CN102956909B - Fuel cell membrane electrode and test sample preparing clamp - Google Patents
Fuel cell membrane electrode and test sample preparing clamp Download PDFInfo
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- CN102956909B CN102956909B CN201210490779.0A CN201210490779A CN102956909B CN 102956909 B CN102956909 B CN 102956909B CN 201210490779 A CN201210490779 A CN 201210490779A CN 102956909 B CN102956909 B CN 102956909B
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- cover frame
- lower cover
- membrane electrode
- fuel cell
- frame
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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
Abstract
The invention relates to a fuel cell membrane electrode and test sample preparing clamp which comprises an upper cover frame, a lower cover frame, an upper base plate and a lower base plate. Bolt holes and positioning holes are uniformly distributed in the peripheries of the upper and lower cover frames. Positioning rods are installed in the positioning holes. The upper and lower cover frames are fastened through bolts. The upper and lower cover frames are middle hollowed flat frames. The shape and size of the hollowed parts are as same as those of an active area of e a membrane electrode or a test sample prepared. The upper and lower base plates are as same as the middle hollowed parts of the upper and lower cover plates in shape and size. The upper and lower base plates are respectively placed in the middle hollowed parts of the upper and lower cover frames. The upper and lower base plates are not thicker than the upper and lower cover frames. The fuel cell membrane electrode and test sample preparing clamp provided by the invention has the beneficial effects that when an MEA (Membrane Electrode Assembly) is prepared by using the clamp provided by the invention, the heated degree on the MEA can be adjusted by adjusting the thickness or material of the base plates, and meanwhile, the MEA is stressed uniformly to reduce the damage to the MEA and improve the yield of the MEA.
Description
Technical field
The invention belongs to fuel cell field, relate in particular to fuel cell membrane electrode and test sample and prepare fixture used.
Background technology
The electrode of Proton Exchange Membrane Fuel Cells adopts the mode of hot pressing that cathode electrode-proton exchange membrane-anode electrode is pressed to together conventionally, is called membrane electrode (Membraneelectrodeassemble, MEA).At present, most MEA and seal are to adopt hydraulic press compacting to form, and the pressure and temperature of hydraulic press acts directly on MEA above under normal circumstances, the especially each functional layer overlapping in edge, MEA active region; The inner proton exchange membrane of MEA simultaneous in electrochemical reaction process is because of the physical action such as the variation of swellbility and the variation of tensile force of the dry wet constantly proton exchange membrane that circulation causes itself, these effects can be applied to marginal portion, MEA active region equally.Therefore,, in order to promote MEA pressing process quality and to carry out effectively carrying out of MEA black box related experiment, need to ensure the form stable at edge, active region in MEA pressing process.
Prior art conventionally adopts that MEA and black box are clamped in to outermost layer is two-layer corrosion resistant plate, two graphite cakes of middle level pad, innermost layer is in the structure of two-layer blank sheet of paper (or polytetrafluoroethylene film), and its weak point is still cannot ensure stability and the reliability of active region.
Summary of the invention
The object of this invention is to provide a kind of to little, easy and simple to handle, reproducible, the simple in structure clamping device of membrane electrode assembly damage.
Solution of the present invention is: fuel cell membrane electrode and test sample are prepared fixture, comprise cover frame and lower cover frame, upper cover frame and lower cover frame periphery have been evenly arranged bolt hole and location hole, bolt hole on upper cover frame and lower cover frame and location hole are corresponding one by one, backstay is housed in location hole, upper cover frame and lower cover frame are by penetrating the bolt tightening of bolt hole, it is characterized in that described upper cover frame and lower cover frame are the plate frames of middle part hollow out, the periphery at plate frame hollow out position is provided with step, the shape of hollow out is identical with membrane electrode or the test sample active region of preparation with size, described fuel cell membrane electrode and test sample are prepared fixture and are also comprised backing plate, described backing plate comprises upper padding plate and lower bolster, described upper padding plate is identical with size with the shape of upper cover frame and lower cover frame middle part hollow out with lower bolster, upper padding plate and lower bolster periphery are respectively equipped with hollow out position, upper cover frame and lower cover frame middle part peripheral steps to the step coordinating, upper padding plate and lower bolster are placed in respectively cover frame and lower cover frame middle part hollow part, and upper padding plate and lower bolster thickness are not more than the thickness of cover frame and lower cover frame.
Fuel cell membrane electrode of the present invention and test sample are prepared fixture, it is characterized in that described backing plate is Heat Conduction Material backing plate or heat-barrier material backing plate.
Fuel cell membrane electrode of the present invention and test sample are prepared the using method of fixture, it is characterized in that described using method comprises the following steps:
A, the blanking of polyester frame is become to required outer rim shape,
B, lower bolster is put into lower cover frame middle part hollow part, the step of backing plate periphery and the step of lower cover frame openwork part is matched,
C, in the location hole of lower cover frame, insert backstay,
D, the good outer rim of step a blanking is placed on lower frame by backstay, more successively cathode electrode, proton exchange membrane, anode electrode, outer rim is assembled on lower cover frame,
E, cover cover frame, upper padding plate put into upper cover frame middle part hollow part, the step of upper padding plate periphery and the step of upper cover frame openwork part are matched, bolt is penetrated to bolt hole, tight a bolt, take out backstay,
F, fixture is placed on hydraulic press and carries out hot pressing, pressing finishes rear taking-up fixture, backs out bolt after cooling to take out the MEA suppressing.
The invention has the beneficial effects as follows, can, by adjusting the thickness of backing plate or the heating degree of material adjusting MEA, can also make MEA stressed even simultaneously, reduce the damage to MEA, improve MEA rate of finished products.
Brief description of the drawings
Drawings attached 12 width of the present invention, wherein
Fig. 1 is the structural representation that square fixture entirety is used;
Fig. 2 is the end view that square fixture entirety is used;
Fig. 3 is the structural representation of square backing plate;
Fig. 4 is the end view of square backing plate;
Fig. 5 is the structural representation of square upper and lower cover frame;
Fig. 6 is the end view of square upper and lower cover frame;
Fig. 7 is the structural representation that circular clamp entirety is used;
Fig. 8 is the end view that circular clamp entirety is used;
Fig. 9 is the structural representation of circular shim;
Figure 10 is the end view of circular shim;
Figure 11 is the structural representation of circular upper and lower cover frame;
Figure 12 is the end view of circular upper and lower cover frame.
In accompanying drawing, 1, upper cover frame, 2, lower cover frame, 3, location hole, 4-1, lower cover, 4-2, upper cover plate, 5, bolt hole, 6, circular upper cover frame, 7, circular lower cover frame, 8, circular lid frame location hole, 9-1, circular adiabatic lower bolster, 9-2, circular adiabatic upper padding plate, 10, circular cover frame bolt hole.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Fuel cell membrane electrode and test sample are prepared fixture and are comprised cover frame 1, lower cover frame 2 and backing plate 4, upper cover frame 1 and lower cover frame 2 peripheries have been evenly arranged bolt hole 5 and location hole 3, bolt hole 5 on upper cover frame 1 and lower cover frame 2 and location hole 3 are corresponding one by one, in location hole 3, backstay is housed, upper cover frame 1 and lower cover frame 1 are by penetrating the bolt tightening of bolt hole 5, upper cover frame 1 and lower cover frame 2 are plate frames of middle part hollow out, the periphery at plate frame hollow out position is provided with step, and the shape of hollow out is identical with membrane electrode or the test sample active region of preparation with size; Backing plate 4 comprises upper padding plate 4-2 and lower bolster 4-1, upper padding plate 4-2 is identical with size with the shape of upper cover frame 1 and lower cover frame 2 middle part hollow outs with lower bolster 4-1, upper padding plate 4-2 and lower bolster 4-1 periphery are respectively equipped with upper cover frame 1 and lower cover frame 2 hollow out position, middle part peripheral steps to the step coordinating, upper padding plate 4-2 and lower bolster 4-1 are placed in respectively cover frame 1 and lower cover frame 2 middle part hollow parts, and upper padding plate 4-2 and lower bolster 4-1 thickness are not more than the thickness of cover frame 1 and lower cover frame 2.Backing plate 4 is Heat Conduction Material backing plate or heat-barrier material backing plate
Embodiment 1: compacting a slice MEA.Upper and lower cover frame and backing plate are square, lower cover frame 2 is lain on operating desk, select to be placed on the hollow out position in the middle of lower cover frame with the lower bolster 4-1 of lower cover frame 2 consistency of thickness, in the location hole 3 at 2 four angles of lower cover frame, insert reference column, by polyester frame blanking moulding, polyester outer rim is fixed on lower cover frame 2 through reference column, then put successively electrode-proton exchange membrane-electrode thereon, cover again the polyester outer rim of the superiors, finally cover cover frame 1, to be placed on the hollow part of upper cover frame 1 with the upper padding plate 4-2 of upper cover frame consistency of thickness, the bolt of screwing on, fixture is placed on to hot pressing on press.It is cooling that hot pressing finishes rear taking-up fixture, backs out bolt after cooling, takes out the MEA suppressing, and cleaning fixture also uses next time.
Embodiment 2: compacting one built-in testing membrane electrode.Upper and lower cover frame and backing plate are circular, cover frame under circle 7 is lain on operating desk, the adiabatic lower bolster 9-1 of circle that selects thickness to be less than lower cover frame 7 thickness 1-2mm is placed on the hollow out position in the middle of circular lower cover frame 7, under circle, in the circular lid frame location hole 8 at 7 four angles of cover frame, insert reference column, by polyester frame blanking moulding, polyester outer rim is fixed on circular lower cover frame 7 through reference column, then be well placed a slice membrane electrode, cover again polyester outer rim, finally cover circular upper cover frame 6, place the adiabatic upper padding plate 9-2 of circle that thickness is less than circular upper cover frame thickness 1-2mm in circular upper cover frame 6 hollow out positions, bolt is penetrated to circular cover frame bolt hole 10, tight a bolt, fixture is placed on to hot pressing on press.It is cooling that hot pressing finishes rear taking-up fixture, backs out bolt after cooling, takes out the seal suppressing, and cleaning fixture also uses next time.
Claims (4)
1. fuel cell membrane electrode is prepared fixture, comprise cover frame (1) and lower cover frame (2), upper cover frame (1) and lower cover frame (2) periphery have been evenly arranged bolt hole (5) and location hole (3), bolt hole (5) on upper cover frame (1) and lower cover frame (2) and location hole (3) are corresponding one by one, backstay is housed in location hole, upper cover frame (1) and lower cover frame (2) are by penetrating the bolt tightening of bolt hole (5), it is characterized in that described upper cover frame (1) and lower cover frame (2) are the plate frames of middle part hollow out, the periphery at plate frame hollow out position is provided with step, the shape of hollow out is identical with the active region of the membrane electrode of preparation with size, the fixture of preparing of described fuel cell membrane electrode also comprises backing plate, described backing plate comprises upper padding plate (4-1) and lower bolster (4-2), described upper padding plate (4-1) is identical with size with the shape of upper cover frame (1) and lower cover frame (2) middle part hollow out with lower bolster (4-2), upper padding plate (4-1) and lower bolster (4-2) periphery are respectively equipped with the step matching with upper cover frame (1) and hollow out position, lower cover frame (2) middle part peripheral steps, upper padding plate (4-1) and lower bolster (4-2) are placed in respectively cover frame (1) and lower cover frame (2) middle part hollow part, upper padding plate (4-1) and lower bolster (4-2) thickness are not more than the thickness of cover frame (1) and lower cover frame (2).
2. fuel cell membrane electrode is prepared fixture according to claim 1, it is characterized in that described backing plate is Heat Conduction Material backing plate or heat-barrier material backing plate.
3. fuel cell membrane electrode is prepared fixture according to claim 1, it is characterized in that described upper cover frame (1) and lower cover frame (2) are for square or circular, described backing plate is corresponding with upper cover frame (1) and lower cover frame (2) shape square or circular.
4. fuel cell membrane electrode claimed in claim 1 is prepared the using method of fixture, it is characterized in that described using method comprises the following steps:
A, the blanking of polyester frame is become to required outer rim shape,
B, lower bolster (4-2) is put into lower cover frame (2) middle part hollow part, the step of backing plate periphery and the step of lower cover frame (2) openwork part is matched,
C, in the location hole (3) of lower cover frame (2) insert backstay,
D, that outer rim good step a blanking is placed on to lower cover frame (2) by backstay is upper, then it is upper successively cathode electrode, proton exchange membrane, anode electrode, upper outer rim to be assembled into lower cover frame (2),
E, cover cover frame (1), upper padding plate (4-1) is put into upper cover frame (1) middle part hollow part, the step of upper padding plate (4-1) periphery and the step of upper cover frame (1) openwork part are matched, bolt is penetrated to bolt hole (5), tight a bolt, take out backstay
F, fixture is placed on hydraulic press and carries out hot pressing, pressing finishes rear taking-up fixture, backs out bolt after cooling to take out the MEA suppressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490779.0A CN102956909B (en) | 2012-11-27 | 2012-11-27 | Fuel cell membrane electrode and test sample preparing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490779.0A CN102956909B (en) | 2012-11-27 | 2012-11-27 | Fuel cell membrane electrode and test sample preparing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102956909A CN102956909A (en) | 2013-03-06 |
| CN102956909B true CN102956909B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210490779.0A Active CN102956909B (en) | 2012-11-27 | 2012-11-27 | Fuel cell membrane electrode and test sample preparing clamp |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6950557B2 (en) * | 2018-02-15 | 2021-10-13 | トヨタ自動車株式会社 | How to make a fuel cell stack |
| CN110289433B (en) * | 2019-06-21 | 2020-08-14 | 山东建筑大学 | Fuel cell clamp convenient to quickly disassemble and assemble |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689181A (en) * | 2002-08-30 | 2005-10-26 | 佩密斯股份有限公司 | Fixtures and methods for facilitating the fabrication of devices having thin film materials |
| CN102496726A (en) * | 2011-12-19 | 2012-06-13 | 中国科学院长春应用化学研究所 | Preparation method and forming fixture of membrane electrode of proton exchange membrane fuel cell |
| CN203013854U (en) * | 2012-11-27 | 2013-06-19 | 新源动力股份有限公司 | Fuel cell membrane electrode and test sample preparation clamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009176573A (en) * | 2008-01-24 | 2009-08-06 | Fuji Electric Holdings Co Ltd | Method of manufacturing membrane-electrode assembly of fuel cell |
| KR20120063574A (en) * | 2010-12-08 | 2012-06-18 | 현대자동차주식회사 | Manufacturing method of membrane-electrode assembly for polymer electrolyte membrane fuel cell |
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- 2012-11-27 CN CN201210490779.0A patent/CN102956909B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689181A (en) * | 2002-08-30 | 2005-10-26 | 佩密斯股份有限公司 | Fixtures and methods for facilitating the fabrication of devices having thin film materials |
| CN102496726A (en) * | 2011-12-19 | 2012-06-13 | 中国科学院长春应用化学研究所 | Preparation method and forming fixture of membrane electrode of proton exchange membrane fuel cell |
| CN203013854U (en) * | 2012-11-27 | 2013-06-19 | 新源动力股份有限公司 | Fuel cell membrane electrode and test sample preparation clamp |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-176573A 2009.08.06 |
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| CN102956909A (en) | 2013-03-06 |
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