JP2012059402A - アノード側およびカソード側の電極触媒と膜電極接合体および燃料電池セル - Google Patents
アノード側およびカソード側の電極触媒と膜電極接合体および燃料電池セル Download PDFInfo
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- 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
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- Inert Electrodes (AREA)
Abstract
【解決手段】膜電極接合体400を形成するアノード側とカソード側の電極触媒300,200であって、アノード側の電極触媒300を形成する触媒担持担体10の酸基密度をY(mmol/g)、カソード側の電極触媒を形成する触媒担持担体10の酸基密度をX(mmol/g)とした際に、双方の酸基密度が以下の2式で規定される範囲内の酸基密度となっている、
(1)Y=−0.5X+0.83、(2)Y=−0.5X+1.03。
【選択図】図1
Description
本発明者等は、カソード側電極触媒の酸基密度を変化させ、各酸基密度のカソード側電極触媒ごとにアノード側電極触媒の酸基密度を変化させた際の燃料電池セルを作成し、それぞれの燃料電池セルにおける発電電圧値を測定した。
Y=−0.5X+0.93・・・・・・(式1)
Y=−0.5X+0.83・・・・・(式2)
Y=−0.5X+1.03・・・・・(式3)
Claims (3)
- 膜電極接合体を形成するアノード側とカソード側の電極触媒であって、
アノード側の電極触媒を形成する触媒担持担体の酸基密度をY(mmol/g)、カソード側の電極触媒を形成する触媒担持担体の酸基密度をX(mmol/g)とした際に、双方の酸基密度が以下の2式で規定される範囲内の酸基密度となっている、
(1)Y=−0.5X+0.83、
(2)Y=−0.5X+1.03、
アノード側およびカソード側の電極触媒。 - 請求項1に記載の電極触媒を電解質膜のアノード側およびカソード側のそれぞれに備えてなる膜電極接合体。
- 請求項2に記載の膜電極接合体を備えてなる燃料電池セル。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011156511A (ja) * | 2010-02-03 | 2011-08-18 | Toyota Motor Corp | 電極触媒、膜電極接合体および燃料電池セル |
JP2014207194A (ja) * | 2013-04-16 | 2014-10-30 | トヨタ自動車株式会社 | 燃料電池 |
JP2018198182A (ja) * | 2017-05-25 | 2018-12-13 | パナソニックIpマネジメント株式会社 | 燃料電池用電極触媒層およびその製造方法 |
Citations (9)
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JPH07134995A (ja) * | 1993-11-09 | 1995-05-23 | Toyota Central Res & Dev Lab Inc | 燃料電池 |
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JPH07134995A (ja) * | 1993-11-09 | 1995-05-23 | Toyota Central Res & Dev Lab Inc | 燃料電池 |
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JP2003109643A (ja) * | 2001-09-28 | 2003-04-11 | Nippon Steel Corp | 燃料電池 |
JP2004247091A (ja) * | 2003-02-12 | 2004-09-02 | Toagosei Co Ltd | 電解質膜電極接合体および直接アルコール形燃料電池 |
JP2005150002A (ja) * | 2003-11-19 | 2005-06-09 | Konica Minolta Holdings Inc | 燃料電池 |
JP2006059634A (ja) * | 2004-08-19 | 2006-03-02 | Toyota Motor Corp | 膜電極複合体 |
JP2008159519A (ja) * | 2006-12-26 | 2008-07-10 | Nippon Steel Corp | 燃料電池 |
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JP2011156511A (ja) * | 2010-02-03 | 2011-08-18 | Toyota Motor Corp | 電極触媒、膜電極接合体および燃料電池セル |
JP2014207194A (ja) * | 2013-04-16 | 2014-10-30 | トヨタ自動車株式会社 | 燃料電池 |
JP2018198182A (ja) * | 2017-05-25 | 2018-12-13 | パナソニックIpマネジメント株式会社 | 燃料電池用電極触媒層およびその製造方法 |
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