JP2005536839A - 導電性発泡体を冷却材層として有する燃料電池双極板 - Google Patents
導電性発泡体を冷却材層として有する燃料電池双極板 Download PDFInfo
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01M8/0213—Gas-impermeable carbon-containing materials
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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
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0254—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
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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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- 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
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/12014—All metal or with adjacent metals having metal particles
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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
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/12389—All metal or with adjacent metals having variation in thickness
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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
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- Y10T428/00—Stock material or miscellaneous articles
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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
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Abstract
Description
本発明の別の特徴によれば、第1および第2の金属箔層は、約0.0254mm(0.001インチ)の厚さを有する。
Claims (23)
- 導電性多孔質材料と、
前記導電性多孔質材料の第1の表面に接合された第1の金属箔層と、
前記導電性多孔質材料の第2の表面に接合された第2の金属箔層とを備え、前記導電性多孔質材料がその中に冷却材流れ通路を画定し、前記第1および第2の金属箔層がその上に反応ガス流路を画成するよう形成される、燃料電池に使用する双極板。 - 前記導電性多孔質材料が金属発泡体である、請求項1に記載の双極板。
- 前記第1および第2の金属箔層が、0.127mm(0.005インチ)より薄い厚さを有する、請求項1に記載の双極板。
- 前記導電性多孔質材料が、前記第1および第2の金属箔層に拡散接合される、請求項1に記載の双極板。
- 前記導電性多孔質材料が、前記第1および第2の金属箔層にろう付けされる、請求項1に記載の双極板。
- 前記導電性多孔質材料が黒鉛発泡体である、請求項1に記載の双極板。
- 前記導電性多孔質材料が炭素発泡体である、請求項1に記載の双極板。
- 前記導電性多孔質材料が、流れ流路を画成する低密度区域を有し、前記低密度区域が、前記冷却材流れ通路内で、高密度の導電性多孔質材料の区域によって接合される、請求項1に記載の双極板。
- 1つの面にアノード触媒を含み、もう1つの面にカソード触媒を含む膜電極アセンブリと、
前記膜電極アセンブリの両側に配置された1対の双極板とを備え、前記双極板はそれぞれ導電性の多孔質材料を含み、第1の金属箔層が前記導電性多孔質材料の第1の表面に接合され、第2の金属箔層が前記導電性多孔質材料の第2の表面に接合され、前記導電性多孔質材料がその中に冷却材流れ通路を画成し、前記第1および第2の金属箔層がその上に反応ガス流路を画成するよう形成される、燃料電池。 - 前記導電性多孔質材料が金属発泡体である、請求項9に記載の燃料電池。
- 前記第1および第2の金属箔層が、0.127mm(0.005インチ)より薄い厚さを有する、請求項9に記載の燃料電池。
- 前記導電性多孔質材料が、前記第1および第2の金属箔層に拡散接合される、請求項9に記載の燃料電池。
- 前記導電性多孔質材料が、前記第1および第2の金属箔層にろう付けされる、請求項9に記載の燃料電池。
- 前記導電性多孔質材料が黒鉛発泡体である、請求項9に記載の燃料電池。
- 前記導電性多孔質材料が炭素発泡体である、請求項9に記載の燃料電池。
- 第1の薄い金属箔を多孔質導電性材料の第1の側に接合する段階と、
第2の薄い金属箔を多孔質導電性材料の第2の側に接合する段階と、
それぞれの流れ流体パターンを形成するように、前記第1および第2の金属箔をパターン付けする段階とを含む、燃料電池に使用する双極板を形成する方法。 - 前記多孔質導電性材料が金属発泡体である、請求項16に記載の方法。
- 前記多孔質導電性材料が黒鉛発泡体である、請求項16に記載の方法。
- 前記多孔質導電性材料が炭素発泡体である、請求項16に記載の方法。
- 前記第1および第2の金属箔層が、0.127mm(0.005インチ)より薄い厚さを有する、請求項16に記載の方法。
- それぞれの流れ領域パターンを形成するように、第1の薄い金属箔層をパターン付けし、第2の薄い金属箔層をパターン付けする段階と、
金属化された表面を有する発泡体材料を、前記第1と第2の薄い金属箔層の間にサンドイッチ構造に置く段階と、
前記サンドイッチ構造を、前記金属発泡体が前記第1と第2の金属箔層に焼結するに十分な温度に加熱する段階とを含む、燃料電池に使用する双極板を形成する方法。 - 発泡体材料を結合材および金属粉末の懸濁液内に浸す段階と、
前記発泡体材料を、2つの箔層の間に置く段階と、
前記金属粉末が前記箔層に焼結されるまで、発泡体材料を間に有する前記2つの箔層を燃焼させる段階とを含む、燃料電池に使用する双極板を形成する方法。 - 第1および第2の箔層の間に発泡体材料を設ける段階と、
化学蒸着法によって、前記第1および第2の箔層の間の、前記発泡体材料の上に、金属を付着させる段階とを含む、燃料電池に使用する双極板を形成する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/224,140 US6838202B2 (en) | 2002-08-19 | 2002-08-19 | Fuel cell bipolar plate having a conductive foam as a coolant layer |
PCT/US2003/025729 WO2004017445A2 (en) | 2002-08-19 | 2003-08-18 | Fuel cell bipolar plate having a conductive foam as a coolant layer |
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JP2005536839A true JP2005536839A (ja) | 2005-12-02 |
JP4224026B2 JP4224026B2 (ja) | 2009-02-12 |
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US (1) | US6838202B2 (ja) |
JP (1) | JP4224026B2 (ja) |
CN (1) | CN100423347C (ja) |
AU (1) | AU2003263870A1 (ja) |
DE (1) | DE10393075B4 (ja) |
WO (1) | WO2004017445A2 (ja) |
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JP2010129467A (ja) * | 2008-11-28 | 2010-06-10 | Toshiba Corp | セルスタックおよびこれを備えた燃料電池装置 |
JP2010192233A (ja) * | 2009-02-18 | 2010-09-02 | Mitsubishi Materials Corp | 燃料電池用セパレータおよびその製造方法 |
JP4772064B2 (ja) * | 2005-01-24 | 2011-09-14 | ゼネラル・モーターズ・コーポレーション | 非導電性フレームヘッダにより分離された多重活性領域を備えた燃料電池両極プレート |
KR20160094968A (ko) * | 2013-12-05 | 2016-08-10 | 로베르트 보쉬 게엠베하 | 폴라 플레이트 |
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- 2003-08-18 CN CNB03819645XA patent/CN100423347C/zh not_active Expired - Lifetime
- 2003-08-18 JP JP2004529509A patent/JP4224026B2/ja not_active Expired - Fee Related
- 2003-08-18 WO PCT/US2003/025729 patent/WO2004017445A2/en active Application Filing
- 2003-08-18 AU AU2003263870A patent/AU2003263870A1/en not_active Abandoned
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JP4772064B2 (ja) * | 2005-01-24 | 2011-09-14 | ゼネラル・モーターズ・コーポレーション | 非導電性フレームヘッダにより分離された多重活性領域を備えた燃料電池両極プレート |
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JP2010129467A (ja) * | 2008-11-28 | 2010-06-10 | Toshiba Corp | セルスタックおよびこれを備えた燃料電池装置 |
JP2010192233A (ja) * | 2009-02-18 | 2010-09-02 | Mitsubishi Materials Corp | 燃料電池用セパレータおよびその製造方法 |
KR20160094968A (ko) * | 2013-12-05 | 2016-08-10 | 로베르트 보쉬 게엠베하 | 폴라 플레이트 |
JP2016539479A (ja) * | 2013-12-05 | 2016-12-15 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングRobert Bosch Gmbh | 極板 |
KR102308259B1 (ko) * | 2013-12-05 | 2021-10-06 | 로베르트 보쉬 게엠베하 | 폴라 플레이트 |
Also Published As
Publication number | Publication date |
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AU2003263870A8 (en) | 2004-03-03 |
US20040033410A1 (en) | 2004-02-19 |
DE10393075T5 (de) | 2005-08-25 |
CN1675791A (zh) | 2005-09-28 |
DE10393075B4 (de) | 2009-05-07 |
CN100423347C (zh) | 2008-10-01 |
WO2004017445A2 (en) | 2004-02-26 |
AU2003263870A1 (en) | 2004-03-03 |
JP4224026B2 (ja) | 2009-02-12 |
WO2004017445A3 (en) | 2004-04-29 |
US6838202B2 (en) | 2005-01-04 |
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