ATE412982T1 - Elektrolytmembranelectrodenanordnung, brennstoffzelle damit und herstellungsverfahren dafür - Google Patents

Elektrolytmembranelectrodenanordnung, brennstoffzelle damit und herstellungsverfahren dafür

Info

Publication number
ATE412982T1
ATE412982T1 AT03712947T AT03712947T ATE412982T1 AT E412982 T1 ATE412982 T1 AT E412982T1 AT 03712947 T AT03712947 T AT 03712947T AT 03712947 T AT03712947 T AT 03712947T AT E412982 T1 ATE412982 T1 AT E412982T1
Authority
AT
Austria
Prior art keywords
fuel cell
electrolyte membrane
fabric
diffusion layer
gas diffusion
Prior art date
Application number
AT03712947T
Other languages
English (en)
Inventor
Akihiko Yoshida
Yoshihiro Hori
Makoto Uchida
Eiichi Yasumoto
Yasuo Takebe
Osamu Sakai
Shinya Kosako
Takeshi Yonamine
Masaki Yamauchi
Yasushi Sugawara
Junji Morita
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of ATE412982T1 publication Critical patent/ATE412982T1/de

Links

Classifications

    • 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
    • H01M8/023—Porous and characterised by the material
    • H01M8/0234—Carbonaceous material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/275—Carbon fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96—Carbon-based electrodes
    • 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
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/10—Inorganic fibres based on non-oxides other than metals
    • D10B2101/12—Carbon; Pitch
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • D10B2201/24—Viscose
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive
    • 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)
AT03712947T 2002-03-26 2003-03-25 Elektrolytmembranelectrodenanordnung, brennstoffzelle damit und herstellungsverfahren dafür ATE412982T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002085273 2002-03-26
JP2002085279 2002-03-26

Publications (1)

Publication Number Publication Date
ATE412982T1 true ATE412982T1 (de) 2008-11-15

Family

ID=28456256

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03712947T ATE412982T1 (de) 2002-03-26 2003-03-25 Elektrolytmembranelectrodenanordnung, brennstoffzelle damit und herstellungsverfahren dafür

Country Status (8)

Country Link
US (1) US7150934B2 (de)
EP (1) EP1505673B1 (de)
JP (1) JP4439922B2 (de)
CN (1) CN1309106C (de)
AT (1) ATE412982T1 (de)
CA (1) CA2480342C (de)
DE (1) DE60324415D1 (de)
WO (1) WO2003081700A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7455928B2 (en) * 2003-08-18 2008-11-25 General Motors Corporation Diffusion media for use in a PEM fuel cell
WO2005027244A2 (en) * 2003-09-10 2005-03-24 Hollingsworth & Vose Company Fuel cell gas diffusion layer
JP4154315B2 (ja) * 2003-11-21 2008-09-24 本田技研工業株式会社 燃料電池
JP4824298B2 (ja) * 2003-12-04 2011-11-30 パナソニック株式会社 燃料電池用ガス拡散層、電極及び膜電極接合体及びその製造方法
JP4083784B2 (ja) * 2004-10-19 2008-04-30 松下電器産業株式会社 膜電極接合体、その製造方法及び高分子電解質形燃料電池
CN100521329C (zh) 2005-01-14 2009-07-29 松下电器产业株式会社 燃料电池用堆栈以及燃料电池
JP2006252939A (ja) * 2005-03-10 2006-09-21 Toshiba Corp 燃料電池システム
FR2890492B1 (fr) * 2005-09-08 2007-10-05 Commissariat Energie Atomique Micropile a combustible avec une membrane electrolytique renforcee par un element d'ancrage et procede de fabrication d'une micropile a combustible.
TWI296449B (en) * 2006-01-04 2008-05-01 Univ Feng Chia Porous carbon electrode substrates and methods for preparing the same
JP5106808B2 (ja) * 2006-07-31 2012-12-26 三菱レイヨン株式会社 多孔質炭素電極基材およびそれを用いた固体高分子型燃料電池
US20080199738A1 (en) * 2007-02-16 2008-08-21 Bloom Energy Corporation Solid oxide fuel cell interconnect
JP5024606B2 (ja) * 2007-03-29 2012-09-12 トヨタ自動車株式会社 燃料電池とその製造方法
JP5012299B2 (ja) * 2007-08-07 2012-08-29 トヨタ自動車株式会社 ガス拡散層の製造方法、膜電極接合体の製造方法、燃料電池の製造方法、および、ガス拡散層
US8986905B2 (en) 2008-11-11 2015-03-24 Bloom Energy Corporation Fuel cell interconnect
JP5421227B2 (ja) 2010-07-05 2014-02-19 株式会社日本自動車部品総合研究所 燃料電池のガス拡散層の製造方法、製造装置および燃料電池
CN103270632B (zh) * 2010-12-24 2017-02-15 丰田自动车株式会社 燃料电池及其制造方法
US10256494B2 (en) * 2011-08-09 2019-04-09 Panasonic Intellectual Property Management Co. Ltd. Electrolyte membrane for solid polymer fuel cell, method for manufacturing same, and solid polymer fuel cell
TWI549348B (zh) 2011-11-18 2016-09-11 博隆能源股份有限公司 燃料電池之互連體及製造方法
DE102012002211A1 (de) * 2012-02-04 2013-08-08 Volkswagen Aktiengesellschaft Prüfverfahren zur Identifikation eines elektrischen Kurzschlusses innerhalb eines Brennstoffzellenstapels
JP5592906B2 (ja) * 2012-02-08 2014-09-17 トヨタ自動車株式会社 燃料電池用のガス拡散層と燃料電池、および燃料電池用のガス拡散層の製造方法
US9478812B1 (en) 2012-10-17 2016-10-25 Bloom Energy Corporation Interconnect for fuel cell stack
CN104769762A (zh) 2012-11-06 2015-07-08 博隆能源股份有限公司 用于燃料电池堆叠的经改进互连件及端板设计
WO2015050855A1 (en) 2013-10-01 2015-04-09 Bloom Energy Corporation Pre-formed powder delivery to powder press machine
US9993874B2 (en) 2014-02-25 2018-06-12 Bloom Energy Corporation Composition and processing of metallic interconnects for SOFC stacks
CN108370040B (zh) 2015-12-24 2021-09-10 东丽株式会社 气体扩散电极和燃料电池
CN108541350B (zh) * 2015-12-24 2020-12-11 东丽株式会社 气体扩散电极及其制造方法
KR102687872B1 (ko) 2015-12-24 2024-07-25 도레이 카부시키가이샤 가스 확산 전극
WO2017221699A1 (ja) * 2016-06-20 2017-12-28 パナソニックＩｐマネジメント株式会社 燃料電池
JP6956352B2 (ja) * 2016-08-06 2021-11-02 株式会社不二越 燃料電池ガス拡散層用炭素繊維織物および燃料電池セル
WO2019087246A1 (ja) * 2017-10-30 2019-05-09 株式会社不二越 燃料電池ガス拡散層用炭素繊維織物および燃料電池セル
CN108489642A (zh) * 2018-02-27 2018-09-04 浙江理工大学 电容式曲面压力分布传感装置、制作方法及其测力方法
JP6887975B2 (ja) * 2018-09-07 2021-06-16 矢崎総業株式会社 樹脂装飾部品及び文字板
JP6889134B2 (ja) 2018-09-07 2021-06-18 矢崎総業株式会社 樹脂装飾部品及び文字板
JP2020041851A (ja) * 2018-09-07 2020-03-19 矢崎総業株式会社 樹脂装飾部品及び文字板
KR102664327B1 (ko) * 2018-12-05 2024-05-08 주식회사 제이앤티지 일방향으로 배향된 탄소 섬유를 포함하는 탄소 기재 및 이를 채용한 기체확산층
CN110112425B (zh) * 2019-04-18 2021-12-24 上海交通大学 一种质子交换膜燃料电池的气体扩散层
EP4152487A4 (de) * 2020-05-15 2023-07-19 Ningde Amperex Technology Ltd. Verpackungsfolie, elektrochemische vorrichtung und elektronische vorrichtung
JP7838485B2 (ja) * 2020-10-22 2026-04-01 Ａｇｃ株式会社 電解質膜、電解装置およびレドックスフロー電池
KR20220090242A (ko) * 2020-12-22 2022-06-29 현대자동차주식회사 연료전지용 기체확산층 및 그 제조방법과 이를 포함하는 연료전지용 단위셀
JP2024075814A (ja) * 2021-04-02 2024-06-05 住友電気工業株式会社 電極、電池セル、及びレドックスフロー電池
DE102021108981A1 (de) 2021-04-12 2022-10-13 Audi Aktiengesellschaft Brennstoffzellenstapel mit komprimierbarer Gewebestruktur
CN113707892B (zh) * 2021-08-27 2022-12-27 广州市香港科大霍英东研究院 燃料电池用气体扩散层及其制备方法
JP7847004B2 (ja) * 2022-02-25 2026-04-16 東レ株式会社 炭素繊維電極材料

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2836457B2 (ja) * 1993-10-26 1998-12-14 東レ株式会社 炭素繊維織物とその製造方法および装置
JPH08124583A (ja) 1994-10-20 1996-05-17 Toyota Motor Corp 燃料電池
JPH0978396A (ja) * 1995-09-04 1997-03-25 Toray Ind Inc 炭素繊維パイル布帛
JP3773325B2 (ja) 1997-03-17 2006-05-10 ジャパンゴアテックス株式会社 高分子固体電解質燃料電池用ガス拡散層材料及びその接合体
US6261675B1 (en) * 1999-03-23 2001-07-17 Hexcel Corporation Core-crush resistant fabric and prepreg for fiber reinforced composite sandwich structures
CN1254875C (zh) * 1999-08-27 2006-05-03 松下电器产业株式会社 高分子电解质型燃料电池
JP2001085019A (ja) * 1999-09-17 2001-03-30 Asahi Glass Co Ltd 固体高分子型燃料電池およびそのための電極の製造方法
US6641862B1 (en) * 1999-09-24 2003-11-04 Ion Power, Inc. Preparation of fuel cell electrode assemblies
JP4547754B2 (ja) * 2000-02-10 2010-09-22 三菱樹脂株式会社 ピッチ系炭素繊維織物
JP4475743B2 (ja) * 2000-05-31 2010-06-09 パナソニック株式会社 ガス拡散層
CA2417247C (en) * 2000-07-26 2010-05-04 Ballard Power Systems Inc. Carbon-matrix composites, compositions and methods related thereto
JP5050294B2 (ja) * 2000-10-17 2012-10-17 トヨタ自動車株式会社 固体高分子電解質型燃料電池の拡散層とその製造方法
KR100661785B1 (ko) 2000-11-24 2006-12-28 도호 테낙구스 가부시키가이샤 탄소섬유 시트 및 이의 제조 방법
JP4329296B2 (ja) 2001-02-28 2009-09-09 三菱化学株式会社 導電性炭素質繊維シート及び固体高分子型燃料電池
US20020160252A1 (en) * 2001-02-28 2002-10-31 Mitsubishi Chemical Corporation Conductive carbonaceous-fiber sheet and solid polymer electrolyte fuel cell
US20030022055A1 (en) * 2001-04-11 2003-01-30 Jameel Menashi Fuel cells and other products containing modified carbon products
JP3442061B2 (ja) * 2001-05-29 2003-09-02 東邦テナックス株式会社 扁平炭素繊維紡績糸織物構造材
JP2003045443A (ja) * 2001-07-27 2003-02-14 Toho Tenax Co Ltd 高分子電解質型燃料電池電極材用炭素繊維不織布、及びその製造方法
JP4002426B2 (ja) * 2001-07-27 2007-10-31 東邦テナックス株式会社 高分子電解質型燃料電池電極材用炭素繊維紡績糸織物構造体、及びその製造方法
CA2463777A1 (en) * 2001-10-16 2003-04-24 Toray Industries, Inc. Fuel cell-use carbon fiber woven fabric, electrode element, fuel cell, mobile unit, and production method for fuel cell-use carbon fiber woven fabric

Also Published As

Publication number Publication date
JPWO2003081700A1 (ja) 2005-07-28
DE60324415D1 (de) 2008-12-11
EP1505673A4 (de) 2006-07-19
EP1505673B1 (de) 2008-10-29
JP4439922B2 (ja) 2010-03-24
CN1309106C (zh) 2007-04-04
WO2003081700A1 (en) 2003-10-02
US20050142430A1 (en) 2005-06-30
CA2480342C (en) 2010-10-12
CA2480342A1 (en) 2003-10-02
CN1650452A (zh) 2005-08-03
US7150934B2 (en) 2006-12-19
EP1505673A1 (de) 2005-02-09

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