JP4851091B2 - Pem燃料電池用ガス拡散層に用いるグラファイト製品、そのグラファイト製品の形成方法、及び、pem燃料電池用ガス拡散層に用いる基材 - Google Patents
Pem燃料電池用ガス拡散層に用いるグラファイト製品、そのグラファイト製品の形成方法、及び、pem燃料電池用ガス拡散層に用いる基材 Download PDFInfo
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Description
Claims (19)
- 対向する第一表面および第二表面を有するシート状の膨脹グラファイト粒子の圧縮材料を含む、PEM燃料電池用ガス拡散層に用いる、グラファイト製品であって、
前記シート状の膨脹グラファイト粒子の圧縮材料には、前記第一表面と前記第二表面との間を貫通する複数の流体通路が設けられ、
前記第一表面および前記第二表面の一方に、前記シート状の膨脹グラファイト粒子の圧縮材料内で前記複数の流体通路に通じる開溝が形成され、
前記開溝が、溝床と、溝壁と、を有し、そして、
前記シート状の膨脹グラファイト粒子の圧縮材料には、前記溝壁を通って伸びる流体通路が設けられている
ことを特徴とするグラファイト製品。 - 前記流体通路が、前記シート状の膨脹グラファイト粒子の圧縮材料の前記第一表面に複数の位置で機械的な衝撃を作用させて、その位置において前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させ、前記第一表面および前記第二表面の両方に開口部を有する前記流体通路を設けることにより形成された、請求項1に記載の製品。
- 前記開溝が、前記開溝が形成された前記表面に結合されたフレキシブルグラファイトシート状のカバーを備えてなる、請求項1に記載の製品。
- 前記開溝が、前記開溝が形成された前記表面に結合された、ロールプレス加工およびカレンダー加工されたフレキシブルグラファイトシート状のカバーを備えてなる、請求項3に記載の製品。
- 前記開溝が、前記流体通路が形成された後に形成された、請求項1に記載の製品。
- 前記開溝が、前記シート状の膨脹グラファイト粒子の圧縮材料の表面に機械的な衝撃を作用させ、前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させることにより形成された、請求項5に記載の製品。
- (i)対向する第一表面および第二表面、前記第一表面と前記第二表面との間を貫通する複数の流体通路、並びに、前記第一表面および前記第二表面の一方に形成された開溝を有するシート状の膨脹グラファイト粒子の圧縮材料と、
(ii)前記開溝が形成された前記表面に結合されて前記開溝のカバーとして用いられるフレキシブルグラファイトのシートと、
を備えた、PEM燃料電池用ガス拡散層に用いる基材であって、
前記開溝が、前記シート状の膨脹グラファイト粒子の圧縮材料内で前記複数の流体通路に通じ、
前記開溝が、溝床と、溝壁と、を有し、そして、
前記シート状の膨脹グラファイト粒子の圧縮材料には、前記溝壁を通って伸びる流体通路が設けられている
ことを特徴とする基材。 - 前記流体通路が、前記シート状の膨脹グラファイト粒子の圧縮材料の前記第一表面に複数の位置で機械的な衝撃を作用させて、前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させ、前記第一表面および前記第二表面の両方に開口部を有する前記流体通路を設けることにより形成された、請求項7に記載の基材。
- 前記流体通路が、前記シート状の膨脹グラファイト粒子の圧縮材料の前記第一表面に複数の位置で機械的な衝撃を作用させて、その位置において前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させ、前記第一表面および前記第二表面の両方に開口部を有する前記流体通路を設けることにより形成された、請求項7に記載の基材。
- 前記開溝が、前記開溝が形成された前記表面に結合されたフレキシブルグラファイトシート状のカバーを備えてなる、請求項7に記載の基材。
- 前記開溝が、前記開溝が形成された前記表面に結合された、ロールプレス加工およびカレンダー加工されたフレキシブルグラファイトシート状のカバーを備えてなる、請求項10に記載の基材。
- 前記開溝が、前記流体通路が形成された後に形成された、請求項7に記載の基材。
- 前記開溝が、前記シート状の膨脹グラファイト粒子の圧縮材料の表面に機械的な衝撃を作用させて、前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させることにより形成された、請求項12に記載の基材。
- PEM燃料電池用ガス拡散層に用いるグラファイト製品の形成方法であって、
対向する第一表面および第二表面を有するシート状の膨脹グラファイト粒子の圧縮材料を用意するステップと、
前記シート状の膨脹グラファイト粒子の圧縮材料に前記第一表面と前記第二表面との間を貫通する複数の流体通路を形成するステップと、
前記第一表面および前記第二表面の一方に、前記シート状の膨脹グラファイト粒子の圧縮材料内で前記複数の流体通路に通じる開溝を形成するステップと、を含み、
前記開溝が、溝床と、溝壁と、を有し、そして、
前記シート状の膨脹グラファイト粒子の圧縮材料には、前記溝壁を通って伸びる流体通路が設けられている
ことを特徴とする方法。 - 前記流体通路を、前記シート状の膨脹グラファイト粒子の圧縮材料の前記第一表面に複数の位置で機械的な衝撃を作用させて、その位置において前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させ、前記第一表面および前記第二表面の両方に開口部を有する前記流体通路を設けることにより形成する、請求項14に記載の方法。
- 前記開溝に、前記開溝が形成された前記表面に結合されたフレキシブルグラファイトシート状のカバーを設けるステップをさらに含んでなる、請求項14に記載の方法。
- 前記開溝に、前記開溝が形成された前記表面に結合された、ロールプレス加工およびカレンダー加工されたフレキシブルグラファイトシート状のカバーを設けるステップをさらに含んでなる、請求項16に記載の方法。
- 前記開溝を、前記流体通路を形成した後に形成する、請求項14に記載の方法。
- 前記開溝を、前記シート状の膨脹グラファイト粒子の圧縮材料の表面に機械的な衝撃を作用させて、前記シート状の膨脹グラファイト粒子の圧縮材料中のグラファイトを移動させることにより形成する、請求項18に記載の方法。
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US10/260,748 US20040072055A1 (en) | 2000-04-14 | 2002-09-30 | Graphite article useful as a fuel cell component substrate |
US10/260,748 | 2002-09-30 | ||
PCT/US2003/030513 WO2004031497A2 (en) | 2002-09-30 | 2003-09-26 | Graphite article useful as a fuel cell component substrate |
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JP (1) | JP4851091B2 (ja) |
KR (1) | KR101178305B1 (ja) |
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Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4406907B2 (ja) * | 2002-11-05 | 2010-02-03 | シーシーアイ株式会社 | 燃料電池用冷却液組成物 |
AU2003248060A1 (en) | 2003-07-11 | 2005-01-28 | Shishiai-Kabushikigaisha | Cooling fluid composition for fuel battery |
JP2005327613A (ja) * | 2004-05-14 | 2005-11-24 | Aisin Seiki Co Ltd | 燃料電池 |
JP4168047B2 (ja) * | 2005-08-16 | 2008-10-22 | 日本ピラー工業株式会社 | 伝熱シートおよび伝熱シートの製造方法 |
KR100728122B1 (ko) | 2005-11-29 | 2007-06-13 | 삼성에스디아이 주식회사 | 직접 산화형 연료 전지 |
EP1791203B1 (en) | 2005-11-29 | 2010-05-19 | Samsung SDI Co., Ltd. | Direct Oxidation Fuel Cell |
KR100728789B1 (ko) | 2005-11-29 | 2007-06-19 | 삼성에스디아이 주식회사 | 직접 산화형 연료 전지 |
EP2357695B1 (en) * | 2009-10-13 | 2015-08-12 | Panasonic Intellectual Property Management Co., Ltd. | Fuel cell and method for manufacturing same |
US9048468B2 (en) * | 2010-09-17 | 2015-06-02 | GM Global Technology Operations LLC | Method for forming channels on diffusion media for a membrane humidifier |
CN104205453B (zh) * | 2012-04-06 | 2016-03-30 | 日产自动车株式会社 | 燃料电池 |
US9700968B2 (en) | 2013-12-26 | 2017-07-11 | Terrella Energy Systems Ltd. | Apparatus and methods for processing exfoliated graphite materials |
US9706684B2 (en) | 2013-12-26 | 2017-07-11 | Terrella Energy Systems Ltd. | Exfoliated graphite materials and composite materials and devices for thermal management |
US20150311540A1 (en) * | 2014-04-29 | 2015-10-29 | Energyor Technologies Inc. | Method for producing fluid flow field plates |
JP6650625B2 (ja) * | 2014-09-29 | 2020-02-19 | パナソニックIpマネジメント株式会社 | 燃料電池用ガス拡散層、燃料電池 |
CN105134720A (zh) * | 2015-08-25 | 2015-12-09 | 江苏神州碳制品有限公司 | 一种石墨板粘合工艺 |
US11840013B2 (en) | 2018-02-27 | 2023-12-12 | Matthews International Corporation | Graphite materials and devices with surface micro-texturing |
CN112959725B (zh) * | 2021-02-02 | 2022-09-06 | 上海神力科技有限公司 | 一种燃料电池柔性石墨极板的辊压成型方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991581A (en) * | 1962-03-21 | 1965-05-12 | High Temperature Materials Inc | Expanded pyrolytic graphite and process for producing the same |
US4649091A (en) * | 1982-06-23 | 1987-03-10 | United Technologies Corporation | Fuel cell battery with improved membrane cooling |
US4895713A (en) * | 1987-08-31 | 1990-01-23 | Union Carbide Corporation | Intercalation of graphite |
US4988583A (en) * | 1989-08-30 | 1991-01-29 | Her Majesty The Queen As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Novel fuel cell fluid flow field plate |
US5300376A (en) * | 1992-09-15 | 1994-04-05 | The United States Of America As Represented By The Secretary Of The Army | Highly conductive electrolyte for use in an ambient temperature rechargeable lithium battery and ambient temperature rechargeable lithium battery including said electrolyte |
US5300370A (en) * | 1992-11-13 | 1994-04-05 | Ballard Power Systems Inc. | Laminated fluid flow field assembly for electrochemical fuel cells |
US5527363A (en) * | 1993-12-10 | 1996-06-18 | Ballard Power Systems Inc. | Method of fabricating an embossed fluid flow field plate |
US6242124B1 (en) * | 1995-07-05 | 2001-06-05 | Nisshinbo Industries, Inc. | Separator for polymer electrolyte fuel cells and processes for production thereof |
FR2754740B1 (fr) * | 1996-10-21 | 1998-12-04 | Elf Aquitaine | Composite actif a structure feuilletee comprenant un agent actif sous forme de granules |
US5885728A (en) * | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
US5902762A (en) * | 1997-04-04 | 1999-05-11 | Ucar Carbon Technology Corporation | Flexible graphite composite |
US5976726A (en) * | 1997-05-01 | 1999-11-02 | Ballard Power Systems Inc. | Electrochemical cell with fluid distribution layer having integral sealing capability |
US5976727A (en) * | 1997-09-19 | 1999-11-02 | Ucar Carbon Technology Corporation | Electrically conductive seal for fuel cell elements |
JP2922492B1 (ja) * | 1998-03-16 | 1999-07-26 | 日本ピラー工業株式会社 | フィルター部材、およびこれを用いたフィルター |
EP1009052B1 (en) * | 1998-06-02 | 2012-02-15 | Panasonic Corporation | Polymer electrolyte fuel cell and method of manufacture thereof |
US6037074A (en) * | 1998-07-07 | 2000-03-14 | Ucar Carbon Technology Corporation | Flexible graphite composite for use in the form of a fuel cell flow field plate |
US6087034A (en) * | 1998-07-09 | 2000-07-11 | Ucar Graph-Tech Inc. | Flexible graphite composite |
JP2001118587A (ja) * | 1999-10-15 | 2001-04-27 | Toshiba Corp | 固体高分子型燃料電池及びその運転方法 |
US6413671B1 (en) * | 2000-04-10 | 2002-07-02 | Gaftech Inc. | Flexible graphite article and fuel cell electrode with enhanced electrical and thermal conductivity |
EP1273064B8 (en) * | 2000-04-14 | 2012-03-28 | GrafTech International Holdings Inc. | Graphite article useful as an electrode for an electrochemical fuel cell |
JP3616787B2 (ja) * | 2000-04-14 | 2005-02-02 | 三興コントロール株式会社 | 燃料電池のスタック用セパレータ及びその製造方法 |
US6566004B1 (en) * | 2000-08-31 | 2003-05-20 | General Motors Corporation | Fuel cell with variable porosity gas distribution layers |
-
2002
- 2002-09-30 US US10/260,748 patent/US20040072055A1/en not_active Abandoned
-
2003
- 2003-09-26 AU AU2003276993A patent/AU2003276993A1/en not_active Abandoned
- 2003-09-26 JP JP2004541781A patent/JP4851091B2/ja not_active Expired - Fee Related
- 2003-09-26 EP EP03799294A patent/EP1546475A4/en not_active Withdrawn
- 2003-09-26 KR KR1020057005413A patent/KR101178305B1/ko not_active IP Right Cessation
- 2003-09-26 WO PCT/US2003/030513 patent/WO2004031497A2/en active Application Filing
- 2003-09-26 CN CNB038234092A patent/CN100438137C/zh not_active Expired - Fee Related
- 2003-09-26 CA CA002499499A patent/CA2499499A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR20050056219A (ko) | 2005-06-14 |
CN100438137C (zh) | 2008-11-26 |
AU2003276993A8 (en) | 2004-04-23 |
AU2003276993A1 (en) | 2004-04-23 |
EP1546475A2 (en) | 2005-06-29 |
EP1546475A4 (en) | 2007-12-05 |
WO2004031497A2 (en) | 2004-04-15 |
CN1689176A (zh) | 2005-10-26 |
KR101178305B1 (ko) | 2012-08-29 |
US20040072055A1 (en) | 2004-04-15 |
JP2006501621A (ja) | 2006-01-12 |
WO2004031497A3 (en) | 2004-06-17 |
CA2499499A1 (en) | 2004-04-15 |
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