JP5849175B2 - 燃料電池における腐食現象の抑制 - Google Patents
燃料電池における腐食現象の抑制 Download PDFInfo
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- JP5849175B2 JP5849175B2 JP2015529035A JP2015529035A JP5849175B2 JP 5849175 B2 JP5849175 B2 JP 5849175B2 JP 2015529035 A JP2015529035 A JP 2015529035A JP 2015529035 A JP2015529035 A JP 2015529035A JP 5849175 B2 JP5849175 B2 JP 5849175B2
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- gas dispersion
- dispersion layer
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- weld
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
-
- 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
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- 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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- 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
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Description
Claims (11)
- − 第一及び第二の膜電極接合体(31,32)と;
− 前記第一及び第二の膜電極接合体の間に位置する金属製の双極板(21)であって、前記第一及び第二の膜電極接合体に面するとともに溶接部(211)によって互いに固着されている第一及び第二の金属板(41,42)を有する双極板と;
− 前記第一の膜電極接合体(31)及び前記双極板(21)の間に挟まれかつ圧縮されているガス分散層(315)と、を備える燃料電池積層体であって、
前記ガス分散層(315)が圧縮されていない状態において、前記ガス分散層の領域であって、前記溶接部(211)を取り囲む領域の厚さが前記ガス分散層の厚さの平均よりも5μm以上小さいことにより、前記溶接部の区域において前記ガス分散層(315)が前記双極板から受ける接触圧力が、その前記双極板から受ける接触圧力の平均よりも小さいことを特徴とする、
燃料電池積層体。 - 前記溶接部を取り囲む前記領域(316)は一様な厚さを有する、
請求項1に記載の燃料電池積層体。 - 前記ガス分散層(315)は、圧縮されていない状態において、平坦な第一面及びレリーフを有する第二面を有する、
請求項1又は2に記載の燃料電池積層体。 - 前記溶接部の前記区域における前記ガス分散層(315)の前記接触圧力はその接触圧力の平均よりも15%以上低い、
請求項1〜3のいずれかに記載の燃料電池積層体。 - − 前記双極板(21)の前記第一の金属板(41)は前記ガス分散層(315)と接する表面(415)を有し、これらの間に、前記金属板(41)と前記ガス分散層(315)との間でガスを導くチャンネルが形成されており;
− 前記溶接部(211)は前記ガスを導くチャンネルの底部に形成されており;かつ
− 前記第一の金属板の前記表面(415)は前記溶接部の両側に位置し、前記表面(415)が前記ガス分散層から受ける接触圧力は前記ガス分散層及び前記第一の金属板の間の接触圧力の平均よりも低い、
請求項1〜4のいずれかに記載の燃料電池積層体。 - − 第三及び第四の膜電極接合体と;
− 前記第三及び第四の膜電極接合体の間に位置する金属製の他の双極板であって、前記第三及び第四の膜電極接合体に面するとともに溶接部によって互いに固着されている第三及び第四の金属板を有し、前記第一及び第二の金属板の前記溶接部は前記第三及び第四の金属板の前記溶接部と重なり合っている双極板と;
− 前記第三の膜電極接合体及び前記他の双極板の間に挟まれかつ圧縮されている他のガス分散層であって、前記溶接部の前記区域における前記他のガス分散層の前記接触圧力はその接触圧力の平均よりも低いガス分散層と、
を備える請求項1〜5のいずれかに記載の燃料電池積層体。 - − ガス分散層(315)が、プロトン交換膜(100)を有する膜電極接合体の第一の電極に接触するように配置することで電気化学的電池(5)の核を形成するところ、前記ガス分散層は前記ガス分散層の厚さの平均よりも厚さが小さい領域(316)を有し;
− 溶接部によって固着された二枚の金属板を有する双極板によって、上記形成された前記電気化学的電池の前記核及び他の前記電気化学的電池の前記核を分離することで、前記電気化学的電池の前記核及び前記双極板を含む積層体を形成するところ、前記溶接部は、より厚さの小さい前記領域と同じ高さに位置し;かつ
− 前記電気化学的電池の前記核の前記ガス分散層(315)が圧縮されて前記双極板と、より厚さの小さい前記領域の区域においてその接触圧力の平均に比べてより低い接触圧力で接触するように前記積層体を圧縮する;
各工程を備える燃料電池積層体の製造方法。 - 湿潤な透かし形成工程によって、より小さい厚さの領域を有する前記ガス分散層を製造する、
工程を事前に備える請求項7に記載の燃料電池積層体の製造方法。 - 前記ガス分散層(315)を製造する前記工程において、炭素繊維及びバインダー材料を含有する水溶液の層を塗布し、前記水溶液の成分を凝固させる、
請求項8に記載の燃料電池積層体の製造方法。 - 前記ガス分散層は実質的に一様な組成を有する、
請求項7〜9のいずれかに記載の燃料電池積層体の製造方法。 - 前記凝固したガス分散層は平坦な第一面とレリーフを有する第二面とを有する、
請求項7〜10のいずれかに記載の燃料電池積層体の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1258200A FR2995146B1 (fr) | 2012-09-03 | 2012-09-03 | Pile a combustible limitant le phenomene de corrosion |
FR1258200 | 2012-09-03 | ||
PCT/EP2013/068036 WO2014033283A1 (fr) | 2012-09-03 | 2013-08-30 | Pile a combustible limitant le phenomene de corrosion |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015526870A JP2015526870A (ja) | 2015-09-10 |
JP5849175B2 true JP5849175B2 (ja) | 2016-01-27 |
Family
ID=47351840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015529035A Expired - Fee Related JP5849175B2 (ja) | 2012-09-03 | 2013-08-30 | 燃料電池における腐食現象の抑制 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9496579B2 (ja) |
EP (1) | EP2893589B1 (ja) |
JP (1) | JP5849175B2 (ja) |
FR (1) | FR2995146B1 (ja) |
WO (1) | WO2014033283A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10312529B2 (en) | 2015-10-06 | 2019-06-04 | Nissan Motor Co., Ltd. | Fuel cell stack |
US11167363B2 (en) * | 2017-05-10 | 2021-11-09 | Board Of Trustees Of Michigan State University | Brazing methods using porous interlayers and related articles |
US20210328235A1 (en) * | 2020-04-21 | 2021-10-21 | Hamilton Sundstrand Corporation | High power density fuel cell |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7241474B2 (en) * | 2004-04-14 | 2007-07-10 | General Motors Corporation | Preparation of patterned diffusion media |
JP2006049226A (ja) * | 2004-08-09 | 2006-02-16 | Nissan Motor Co Ltd | 燃料電池 |
US7419739B2 (en) * | 2004-08-25 | 2008-09-02 | General Motors Corporation | Flexible bipolar plate |
JP5076360B2 (ja) * | 2006-05-16 | 2012-11-21 | 日産自動車株式会社 | 燃料電池スタック並びにその製造方法 |
JP5343307B2 (ja) * | 2006-05-16 | 2013-11-13 | 日産自動車株式会社 | 燃料電池スタックおよび燃料電池セパレータ並びにその製造方法 |
JP5214591B2 (ja) * | 2007-03-14 | 2013-06-19 | パナソニック株式会社 | 膜−膜補強部材接合体、膜−触媒層接合体、膜−電極接合体、高分子電解質形燃料電池、及び膜−電極接合体の製造方法 |
JP2008293744A (ja) * | 2007-05-23 | 2008-12-04 | Honda Motor Co Ltd | 燃料電池 |
US8568940B2 (en) * | 2007-05-24 | 2013-10-29 | GM Global Technology Operations LLC | Joining bipolar plates using localized electrical nodes |
DE102007048184B3 (de) * | 2007-10-02 | 2009-01-22 | Reinz-Dichtungs-Gmbh | Elektrochemisches System und Biopolarplatte |
FR2976128B1 (fr) * | 2011-05-30 | 2014-06-06 | Commissariat Energie Atomique | Pile a combustible limitant le phenomene de corrosion |
-
2012
- 2012-09-03 FR FR1258200A patent/FR2995146B1/fr not_active Expired - Fee Related
-
2013
- 2013-08-30 WO PCT/EP2013/068036 patent/WO2014033283A1/fr active Application Filing
- 2013-08-30 EP EP13766235.9A patent/EP2893589B1/fr not_active Not-in-force
- 2013-08-30 US US14/425,447 patent/US9496579B2/en not_active Expired - Fee Related
- 2013-08-30 JP JP2015529035A patent/JP5849175B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2995146A1 (fr) | 2014-03-07 |
EP2893589B1 (fr) | 2016-07-27 |
US9496579B2 (en) | 2016-11-15 |
EP2893589A1 (fr) | 2015-07-15 |
JP2015526870A (ja) | 2015-09-10 |
US20150228998A1 (en) | 2015-08-13 |
FR2995146B1 (fr) | 2015-07-03 |
WO2014033283A1 (fr) | 2014-03-06 |
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