing in preparation process, otherwise easy generation fold, generation moved in preparation process, will cause catalyst cupport inhomogeneous, influence results such as performance.In the prior art, electrode catalyst directly being prepared in the preparation process on the dielectric film, is to guarantee dielectric film stable in preparation process, adopts the coating of carrying out catalyst after with two clamping plates dielectric film being clamped usually.The shortcoming of this method is to be difficult to guarantee dielectric film stablizing in preparation process.Application number is the patented technology of CN200710025554.7, be the fold of controlling diaphragm and the problem that easily moves, disclose just that dielectric film is carried on the micropore flat board, set up negative pressure, film has been adsorbed in the method for micropore planar surface with negative pressure at the dull and stereotyped back side of micropore.The deficiency of this method is to need a cover to set up means for applying negative, increases manufacturing cost, and operation is also complicated.
Summary of the invention
The purpose of this utility model provides a kind of simple to operate, flexible, good reproducibility, workable grip device.
Technical solution of the present utility model is: a kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses, the clamping plate that comprise two block frame formula clamping dielectric films, dielectric film is sandwiched in the middle of the two clamping plates, the device that it is characterized in that the clamping dielectric film that described preparation fuel cell membrane electrode is used, also comprise housing, fixture block and screw rod, described fixture block is one group by two bar blocks and constitutes, have groove along its length on the side of every bar blocks, groove connects the two ends of whole bar blocks length direction side, be provided with clamping device in the groove, the position of not offering groove of bar blocks, offer the screw that connects bar blocks length, screw rod is housed in the screw, and two bar blocks of fixture block place in the housing, and the groove of bar blocks is relative; Described housing is tetragonal frame, and one group of side to frame of quadrilateral frame has the strip through-hole groove, and the width of strip through-hole groove matches with screw rod on the fixture block; One group of housing is passed to the strip through-hole groove on the frame in the two ends of the screw rod on two fixture blocks, and is fastening with nut; One group of opposite side of the clamping plate of described two block frame formula clamping dielectric films places respectively in the groove of described two fixture blocks, clamps with the clamping device in the groove.
A kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses of the present invention, its structure is that described fixture block is by constituting more than 1 group and 1 group.
A kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses of the present invention, its structure is the clamping device in the described fixture block groove, be on the upper wall of groove, to be provided with the screw that connects upper wall, bolt is housed in the screw, with the lower wall clamping of bolt and groove.
A kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses of the present invention, its structure are that screw on the upper wall of described fixture block groove and the bolt in the screw are formed by 2 ~ 20, and be uniform at groove upper wall length direction.
When the present invention uses, earlier dielectric film to be prepared is placed two clamping plate, two clamping plate pick up dielectric film from the dielectric film edge of being close to of the two sides symmetry of dielectric film, again two clamping plate are fixed with fixture block, two fixture blocks are connected in the housing by screw rod, and rotary screw is regulated the position of fixture block left and right directions, reach the position of suitable work after, with the further clamping jaws of the clamping device on the fixture block, with nut two screw rods are tightened respectively from the through-hole groove outside at last again.
Useful result due to the utility model is: dielectric film can not produce distortion because of the infiltration and the infiltration of solution in preparation process, make dielectric film have good stable, and then guaranteed the performance of dielectric film; Dielectric film carries out in the composite catalyst process of two sides, and turning operation is more prone to; The membrane electrode edge of preparation is more regular, can once prepare many membrane electrodes, enhances productivity, and guarantees for the mass production membrane electrode provides a reliable device.
Description of drawings
The present invention has accompanying drawing 8 width of cloth, wherein
The structural representation of the device of the clamping dielectric film that Fig. 1 uses for preparation fuel cell membrane electrode of the present utility model,
Fig. 2 is the side direction view of Fig. 1,
Fig. 3 is the structural representation of fixture block,
Fig. 4 is the forward view of fixture block,
Fig. 5 is the vertical view of fixture block,
Fig. 6 is the clamp region schematic diagram.
Fig. 7 strengthens back institute operative installations schematic diagram for the membrane electrode area,
Fig. 8 organizes membrane electrode institute operative installations schematic diagram for preparation more.
In the accompanying drawing, 1, fixture block, 2, housing, 3, screw rod, 4, bolt, 5, clamping plate, 6, the through-hole groove on the housing, 7, the active region of placing dielectric film, 8, nut, 9, the groove on the fixture block, 10, the screw hole on the fixture block.
Embodiment
The device of the clamping dielectric film that the preparation fuel cell membrane electrode is used, comprise housing 2, clamping plate 5, fixture block 1 and screw rod 3, the clamping plate 5 of two block frame formula clamping dielectric films are clipped in the middle dielectric film, fixture block 1 is the bar blocks of two steels, have groove 9 on the side of the length direction of bar blocks, groove 9 connects the two ends of whole bar blocks length direction side, and the upper wall of groove 9 is provided with 5 screws that connect upper wall, bolt 4 is housed, with the lower wall clamping of bolt 4 and groove 9 in the screw.The position of not offering groove of bar blocks offers the screw that connects bar blocks length, and screw rod 3 is housed in the screw; Housing 2 is steel frames of rectangle, and the side of one group of minor face frame of rectangle frame has strip through-hole groove 6, and the width of strip through-hole groove 6 matches with screw rod 3 on the fixture block 1; One group of opposite side of the clamping plate 5 of two block frame formula clamping dielectric films places respectively in the groove 9 of two fixture blocks 1, with the lower wall clamping of bolt 4 on the upper wall of groove 9 and groove 9.The strip through-hole groove 6 on the housing 2 minor face frames is passed at the two ends of the screw rod 3 on the fixture block 1, and is fastening with nut 8.
Embodiment 1: with above-mentioned active region of device spraying is 35cm
2CCM, as shown in Figure 1.
An area is removed moisture in the film at 80～100 ℃ of baking 30min in advance greater than the Nafion211 dielectric film of active region.Choose the suitable a pair of clamping plate of area then, film is clipped in two clamping plate, 5 centres, again clamping plate 5 are sandwiched in the fixture block 1, by rotary screw 3 fine settings two fixture blocks 1 relative position, screw with standing screw 3 from screw rod 3 two ends with nut 8 after adjusting the position, above fixture block 1, tighten fixture block 1 with nut 4 again, thus further strap 5.Device is placed on 140 ℃ of hot platforms, spray one deck Catalytic Layer according to certain catalyst solution flow velocity and gas pressure on film, the centre carries out continuing to repeat spraying process after the switching process, finishes until spraying.
Embodiment 2: as shown in Figure 7, spray two 35cm simultaneously
2CCM
Prepare the Nafion211 proton exchange membrane of two areas greater than the active region, baking 30min removes moisture in the film in 80～100 ℃ of environment.Respectively film is clipped in then in the middle of two pairs of clamping plate 5.Prepare two pairs of fixture blocks 1 and screw in screw rod 3, adjust approximate location, clamping plate 5 are sandwiched in two pairs of fixture blocks 1 respectively again, by two pairs of fixture block 1 relative positions of rotary screw 3 fine settings, screw with standing screw 3 from screw rod 3 two ends with nut 8 after adjusting the position, above fixture block 1, tighten fixture block 1 with nut 4 again, thus further strap 5.Anchor clamps are placed on 140 ℃ of hot platforms, alternately respectively spray one deck Catalytic Layer according to certain catalyst solution flow velocity and gas pressure on two films, the centre carries out continuing to repeat spraying process until the spraying end after the switching process.
Embodiment 3: as shown in Figure 7, spray a 280cm
2CCM
With the Nafion212 proton exchange membrane of an area greater than the active region, baking 30min removes moisture in the film in 80～100 ℃ of environment.Be ready to fixture block 1 and clamping plate 5 with the corresponding size of this size of film, mix up distance, assembling fixture according to the method for embodiment 1.All the other steps are with embodiment 1.
Embodiment 4: 34.3cm of wire mark
2CCM
With the Nafion212 proton exchange membrane of an area greater than the active region, baking 30min removes moisture in the film in 80～100 ℃ of environment, prepare to touch the film two sides with membrane area roughly similar two silk screen that the seal machine uses of throwing the net, and paste one article such as 5mm adhesive tape around in advance in the film activity zone and be not printed on catalyst, clamp film and silk screen with clamping plate, prepare fixture block 1 and screw in screw rod 3, adjust approximate location, respectively clamping plate 5 are sandwiched in the fixture block 1 again, by rotary screw 3 fine setting fixture blocks 3 relative positions, screw with standing screw 3 from screw rod 3 two ends with nut 8 after adjusting the position, thereby above fixture block 1, tighten fixture block 1 further strap 5 with nut 4 again, the anchor clamps that assemble are put into wire mark machine working region.Again the carbon supported platinum catalyst that contains certain platinum and electrolyte solution by the certain mass mixed, add the isopropyl alcohol wiring solution-forming, make prepared Chinese ink shape liquid with the ultrasonic cleaner concussion, be poured on the silk screen, one of wire mark is reciprocal, upset, repeat the wire mark step, finish until wire mark.
Claims (4)
1. device for preparing the clamping dielectric film that fuel cell membrane electrode uses, the clamping plate (5) that comprise two block frame formula clamping dielectric films, dielectric film is sandwiched in the middle of the two clamping plates (5), the device that it is characterized in that the clamping dielectric film that described preparation fuel cell membrane electrode is used, also comprise housing (2), fixture block (1) and screw rod (3), described fixture block (1) is one group by two bar blocks and constitutes, have groove (9) along its length on the side of every bar blocks, groove (9) connects the two ends of whole bar blocks length direction side, groove is provided with clamping device in (9), the position of not offering groove of bar blocks, offer the screw (10) that connects bar blocks length, screw rod (3) is housed in the screw, and two bar blocks of fixture block place in the housing (2), and the groove of bar blocks (9) is relative; Described housing (2) is tetragonal frame, and one group of side to frame of quadrilateral frame has strip through-hole groove (6), and the width of strip through-hole groove (6) matches with screw rod (3) on the fixture block; (2) one groups of housings are passed to the strip through-hole groove (6) on the frame in the two ends of the screw rod (3) on two fixture blocks (1), and are fastening with nut (8); One group of opposite side of the clamping plate (5) of described two block frame formula clamping dielectric films places respectively in the groove (9) of described two fixture blocks (1), clamps with the clamping device in the groove.
2. a kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses according to claim 1 is characterized in that described fixture block (1) is by constituting more than 1 group and 1 group.
3. a kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses according to claim 1, it is characterized in that the clamping device in the described fixture block groove (9), be on the upper wall of groove, to be provided with the screw that connects upper wall, bolt (4) is housed, with the lower wall clamping of bolt (4) and groove in the screw.
4. a kind of device for preparing the clamping dielectric film that fuel cell membrane electrode uses according to claim 3 is characterized in that screw on the upper wall of described fixture block groove and the bolt (4) in the screw form by 2～20, and is uniform at groove upper wall length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202693428U CN201514972U (en) | 2009-10-26 | 2009-11-04 | Device for clamping electrolyte membrane in preparation of membrane electrolyte assembly of fuel cell |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910188224.9 | 2009-10-26 | ||
| CN2009202693428U CN201514972U (en) | 2009-10-26 | 2009-11-04 | Device for clamping electrolyte membrane in preparation of membrane electrolyte assembly of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514972U true CN201514972U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2009202693428U Expired - Lifetime CN201514972U (en) | 2009-10-26 | 2009-11-04 | Device for clamping electrolyte membrane in preparation of membrane electrolyte assembly of fuel cell |
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| CN (1) | CN201514972U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879557A (en) * | 2012-10-11 | 2013-01-16 | 南京大学 | Microscopic sample fixing device used for plant electrophysiological experiments |
| CN104538663A (en) * | 2014-12-05 | 2015-04-22 | 江苏绿遥燃料电池系统制造有限公司 | Fuel cell stack fixed structure convenient for adjustment |
| CN106505212A (en) * | 2015-09-03 | 2017-03-15 | 现代自动车株式会社 | Equipment for Heating Processing for the membrane electrode assembly of fuel cell |
| CN111380355A (en) * | 2020-03-12 | 2020-07-07 | 安徽省无为县光明体育用品有限公司 | A diversified tilting mechanism for assisting stoving badminton bulb |
-
2009
- 2009-11-04 CN CN2009202693428U patent/CN201514972U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879557A (en) * | 2012-10-11 | 2013-01-16 | 南京大学 | Microscopic sample fixing device used for plant electrophysiological experiments |
| CN104538663A (en) * | 2014-12-05 | 2015-04-22 | 江苏绿遥燃料电池系统制造有限公司 | Fuel cell stack fixed structure convenient for adjustment |
| CN104538663B (en) * | 2014-12-05 | 2017-02-22 | 江苏氢电新能源有限公司 | Fuel cell stack fixed structure convenient for adjustment |
| CN106505212A (en) * | 2015-09-03 | 2017-03-15 | 现代自动车株式会社 | Equipment for Heating Processing for the membrane electrode assembly of fuel cell |
| CN106505212B (en) * | 2015-09-03 | 2021-08-17 | 现代自动车株式会社 | Heat treatment apparatus for membrane electrode assembly of fuel cell |
| CN111380355A (en) * | 2020-03-12 | 2020-07-07 | 安徽省无为县光明体育用品有限公司 | A diversified tilting mechanism for assisting stoving badminton bulb |
| CN111380355B (en) * | 2020-03-12 | 2021-09-14 | 安徽省无为县光明体育用品有限公司 | A diversified tilting mechanism for assisting stoving badminton bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
|
| CX01 | Expiry of patent term |