JP2004207231A5 - - Google Patents
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- JP2004207231A5 JP2004207231A5 JP2003409494A JP2003409494A JP2004207231A5 JP 2004207231 A5 JP2004207231 A5 JP 2004207231A5 JP 2003409494 A JP2003409494 A JP 2003409494A JP 2003409494 A JP2003409494 A JP 2003409494A JP 2004207231 A5 JP2004207231 A5 JP 2004207231A5
- Authority
- JP
- Japan
- Prior art keywords
- electrolyte membrane
- fuel cell
- electrode assembly
- carbon fiber
- woven fabric
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Claims (7)
前記ガス拡散層の基材が、電子伝導性炭素繊維からなる縦糸および横糸で織った炭素繊維織布であり、前記縦糸および横糸の交点間に開口が形成されていることを特徴とする燃料電池用電解質膜−電極接合体。 An electrolyte membrane-electrode comprising a polymer electrolyte membrane and a pair of electrodes sandwiching the polymer electrolyte membrane, wherein the electrode comprises a catalyst layer in contact with the polymer electrolyte membrane and a gas diffusion layer having a water repellent layer in contact with the catalyst layer A joined body,
A fuel cell characterized in that the base material of the gas diffusion layer is a carbon fiber woven fabric woven with warp and weft made of electron conductive carbon fibers, and an opening is formed between the intersections of the warp and weft. Electrolyte membrane-electrode assembly for use.
1/1500≦(10/W−Y)(10/Z−X)/XY≦1/5
の関係を満たす請求項1記載の燃料電池用電解質膜−電極接合体。 When the warp yarn density of the carbon fiber woven fabric is Z / cm, the weft yarn density is W / cm, the warp yarn thickness is X mm, and the weft yarn thickness is Y mm,
1/1500 ≦ (10 / W−Y) (10 / Z−X) / XY ≦ 1/5
The electrolyte membrane-electrode assembly for a fuel cell according to claim 1 satisfying the relationship:
前記一対の電極のうちの一方に加湿した燃料ガスを供給し、前記一対の電極のうちの他方の電極に加湿した酸化剤ガスを供給し、Supplying a humidified fuel gas to one of the pair of electrodes, supplying a humidified oxidant gas to the other of the pair of electrodes,
前記燃料ガスの露点および前記酸化剤ガスの露点を、前記電解質膜−電極接合体の運転時の温度に対して同一温度あるいは5℃以内の範囲内で低い温度にコントロールして発電させることを特徴とする燃料電池の運転方法。Electric power is generated by controlling the dew point of the fuel gas and the dew point of the oxidant gas to the same temperature or lower temperature within 5 ° C. with respect to the temperature during operation of the electrolyte membrane-electrode assembly. A fuel cell operating method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003409494A JP2004207231A (en) | 2002-12-11 | 2003-12-08 | Electrolyte membrane-electrode junction body for fuel cell and fuel cell operating method using it |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002359314 | 2002-12-11 | ||
JP2003409494A JP2004207231A (en) | 2002-12-11 | 2003-12-08 | Electrolyte membrane-electrode junction body for fuel cell and fuel cell operating method using it |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004207231A JP2004207231A (en) | 2004-07-22 |
JP2004207231A5 true JP2004207231A5 (en) | 2006-10-26 |
Family
ID=32828571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003409494A Pending JP2004207231A (en) | 2002-12-11 | 2003-12-08 | Electrolyte membrane-electrode junction body for fuel cell and fuel cell operating method using it |
Country Status (1)
Country | Link |
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JP (1) | JP2004207231A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4054837B2 (en) | 2005-01-14 | 2008-03-05 | 松下電器産業株式会社 | Fuel cell stack and fuel cell |
KR100742739B1 (en) | 2005-07-15 | 2007-07-25 | 경상대학교산학협력단 | Thread-type flexible battery |
CN101425584B (en) * | 2007-11-02 | 2011-05-04 | 清华大学 | Fuel cell membrane electrode and preparation thereof |
CN101635362B (en) | 2008-07-25 | 2012-03-28 | 清华大学 | Membrane electrode and fuel cell adopting same |
US9077042B2 (en) | 2008-07-25 | 2015-07-07 | Tsinghua University | Membrane electrode assembly and biofuel cell using the same |
CN101752567B (en) | 2008-12-17 | 2012-09-19 | 清华大学 | Membrane electrode and fuel cell thereof |
CN101752568B (en) | 2008-12-17 | 2012-06-20 | 清华大学 | Membrane electrode and biological fuel cell thereof |
KR101072289B1 (en) | 2010-07-02 | 2011-10-11 | 주식회사 샤인 | Battery electrode assembly having fiber-shaped structures |
KR101072292B1 (en) | 2010-08-14 | 2011-10-11 | 주식회사 샤인 | Electrode assembly having fiber-shaped structures and battery |
JP6183065B2 (en) * | 2012-08-31 | 2017-08-23 | 三菱ケミカル株式会社 | Porous carbon electrode and manufacturing method thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4293396A (en) * | 1979-09-27 | 1981-10-06 | Prototech Company | Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same |
JPH07169469A (en) * | 1993-12-16 | 1995-07-04 | Toyota Motor Corp | Electrode |
JP3644007B2 (en) * | 1998-08-11 | 2005-04-27 | 株式会社豊田中央研究所 | Fuel cell |
JP2000299113A (en) * | 1999-02-10 | 2000-10-24 | Toray Ind Inc | Conductive sheet and electrode base material for fuel cell using it |
JP4547754B2 (en) * | 2000-02-10 | 2010-09-22 | 三菱樹脂株式会社 | Pitch-based carbon fiber fabric |
JP4475743B2 (en) * | 2000-05-31 | 2010-06-09 | パナソニック株式会社 | Gas diffusion layer |
CN1220802C (en) * | 2000-11-24 | 2005-09-28 | 东邦泰纳克丝株式会社 | Carbon fiber sheet and method for producing the same |
JP4329296B2 (en) * | 2001-02-28 | 2009-09-09 | 三菱化学株式会社 | Conductive carbon fiber sheet and polymer electrolyte fuel cell |
JP2002324557A (en) * | 2001-04-27 | 2002-11-08 | Mitsubishi Electric Corp | Solid polymer fuel cell |
JP3442061B2 (en) * | 2001-05-29 | 2003-09-02 | 東邦テナックス株式会社 | Flat carbon fiber spun yarn woven structural material |
JP2003163009A (en) * | 2001-11-27 | 2003-06-06 | Asahi Glass Co Ltd | Solid polymer fuel battery |
JP4283010B2 (en) * | 2002-03-13 | 2009-06-24 | 三菱化学株式会社 | Conductive carbonaceous fiber woven fabric and polymer electrolyte fuel cell using the same |
JP3972705B2 (en) * | 2002-03-26 | 2007-09-05 | 松下電器産業株式会社 | Electrolyte membrane electrode assembly, method for producing the same, and fuel cell |
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2003
- 2003-12-08 JP JP2003409494A patent/JP2004207231A/en active Pending
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