JP5969000B2 - プロトン交換膜を備える高寿命の燃料電池 - Google Patents
プロトン交換膜を備える高寿命の燃料電池 Download PDFInfo
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- JP5969000B2 JP5969000B2 JP2014501615A JP2014501615A JP5969000B2 JP 5969000 B2 JP5969000 B2 JP 5969000B2 JP 2014501615 A JP2014501615 A JP 2014501615A JP 2014501615 A JP2014501615 A JP 2014501615A JP 5969000 B2 JP5969000 B2 JP 5969000B2
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- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
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- H—ELECTRICITY
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- H01M2004/8689—Positive electrodes
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Description
C + 2H2O → CO2 + 4H+ + 4e−
−プロトン交換膜と、
−プロトン交換膜の各側に固定されたアノードとカソードとを備え、前記アノードが、酸素(O2)導入部と水排出部との間の流路となっている燃料電池に関する。
カソードは、触媒が固定された第1グラファイト材料、及び触媒が固定された第2の材料よりなる触媒支持材を備え、前記第2の材料は、第1グラファイト材料よりもすぐれた酸素耐食性を有し、導入部における第2の材料の量は、排出部における第2の材料の量よりも多い。
カソードは、第1の材料を含む第1層と、第2の材料を含む第2層とを備え、第2層の厚さは、導入部と排出部との間で連続的に薄くなっている。
H2 → 2H+ + 2e− (アノードにおいて)
4H+ + 4e− + O2 → 2H2O (カソードにおいて)
下記の実施例において、排出部166は、導入部162と対向し、導入部168は排出部164と対向している。従って、水素(H2)と酸素(O2)は、セル1の内部を反対方向に流れる。酸素(O2)の拡散は、導入部162において、格別な重要性を有している。即ち、この領域は最も腐食を受ける部分である。導入部162において、酸素(O2)の限定された部分のみが、カソード124と反応し、導入部162は、アノード122における水素(H2)排出部、即ち、その箇所で、酸素(O2)と反応可能な水素(H2)の量が更に減少する。導入部162において、拡散した酸素(O2)は、カソード124の炭素支持体の腐食反応に由来するプロトンと反応する傾向がある。
カソード124に使用される触媒材料は、すぐれた触媒性能を有する白金よりなっているのがよい。
110 燃料供給源
112 空気供給源
120 電解質膜
122 アノード
124 カソード
132,134 気体拡散層
142,144 案内プレート
152,154 領域
162 第2導入部
164 第2排出部
166 第1排出部
168 第1導入部
Z5,Z6 層
Claims (5)
- −プロトン交換膜(120)と、
−プロトン交換膜(120)の両側に固定されたアノード(122)とカソード(124)とを備え、前記カソード(124)が、酸素(O2)導入部(162)と水排出部(164)との間の流路を定めている燃料電池(1)において、
−カソード(124)は、触媒が固定された第1グラファイト材料(Z6)及び触媒が固定された第2の材料(Z5)よりなる触媒支持材を備え、前記第2の材料は、第1グラファイト材料(Z6)よりもすぐれた酸素耐食性を示し、導入部における第2の材料の量は、排出部における第2の材料の量よりも多く、
−カソードは、第1の材料を含む第1層(Z6)と第2の材料を含む第2層(Z5)を備え、この第2層(Z5)は、導入部(162)と排出部(164)との間で連続的に薄くなっていることを特徴とする燃料電池。 - 導入部における第2の材料の濃度は、10質量%よりも高い請求項1に記載の燃料電池。
- 導入部における第2の材料の濃度は、排出部における第2の材料の濃度よりも、少なくとも50%高い請求項1若しくは2に記載の燃料電池。
- 第2の材料は、フラーレン、TiO2及びSnO2からなる群より選択されている請求項1〜3のいずれか1項に記載の燃料電池。
- アノード(122)が、水素(H2)導入部(168)と水素(H2)排出部(166)との間の流路を定め、水素排出部(166)が、酸素(O2)導入部(162)と対向するように配置されている請求項1〜4のいずれか1項に記載の燃料電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1152744A FR2973582A1 (fr) | 2011-03-31 | 2011-03-31 | Pile a combustible a membrane d'echange de protons presentant une duree de vie accrue |
FR1152744 | 2011-03-31 | ||
PCT/EP2012/055618 WO2012130931A1 (fr) | 2011-03-31 | 2012-03-29 | Pile a combustible a membrane d'echange de protons presentant une duree de vie accrue |
Publications (2)
Publication Number | Publication Date |
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JP2014513388A JP2014513388A (ja) | 2014-05-29 |
JP5969000B2 true JP5969000B2 (ja) | 2016-08-10 |
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JP2014501615A Active JP5969000B2 (ja) | 2011-03-31 | 2012-03-29 | プロトン交換膜を備える高寿命の燃料電池 |
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Country | Link |
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US (1) | US9735442B2 (ja) |
EP (1) | EP2692005B1 (ja) |
JP (1) | JP5969000B2 (ja) |
KR (1) | KR20140020298A (ja) |
FR (1) | FR2973582A1 (ja) |
WO (1) | WO2012130931A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2997230A1 (fr) * | 2012-10-22 | 2014-04-25 | Commissariat Energie Atomique | Pile a combustible a membrane echangeuse de protons presentant une duree de vie et des performances accrues |
JP6728127B2 (ja) | 2014-07-08 | 2020-07-22 | ビーディーエフ アイピー ホールディングス リミテッド | 電気化学的電池のためのカソード設計 |
DE102021214185A1 (de) | 2021-12-13 | 2023-06-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Katalysator-beschichtete Membran sowie Verfahren zum Herstellen einer katalysator-beschichteten Membran |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US6855453B2 (en) * | 2002-12-30 | 2005-02-15 | Utc Fuel Cells, Llc | Fuel cell having a corrosion resistant and protected cathode catalyst layer |
JP2005135671A (ja) * | 2003-10-29 | 2005-05-26 | Nissan Motor Co Ltd | 燃料電池用電極 |
JP2005317492A (ja) * | 2004-03-31 | 2005-11-10 | Dainippon Printing Co Ltd | 燃料電池、電極−電解質膜接合体、触媒層付き電極基材、それらの製造方法及び転写シート |
US7648788B2 (en) * | 2004-04-28 | 2010-01-19 | Nissan Motor Co., Ltd. | Membrane-electrode assembly for fuel cell and fuel cell using same |
JP5044920B2 (ja) * | 2004-11-25 | 2012-10-10 | 日産自動車株式会社 | 固体高分子型燃料電池 |
JP2007335162A (ja) * | 2006-06-13 | 2007-12-27 | Matsushita Electric Ind Co Ltd | 膜触媒層接合体、膜電極接合体および高分子電解質形燃料電池 |
JP2008288006A (ja) * | 2007-05-17 | 2008-11-27 | Kyushu Institute Of Technology | エタノール燃料電池電極用触媒、エタノール燃料電池用膜・電極接合体およびエタノール燃料電池 |
CN102847538B (zh) * | 2007-07-06 | 2016-07-06 | M技术株式会社 | 由球碳形成的结晶的制造方法及制造装置 |
JP2009026539A (ja) * | 2007-07-18 | 2009-02-05 | Toyota Motor Corp | 燃料電池用膜電極接合体 |
JP2009064604A (ja) * | 2007-09-05 | 2009-03-26 | Toyota Motor Corp | 燃料電池セル及び燃料電池スタック |
KR100953616B1 (ko) * | 2008-05-08 | 2010-04-20 | 삼성에스디아이 주식회사 | 고분자, 이를 포함하는 연료 전지용 막-전극 어셈블리, 및이를 포함하는 연료 전지 시스템 |
JP5188872B2 (ja) * | 2008-05-09 | 2013-04-24 | パナソニック株式会社 | 直接酸化型燃料電池 |
-
2011
- 2011-03-31 FR FR1152744A patent/FR2973582A1/fr not_active Withdrawn
-
2012
- 2012-03-29 EP EP12710960.1A patent/EP2692005B1/fr active Active
- 2012-03-29 KR KR1020137028105A patent/KR20140020298A/ko not_active Application Discontinuation
- 2012-03-29 US US14/008,609 patent/US9735442B2/en active Active
- 2012-03-29 WO PCT/EP2012/055618 patent/WO2012130931A1/fr active Application Filing
- 2012-03-29 JP JP2014501615A patent/JP5969000B2/ja active Active
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Publication number | Publication date |
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US9735442B2 (en) | 2017-08-15 |
JP2014513388A (ja) | 2014-05-29 |
KR20140020298A (ko) | 2014-02-18 |
US20140193740A1 (en) | 2014-07-10 |
EP2692005B1 (fr) | 2015-01-28 |
WO2012130931A1 (fr) | 2012-10-04 |
EP2692005A1 (fr) | 2014-02-05 |
FR2973582A1 (fr) | 2012-10-05 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |