JP4218569B2 - セパレータ及びそれを用いた燃料電池 - Google Patents
セパレータ及びそれを用いた燃料電池 Download PDFInfo
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- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
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- 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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Description
また、ガス拡散電極とセパレータの接触面の面積を、十分なガス拡散のために小さくしつつ、ガス拡散部全体にわたって部分的な偏りがなく、幅の狭い線状の網目の接触による接触圧の高い均一な接触面を確保することができ、それにより集電抵抗の軽減も可能となる。
更に、セパレータを網状部材の折り曲げ加工により形成しているため、高度の技術を要しない単純な加工によりセパレータ延いては燃料電池の生産性を向上させることができる。
特に、金網状部材がガス拡散部の幅を4として、ガス拡散部同士の間隔を1とする矩形波板状に繰り返し折り曲げられている構成では、供給ガス通路における圧損が低減され、ガス拡散電極への効率のよりガス供給が可能となる。
10B セパレータ
11 電解質
12,13 ガス拡散電極
141,151 ガス拡散部
142,152 スペーサ部
143,153 通気孔
A,H ガス通路
Claims (1)
- 高分子電解質膜(11)を電極(12,13)で挟んだ単位セル(10A)を互いに積層すべく、前記単位セル間にセパレータ(10B)が挿入された燃料電池において、
前記セパレータは、前記電極の表面のカーボンから成るガス拡散層を覆うように配置され、多数のガス拡散用の形状が菱形である通気孔(143,153)が、該通気孔同士の縁間の間隔が0.3mm以下で形成されたガス拡散部(141,151)と、
該ガス拡散部の前記電極の表面を覆う部分の裏側に、平行に分割されたガス通路(A,H)を形成するスペーサ部(142,152)とを備え、
前記ガス拡散部(141,151)とスペーサ部(142,152)とは、エキスパンドメタルから成る金網を断面矩形波板状に折り曲げることでガス拡散部(141,151)が前記電極の表面に接し、スペーサ部(142,152)がガス拡散部(141,151)から立ち上がるように一体に形成されていることを特徴とする燃料電池。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004101009A JP4218569B2 (ja) | 2004-03-30 | 2004-03-30 | セパレータ及びそれを用いた燃料電池 |
US11/087,682 US8039163B2 (en) | 2004-03-30 | 2005-03-24 | Separator and fuel cell using that separator |
KR1020050025714A KR100802881B1 (ko) | 2004-03-30 | 2005-03-29 | 세퍼레이터 및 이것을 이용한 연료 전지 |
DE102005014170A DE102005014170A1 (de) | 2004-03-30 | 2005-03-29 | Separator und Brennstoffzelle mit diesem Separator |
CNA2005100625475A CN1677714A (zh) | 2004-03-30 | 2005-03-29 | 隔板及采用该隔板的燃料电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004101009A JP4218569B2 (ja) | 2004-03-30 | 2004-03-30 | セパレータ及びそれを用いた燃料電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005285685A JP2005285685A (ja) | 2005-10-13 |
JP4218569B2 true JP4218569B2 (ja) | 2009-02-04 |
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ID=35050105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004101009A Expired - Fee Related JP4218569B2 (ja) | 2004-03-30 | 2004-03-30 | セパレータ及びそれを用いた燃料電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8039163B2 (ja) |
JP (1) | JP4218569B2 (ja) |
KR (1) | KR100802881B1 (ja) |
CN (1) | CN1677714A (ja) |
DE (1) | DE102005014170A1 (ja) |
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JP5337936B2 (ja) * | 2008-11-28 | 2013-11-06 | 日産自動車株式会社 | 固体高分子形燃料電池 |
JP5067577B2 (ja) * | 2008-12-01 | 2012-11-07 | トヨタ自動車株式会社 | 燃料電池 |
JP5470232B2 (ja) * | 2010-12-08 | 2014-04-16 | 本田技研工業株式会社 | 平板型固体電解質燃料電池 |
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JP5907441B2 (ja) | 2012-04-06 | 2016-04-26 | 日産自動車株式会社 | 燃料電池 |
KR101491349B1 (ko) | 2013-11-19 | 2015-02-06 | 현대자동차주식회사 | 연료전지 스택 |
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US20040200187A1 (en) * | 2002-11-27 | 2004-10-14 | Warrier Sunil G. | Compliant, strain tolerant interconnects for solid oxide fuel cell stack |
US8048587B2 (en) * | 2002-11-27 | 2011-11-01 | Delphi Technologies, Inc. | Compliant current collector for fuel cell anode and cathode |
JP3658391B2 (ja) | 2002-12-25 | 2005-06-08 | 本田技研工業株式会社 | 燃料電池 |
US7056608B2 (en) | 2003-02-14 | 2006-06-06 | Relion, Inc. | Current collector for use in a fuel cell |
JP2005353521A (ja) * | 2004-06-14 | 2005-12-22 | Hitachi Ltd | 固体高分子形燃料電池、燃料電池用金属セパレータ及び燃料電池用キット |
JP2006277965A (ja) * | 2005-03-28 | 2006-10-12 | Matsushita Electric Works Ltd | 燃料電池用セパレータ |
JP2008004024A (ja) * | 2006-06-26 | 2008-01-10 | Fujitsu Ltd | レイアウト設計プログラム、該プログラムを記録した記録媒体、レイアウト設計装置、およびレイアウト設計方法 |
-
2004
- 2004-03-30 JP JP2004101009A patent/JP4218569B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-24 US US11/087,682 patent/US8039163B2/en not_active Expired - Fee Related
- 2005-03-29 CN CNA2005100625475A patent/CN1677714A/zh active Pending
- 2005-03-29 KR KR1020050025714A patent/KR100802881B1/ko not_active IP Right Cessation
- 2005-03-29 DE DE102005014170A patent/DE102005014170A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
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CN1677714A (zh) | 2005-10-05 |
DE102005014170A1 (de) | 2005-11-10 |
US20050221146A1 (en) | 2005-10-06 |
KR100802881B1 (ko) | 2008-02-13 |
JP2005285685A (ja) | 2005-10-13 |
KR20060044875A (ko) | 2006-05-16 |
US8039163B2 (en) | 2011-10-18 |
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