WO2010050339A1 - 燃料電池の密封構造 - Google Patents
燃料電池の密封構造 Download PDFInfo
- Publication number
- WO2010050339A1 WO2010050339A1 PCT/JP2009/067368 JP2009067368W WO2010050339A1 WO 2010050339 A1 WO2010050339 A1 WO 2010050339A1 JP 2009067368 W JP2009067368 W JP 2009067368W WO 2010050339 A1 WO2010050339 A1 WO 2010050339A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gdl
- mea
- fuel cell
- gdls
- gasket
- Prior art date
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Classifications
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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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0276—Sealing means characterised by their form
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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
- H01M8/028—Sealing means characterised by their material
- H01M8/0284—Organic resins; Organic polymers
-
- 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
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
Definitions
- the present invention relates to a sealing structure in a fuel cell, in which an MEA is sandwiched by a gasket integrally provided on a separator disposed on both sides thereof via GDL.
- the fuel cell has an MEA (Membrane Electrode Assembly: membrane-electrode assembly) provided with a pair of electrode layers on both sides of a reaction film and porous first and second GDLs (Gas Diffusion) stacked on both sides in the thickness direction thereof.
- Layer A gas diffusion layer and a separator made of carbon or metal are alternately arranged and stacked, and it is known that a fuel gas or an oxidizing gas is allowed to flow to the MEA through the first and second GDLs.
- a fuel cell generates electric power by an electrochemical reaction that is the reverse reaction of water electrolysis, that is, a reaction of producing water from hydrogen and oxygen.
- the gasket is made of a synthetic resin material having rubber or rubber-like elasticity, and it is known that the gasket is integrally provided on the surface of the separator and closely attached to the surface of the MEA.
- FIG. 7 is a partial cross-sectional view showing a sealing structure of a fuel cell according to the prior art in a separated state
- FIG. 8 is a partial cross-sectional view showing a stacked state.
- the fuel cell shown in FIG. 7 has first GDLs 102 and 103, second GDLs 104 and 105, and separators 106 and 107 on both sides in the thickness direction of the MEA 101 provided with a pair of electrode layers on both sides of a reaction film (ion exchange film). Rubber laminated in order and provided integrally with the MEA 101 or reinforcing frames integral with the MEA 101 outside the first GDLs 102 and 103 and the second GDLs 104 and 105 respectively on the separators 106 and 107 positioned on both sides in the thickness direction Gaskets 108 and 109 made of a material or a synthetic resin material having rubber-like elasticity are sandwiched (see, for example, Patent Document 1 below).
- the present invention has been made in view of the above-described points, and the technical problem thereof is in a sealing structure in which MEA is sandwiched by a gasket integrally provided on a separator disposed on both sides thereof via GDL. , MEA deformation and first GDL shift effectively.
- the first GDL, the second GDL, and the separator are sequentially stacked on both sides in the thickness direction of the MEA, Rubber or rubber-like elastic resin material integrally provided with the MEA or a reinforcing frame integral with the MEA outside the first GDL and the second GDL respectively on separators positioned on both sides in the thickness direction
- the end portion of the first GDL is formed to have a size protruding from the outer periphery of the second GDL, and the end portion of the first GDL can be positioned on the gasket.
- a support step portion that can be supported at substantially the same height as the second GDL support height is formed.
- At least one gasket of the MEA or the gaskets on both sides in the thickness direction of the reinforcing frame is joined to the separator. It has a flat base and a seal ridge rising from the base, and a support shoulder is formed by the base and the skirt of the seal ridge.
- At least one of the gaskets on both sides in the thickness direction of the MEA or the reinforcing frame has a flat sealing surface.
- the supporting step portion is formed in a step shape deeper than the sealing surface by the thickness of the first GDL.
- the end of the first GDL protruding from the end of the second GDL is positioned by the support step formed in the gasket, and Since the second GDL is supported at the same height on the support step, no space is formed between the gasket and the first GDL and the second GDL to cause deformation of the MEA. There is no possibility of GDL misalignment.
- FIG. 1 is a partial cross-sectional view showing a sealing structure of a fuel cell according to the prior art in a separated state.
- FIG. 1 is a partial cross-sectional view showing a sealing structure of a fuel cell according to the prior art in a stacked state.
- FIG. 1 is a partial cross-sectional view showing a first embodiment of a fuel cell sealing structure according to the present invention in a separated state
- FIG. 2 is a partial cross-sectional view showing a stacked state.
- reference numeral 1 denotes an MEA (Membrane Electrode Assembly: membrane-electrode complex) having a structure in which a pair of electrode layers (not shown) is provided on both sides of a reaction film
- reference numerals 2 and 3 denote the MEA 1.
- the first GDL, reference numerals 4 and 5, made of metal porous body or carbon porous body laminated on both sides in the thickness direction of the metal porous body or carbon porous body laminated on the outside of the first GDL 2 and 3 when viewed from the MEA 1
- the 2nd GDL which consists of a body, and the referential numerals 6 and 7 are separators which consist of metal or carbon laminated on the further outside of 2nd GDL4 and 5 seeing from MEA1.
- the first GDLs 2 and 3 have the same shape and size
- the second GDLs 4 and 5 have the same shape and size
- the separators 6 and 7 have the same shape and size.
- Reference numerals 8 and 9 are selected from rubber materials or synthetic resin materials having rubbery elasticity, preferably ethylene propylene rubber (EPDM), silicone rubber (VMQ), fluoro rubber (FKM), perfluoro rubber (FFKM), etc.
- a gasket made of an elastic material is integrally bonded to the separators 6 and 7, respectively.
- the gasket 8,9 is a mutually same shape and size, are bonded to the separators 6 and 7, the height h is the second GDL4,5 thickness t 2 is substantially the same flat base 81 and 91, this From the width direction middle position of the bases 81 and 91, it has seal ridges 82 and 92 of a mountain-shaped cross section which were raised more than thickness t 1 of the first GDLs 2 and 3.
- the first GDLs 2 and 3 are formed to project from the outer periphery of the second GDLs 4 and 5, and the MEA 1 is formed to project from the outer peripheries of the first GDLs 2 and 3.
- the end 1a of the MEA 1 protruding from the outer periphery of the first GDLs 2 and 3 is, as shown in FIG. 2, a seal ridge 82 of the gasket 8 integrally provided on the lower separator 6 in the figure, and The fuel cell (hydrogen) and the oxidizing gas supplied to the MEA 1 and the electrochemical reaction thereof are interposed between the seal protrusion 92 of the gasket 9 integrally provided on the upper separator 7 and this. Water, surplus gas, refrigerant and the like generated and discharged are prevented from leaking to the outside.
- Support steps 8 a and 9 a are formed in the gaskets 8 and 9 by the upper surfaces of the bases 81 and 91 facing the inner peripheral side and the skirts of the seal protrusions 82 and 92.
- the skirt portions on the inner peripheral side of the sealing ridges 82 and 92 extend in a planar shape substantially corresponding to the outer peripheral shapes of the first GDLs 2 and 3 and, as described above, the heights of the bases 81 and 91 Since h is substantially the same as the thickness t2 of the second GDLs 4 and 5, the support stepped portions 8a and 9a position the end portions 2a and 3a of the first GDLs 2 and 3 protruding from the outer periphery of the second GDLs 4 and 5 It is possible and supportable at the same height h as the support height of the first GDLs 2 and 3 by the second GDLs 4 and 5.
- the inner peripheral edges of the bases 81 and 91 in the gaskets 8 and 9 extend in a planar shape corresponding to the outer peripheral shape of the second GDLs 4 and 5, and the second GDLs 4 and 5 extend the inner peripherals of the bases 81 and 91. It is positioned by being loosely fitted to the
- the second GDLs 4 and 5 are positioned on the inner circumferences of the bases 81 and 91 of the gaskets 8 and 9, and the first GDLs 2 and 3 stacked on the second GDLs 4 and 5 are ends protruding from the second GDLs 4 and 5
- the portions 2a and 3a are positioned by the support stepped portions 8a and 9a of the gaskets 8 and 9 and supported at substantially the same height as the support heights of the first GDLs 2 and 3 by the second GDLs 4 and 5. For this reason, the shift
- the seal protrusions 82 and 92 of the gaskets 8 and 9 have their skirts (support steps 8a and 9a) at the end portions 2a and 3a of the first GDLs 2 and 3 due to expansion deformation in the lateral direction accompanying compression.
- a space is formed between the seal ridges 82, 92 of the gaskets 8, 9 and the first GDLs 2, 3 and the second GDLs 4, 5 to allow deformation of the MEA 1
- the end portions 2a, 3a of the first GDLs 2, 3 fitted in the support steps 8a, 9a of the gaskets 8, 9 make the MEA 1 in the thickness direction on the inner peripheral side of the seal ridges 82, 92 Hold firmly from both sides. For this reason, deformation or damage of the MEA 1 is effectively prevented.
- FIG. 3 is a partial cross-sectional view showing a second embodiment of the sealing structure of a fuel cell according to the present invention in a separated state
- FIG. 4 is a partial cross-sectional view showing in a stacked state.
- the gasket 9 integrally provided on the upper separator 7 in the figure has a flat seal shape having a flat seal surface 93. This is because the support step 9a is formed in a stepped shape from the sealing surface 93.
- the configuration of the other parts is the same as that of the first embodiment shown in FIGS. 1 and 2.
- the gasket 9, be formed to a height corresponding to the sum of the thickness of the first GDL 3 t 1 and the thickness t 2 of the second GDL5, flat seals close contact with the end portion 1a of the MEA1
- the surface 93 is wider than the close contact width (close contact width to the MEA 1) of the seal projection 82 of the gasket 8, and the support step 9a substantially corresponds to the outer peripheral shape of the first GDL 3 on the inner peripheral side of the seal surface 93.
- the bottom surface height h is substantially the same as the thickness t2 of the second GDL 5 and has a depth d corresponding to the thickness t 1 of the first GDL 3 from the sealing surface 93. It is done.
- the support stepped portion 9a can position the end 3a of the first GDL 3 projecting from the outer periphery of the second GDL 5 by fitting, and the height substantially the same as the support height of the first GDL 3 by the second GDL 5 It is possible to support h.
- FIG. 3 and FIG. 4 a plurality of parts shown in FIG. 3 and FIG. 4 are stacked as one unit (fuel cell) and assembled by tightening with a bolt and a nut (not shown).
- the seal ridges 82 of the gasket 8 and the flat seal surfaces 93 of the gasket 9 are in close contact with both sides of the end 1 a of the MEA 1.
- the second GDLs 4 and 5 are positioned on the inner circumferences of the gaskets 8 and 9, and the first GDLs 2 and 3 stacked on the second GDLs 4 and 5 protrude from the second GDLs 4 and 5
- the end portions 2a and 3a are positioned by the support steps 8a and 9a of the gaskets 8 and 9 and supported at substantially the same height as the support heights of the first GDLs 2 and 3 by the second GDLs 4 and 5. For this reason, the shift
- the support steps 8a and 9a of the gaskets 8 and 9 are almost closely fitted to the end portions 2a and 3a of the first GDLs 2 and 3, the gaskets 8 and 9 and the first GDLs 2 and 3 and the second GDL 4 There is no space to allow deformation of the MEA 1 between them and the end portions 2a of the first GDLs 2, 3 fitted to the support steps 8a, 9a of the gaskets 8, 9.
- the MEA 1 is firmly pressed from both sides in the thickness direction by 3a. For this reason, deformation or damage of the MEA 1 is effectively prevented.
- FIG. 5 is a partial cross-sectional view showing a third embodiment of the sealing structure of a fuel cell according to the present invention in a separated state
- FIG. 6 is a partial cross-sectional view showing in a stacked state.
- one gasket 8 corresponds to the sum of the thickness of the first GDL2 on the outer peripheral side t 1 and the thickness t 2 of the second GDL4 a flat seal surface 83 formed in the height, from the inner peripheral side position, the sealing protrusion 82 which thickness is higher elevations than t 1 sectional chevron first GDL2, further an inner in the peripheral side has a flat pressing surface 84 formed to the height equivalent to the sealing surface 83, the other gasket 9, the thickness t 1 of the first GDL3 on the inner peripheral side and the thickness t 2 of the second GDL5 From the flat seal surface 93 facing the seal projection 82 and the pressing surface 84 of the gasket 8 and the outer peripheral side of the gasket 8 and having a height higher than the thickness t 1 of the first GDL 3 Sealing ridge 92 having a cross-sectional chevron shape and gasket 8 on the outer peripheral side And the outer peripheral portion and the opposite sealing surface 83 is to have a sealing
- the seal surface 83 of the gasket 8 is wider than the close contact width (close contact width to the MEA 1) of the seal projection 92 of the gasket 9 opposed thereto, and the support step 8a has a step shape from the inner peripheral side of the pressing surface 84. And is formed in a planar shape substantially corresponding to the outer peripheral shape of the first GDL 2, and the height h of the bottom surface thereof is substantially the same as the thickness t 2 of the second GDL 4, pressing surface 84 is formed at a depth d corresponding to the thickness t 1 of the (seal surface 83) than the first GDL2.
- the support step 8a can be positioned by fitting the end 2a of the first GDL 2 protruding from the outer periphery of the second GDL 4 and the height h substantially the same as the support height of the first GDL 2 by the second GDL 4. Support.
- the seal surface 93 of the gasket 9 is wider than the close width (close width to the MEA 1) of the seal protrusion 82 of the gasket 8 opposed thereto, and the support step 9 a is on the inner peripheral side of the seal surface 93.
- the support step 9a can position the end 3a of the first GDL 3 protruding from the outer periphery of the second GDL 5 by fitting, and the height h substantially the same as the support height of the first GDL 3 by the second GDL 5 Support.
- Reference numerals 8b and 9b denote clearance grooves formed in the skirts of the seal ridges 82 and 92 in order to allow expansion and deformation in the lateral direction due to the compression of the seal ridges 82 and 92, respectively.
- the second GDLs 4 and 5 are positioned on the inner circumferences of the gaskets 8 and 9, and the first GDLs 2 and 3 stacked on the second GDLs 4 and 5 have their ends protruding from the second GDLs 4 and 5
- the portions 2a and 3a are positioned by the support stepped portions 8a and 9a of the gaskets 8 and 9 and supported at substantially the same height as the support heights of the first GDLs 2 and 3 by the second GDLs 4 and 5. For this reason, the shift
- the support steps 8a and 9a of the gaskets 8 and 9 are almost closely fitted to the end portions 2a and 3a of the first GDLs 2 and 3, the gaskets 8 and 9 and the first GDLs 2 and 3 and the second GDL 4 There is no space to allow deformation of the MEA 1 between them and the end portions 2a of the first GDLs 2, 3 fitted to the support steps 8a, 9a of the gaskets 8, 9.
- the MEA 1 is firmly pressed from both sides in the thickness direction by 3a. For this reason, deformation or damage of the MEA 1 is effectively prevented.
- the pressing surface 84 on the inner peripheral side of the gasket 8 and the flat sealing surface 93 of the gasket 9 and the pressing surface 94 on the outer peripheral side of the gasket 9 and the flat sealing surface 83 of the gasket 8 are both sides of the end 1 a of the MEA 1.
- the rigidity in the thickness direction by the gaskets 8 and 9 is enhanced, and the lamination distance between the separators 6 and 7 can be defined with high accuracy.
- the gaskets 8 and 9 are in close contact with both sides of the MEA 1, but in the present invention, a film-like reinforcing frame is integrally provided on the outer periphery of the MEA 1,
- the present invention can also be applied to those in which the gaskets 8 and 9 are put in close contact with each other.
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Abstract
Description
2,3 第一GDL
4,5 第二GDL
6,7 セパレータ
8,9 ガスケット
8a,9a 支持段部
81,91 基部
82,92 シール突条
83,93 シール面
84,94 押さえ面
Claims (3)
- MEAの厚さ方向両側に第一GDL、第二GDL及びセパレータが順に積層され、前記第一GDL及び第二GDLの外側で、前記MEA又はこのMEAと一体の補強フレームを、その厚さ方向両側に位置するセパレータにそれぞれ一体的に設けたゴム又はゴム状弾性を有する合成樹脂材料からなるガスケットで挟み込む密封構造において、前記第一GDLの端部が、前記第二GDLの外周から張り出す大きさに形成され、前記ガスケットに、前記第一GDLの端部を位置決め可能であると共に前記第二GDLによる支持高さと略同一の高さに支持可能な支持段部が形成されたことを特徴とする燃料電池の密封構造。
- MEA又は補強フレームの厚さ方向両側のガスケットのうち、少なくとも一方のガスケットが、セパレータに接合された平坦な基部と、この基部から立ち上がるシール突条とを有し、支持段部が、前記基部と前記シール突条の裾部によって形成されたものであることを特徴とする請求項1に記載の燃料電池の密封構造。
- MEA又は補強フレームの厚さ方向両側のガスケットのうち、少なくとも一方のガスケットが、平坦なシール面を有するものであって、支持段部が、前記シール面より第一GDLの厚さ分だけ深い段差状に形成されたものであることを特徴とする請求項1に記載の燃料電池の密封構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2740843A CA2740843C (en) | 2008-10-31 | 2009-10-06 | Fuel cell sealing structure |
CN200980143151.XA CN102197527B (zh) | 2008-10-31 | 2009-10-06 | 燃料电池的密封构造 |
US13/124,032 US8628894B2 (en) | 2008-10-31 | 2009-10-06 | Fuel cell sealing structure comprising stepped gas diffusion layers |
EP09823452.9A EP2341573B1 (en) | 2008-10-31 | 2009-10-06 | Fuel cell sealing structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008281715A JP5321801B2 (ja) | 2008-10-31 | 2008-10-31 | 燃料電池 |
JP2008-281715 | 2008-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010050339A1 true WO2010050339A1 (ja) | 2010-05-06 |
Family
ID=42128705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/067368 WO2010050339A1 (ja) | 2008-10-31 | 2009-10-06 | 燃料電池の密封構造 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8628894B2 (ja) |
EP (1) | EP2341573B1 (ja) |
JP (1) | JP5321801B2 (ja) |
KR (1) | KR101610352B1 (ja) |
CN (1) | CN102197527B (ja) |
CA (1) | CA2740843C (ja) |
WO (1) | WO2010050339A1 (ja) |
Cited By (1)
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JP2020087564A (ja) * | 2018-11-19 | 2020-06-04 | Nok株式会社 | 燃料電池用ガスケット |
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KR101230892B1 (ko) | 2010-11-05 | 2013-02-07 | 현대자동차주식회사 | 연료전지용 금속다공체 |
JP5790088B2 (ja) | 2011-03-31 | 2015-10-07 | 日産自動車株式会社 | 燃料電池セル |
DE102011100768A1 (de) * | 2011-05-06 | 2012-12-06 | Bayer Material Science Ag | Elektrochemische Zelle mit Rahmendichtung zur alternativen Abdichtung gegenRandläufigkeiten des Elektrolyten |
EP2826089B1 (en) | 2012-03-15 | 2019-10-09 | Nissan Motor Co., Ltd | Fuel cell |
JP6274608B2 (ja) * | 2012-03-15 | 2018-02-07 | 日産自動車株式会社 | 燃料電池 |
JP5855540B2 (ja) * | 2012-07-03 | 2016-02-09 | 本田技研工業株式会社 | 燃料電池用樹脂枠付き電解質膜・電極構造体 |
KR101923374B1 (ko) * | 2012-09-17 | 2018-11-29 | 주식회사 동진쎄미켐 | 연료전지용 막-전극 어셈블리 |
JP5884713B2 (ja) * | 2012-11-30 | 2016-03-15 | トヨタ自動車株式会社 | 燃料電池および燃料電池スタック |
WO2015019714A1 (ja) * | 2013-08-08 | 2015-02-12 | 日産自動車株式会社 | フレーム付き膜電極接合体、燃料電池用単セル及び燃料電池スタック |
JP6383203B2 (ja) * | 2014-07-25 | 2018-08-29 | Nok株式会社 | プレート一体ガスケットの製造方法 |
KR101575312B1 (ko) * | 2014-10-21 | 2015-12-07 | 현대자동차 주식회사 | 연료전지의 막-전극 어셈블리 제조 장치 |
JP6414638B2 (ja) | 2015-06-15 | 2018-11-07 | 日産自動車株式会社 | 燃料電池用電極構造体、金属セパレータ、上記燃料電池用電極構造体と金属セパレータとを用いた燃料電池セル、及び上記燃料電池用電極構造体作製用金型 |
FR3056337B1 (fr) * | 2016-09-22 | 2021-01-22 | Commissariat Energie Atomique | Reacteur d'electrolyse de l'eau (soec) ou pile a combustible (sofc) a taux d'utilisation de vapeur d'eau ou respectivement de combustible augmente |
CN106784150A (zh) * | 2016-12-28 | 2017-05-31 | 珠海格力电器股份有限公司 | 光伏组件层压定位装置及光伏组件层压方法 |
JP6841138B2 (ja) * | 2017-04-13 | 2021-03-10 | トヨタ自動車株式会社 | ガスケットおよびそれを用いた燃料電池スタック |
CN111276713B (zh) * | 2018-12-04 | 2021-02-12 | 中国科学院大连化学物理研究所 | 一种燃料电池膜电极的一体化边缘密封结构及方法 |
CN111477911B (zh) * | 2020-04-26 | 2021-08-17 | 浙江锋源氢能科技有限公司 | 燃料电池单电池、燃料电池电堆 |
CN111564645A (zh) * | 2020-05-28 | 2020-08-21 | 上海空间电源研究所 | 一种金属极板燃料电池的密封件及金属极板燃料电池 |
CN114784313A (zh) * | 2022-03-25 | 2022-07-22 | 上海治臻新能源股份有限公司 | 一种改善燃料电池气体腔口膜电极边框变形的支撑结构 |
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EP2047830A1 (en) * | 2004-08-25 | 2009-04-15 | Phonak AG | Hearing device |
WO2006121041A1 (ja) * | 2005-05-11 | 2006-11-16 | Matsushita Electric Industrial Co., Ltd. | 燃料電池 |
JP5164348B2 (ja) * | 2006-08-03 | 2013-03-21 | 日本ゴア株式会社 | 膜電極組立体およびその製造方法ならびにそれを用いた固体高分子形燃料電池 |
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- 2009-10-06 KR KR1020117008263A patent/KR101610352B1/ko active IP Right Grant
- 2009-10-06 CA CA2740843A patent/CA2740843C/en not_active Expired - Fee Related
- 2009-10-06 WO PCT/JP2009/067368 patent/WO2010050339A1/ja active Application Filing
- 2009-10-06 CN CN200980143151.XA patent/CN102197527B/zh not_active Expired - Fee Related
- 2009-10-06 US US13/124,032 patent/US8628894B2/en active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020087564A (ja) * | 2018-11-19 | 2020-06-04 | Nok株式会社 | 燃料電池用ガスケット |
JP7178882B2 (ja) | 2018-11-19 | 2022-11-28 | Nok株式会社 | 燃料電池用ガスケット |
Also Published As
Publication number | Publication date |
---|---|
EP2341573B1 (en) | 2016-12-07 |
KR20110085979A (ko) | 2011-07-27 |
EP2341573A1 (en) | 2011-07-06 |
US8628894B2 (en) | 2014-01-14 |
CN102197527B (zh) | 2014-07-23 |
CA2740843C (en) | 2013-08-06 |
KR101610352B1 (ko) | 2016-04-08 |
CA2740843A1 (en) | 2010-05-06 |
CN102197527A (zh) | 2011-09-21 |
JP5321801B2 (ja) | 2013-10-23 |
EP2341573A4 (en) | 2013-11-06 |
JP2010108852A (ja) | 2010-05-13 |
US20110200911A1 (en) | 2011-08-18 |
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