JP5862485B2 - 燃料電池用ガス拡散層の形成方法 - Google Patents
燃料電池用ガス拡散層の形成方法 Download PDFInfo
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- H01M4/88—Processes of manufacture
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- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
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- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
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- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
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- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0239—Organic resins; Organic polymers
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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
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- 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
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Description
10:膜電極接合体
11:電解質膜
12a:カソード電極
12b:アノード電極
20:ガス拡散層
20a:カソード側ガス拡散層
20b:アノード側ガス拡散層
21a,21b:導電性多孔質層
22,22a,22b:拡散層基材
30:セパレータ
30a:カソード側セパレータ
30b:アノード側セパレータ
31a,31b:溝
50:毛羽
Claims (2)
- シート状に形成された拡散層基材の一方側の面上に導電性多孔質層を形成してなり、前記導電性多孔質層を膜電極接合体の触媒層に接触させた状態で前記膜電極接合体に対して積層される燃料電池用ガス拡散層の形成方法であって、
導電性材料と撥水性材料とを混合してなるペースト状の塗布材を準備する準備工程と、
前記拡散層基材の一方の面上に前記塗布材を塗布することにより、被焼成層を形成する塗布工程と、
前記被焼成層を加熱する焼成工程と、を有しており、
前記焼成工程においては、前記被焼成層のうち前記拡散層基材と接する部分の温度が、前記被焼成層のうち前記拡散層基材とは反対側の表面の温度よりも高温である状態を維持しながら加熱することを特徴とする、燃料電池用ガス拡散層の形成方法。 - 前記焼成工程においては、
前記被焼成層のうち前記拡散層基材と接する部分の温度が、前記撥水性材料の融点よりも高い温度である状態を維持し、
前記被焼成層のうち前記拡散層基材とは反対側の表面の温度が、前記撥水性材料の融点よりも低い温度である状態を維持しながら加熱することを特徴とする、請求項1に記載の燃料電池用ガス拡散層の形成方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012148506A JP5862485B2 (ja) | 2012-07-02 | 2012-07-02 | 燃料電池用ガス拡散層の形成方法 |
CA2877843A CA2877843C (en) | 2012-07-02 | 2013-04-22 | Fuel-cell gas diffusion layer and method of forming the same |
US14/411,663 US9466851B2 (en) | 2012-07-02 | 2013-04-22 | Fuel-cell gas diffusion layer and method of forming the same |
EP13812730.3A EP2869373B1 (en) | 2012-07-02 | 2013-04-22 | Fuel cell gas diffusion layer and method for forming same |
PCT/JP2013/061804 WO2014006957A1 (ja) | 2012-07-02 | 2013-04-22 | 燃料電池用ガス拡散層及びその形成方法 |
CN201380035347.3A CN104412429B (zh) | 2012-07-02 | 2013-04-22 | 燃料电池用气体扩散层及其形成方法 |
KR1020147036498A KR101710253B1 (ko) | 2012-07-02 | 2013-04-22 | 연료 전지용 가스 확산층 및 그 형성 방법 |
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JP2012148506A JP5862485B2 (ja) | 2012-07-02 | 2012-07-02 | 燃料電池用ガス拡散層の形成方法 |
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JP2015193237A Division JP6270791B2 (ja) | 2015-09-30 | 2015-09-30 | 燃料電池用ガス拡散層 |
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JP2014011108A JP2014011108A (ja) | 2014-01-20 |
JP5862485B2 true JP5862485B2 (ja) | 2016-02-16 |
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Country | Link |
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US (1) | US9466851B2 (ja) |
EP (1) | EP2869373B1 (ja) |
JP (1) | JP5862485B2 (ja) |
KR (1) | KR101710253B1 (ja) |
CN (1) | CN104412429B (ja) |
CA (1) | CA2877843C (ja) |
WO (1) | WO2014006957A1 (ja) |
Cited By (1)
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KR20190087415A (ko) | 2016-12-05 | 2019-07-24 | 도레이 카부시키가이샤 | 가스 확산 전극과 그의 제조 방법 |
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JP6911847B2 (ja) | 2017-04-03 | 2021-07-28 | 東レ株式会社 | ガス拡散電極基材の製造方法 |
JP6778241B2 (ja) * | 2018-10-26 | 2020-10-28 | 本田技研工業株式会社 | ガス拡散層シートの加工装置 |
EP4128400A1 (en) * | 2020-04-03 | 2023-02-08 | The Board of Trustees of the Leland Stanford Junior University | Examples of typical defects in the request and corrections thereof |
CN113745613A (zh) * | 2021-08-04 | 2021-12-03 | 深圳市贝特瑞新能源技术研究院有限公司 | 膜电极、其制备方法及燃料电池 |
CN114927704A (zh) * | 2022-05-12 | 2022-08-19 | 上海碳际实业集团有限公司 | 一种燃料电池用气体扩散层的制备方法 |
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- 2012-07-02 JP JP2012148506A patent/JP5862485B2/ja active Active
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- 2013-04-22 CA CA2877843A patent/CA2877843C/en active Active
- 2013-04-22 EP EP13812730.3A patent/EP2869373B1/en active Active
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- 2013-04-22 KR KR1020147036498A patent/KR101710253B1/ko active IP Right Grant
- 2013-04-22 CN CN201380035347.3A patent/CN104412429B/zh active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190087415A (ko) | 2016-12-05 | 2019-07-24 | 도레이 카부시키가이샤 | 가스 확산 전극과 그의 제조 방법 |
US11283082B2 (en) | 2016-12-05 | 2022-03-22 | Toray Industries, Inc. | Gas diffusion electrode and production method therefor |
Also Published As
Publication number | Publication date |
---|---|
WO2014006957A1 (ja) | 2014-01-09 |
CN104412429B (zh) | 2019-05-28 |
CA2877843A1 (en) | 2014-01-09 |
US9466851B2 (en) | 2016-10-11 |
EP2869373B1 (en) | 2018-09-05 |
KR101710253B1 (ko) | 2017-02-24 |
US20150194688A1 (en) | 2015-07-09 |
JP2014011108A (ja) | 2014-01-20 |
CN104412429A (zh) | 2015-03-11 |
CA2877843C (en) | 2017-05-30 |
EP2869373A4 (en) | 2016-03-09 |
KR20150027132A (ko) | 2015-03-11 |
EP2869373A1 (en) | 2015-05-06 |
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