发明公开
EP2990105A1 CATALYST, AND ELECTRODE CATALYST LAYER, FILM ELECTRODE ASSEMBLY, AND FUEL CELL EACH INCLUDING SAID CATALYST
审中-公开
KATALYSATOR UND ELEKTRODENKATALYSATORSCHICHT，FILMELEKTRODENANORDNUNG UND BRENNSTOFFZELLE MIT DIESEM KATALYSATOR
- 专利标题： CATALYST, AND ELECTRODE CATALYST LAYER, FILM ELECTRODE ASSEMBLY, AND FUEL CELL EACH INCLUDING SAID CATALYST
- 专利标题（中）： KATALYSATOR UND ELEKTRODENKATALYSATORSCHICHT，FILMELEKTRODENANORDNUNG UND BRENNSTOFFZELLE MIT DIESEM KATALYSATOR
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申请号： EP14787855.7申请日： 2014-04-14
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公开(公告)号： EP2990105A1公开(公告)日： 2016-03-02
- 发明人: AKIZUKI, Ken , OHMA, Atsushi , MASHIO, Tetsuya , ONO, Yoshitaka , TAKAHASHI, Shinichi
- 申请人： Nissan Motor Co., Ltd , Nippon Steel & Sumikin Chemical Co., Ltd.
- 申请人地址： 2 Takara-cho Kanagawa-ku Yokohama-shi, Kanagawa 220-8623 JP
- 专利权人： Nissan Motor Co., Ltd,Nippon Steel & Sumikin Chemical Co., Ltd.
- 当前专利权人： Nissan Motor Co., Ltd,Nippon Steel & Sumikin Chemical Co., Ltd.
- 当前专利权人地址： 2 Takara-cho Kanagawa-ku Yokohama-shi, Kanagawa 220-8623 JP
- 代理机构： Grünecker Patent- und Rechtsanwälte PartG mbB
- 优先权： JP2013092930 20130425
- 国际公布： WO2014175105 20141030
- 主分类号： B01J23/42
- IPC分类号： B01J23/42 ; B01J35/10 ; B01J37/18 ; H01M4/86 ; H01M8/02 ; H01M8/10
摘要：
The present invention has an obj ect to provide a catalyst having excellent oxygen reduction reaction activity. The present invention relates to a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein a specific surface area of the catalyst per support weight is 715 m 2 /g support or more or a covering ratio of the catalyst metal with an electrolyte is less than 0.5, and an amount of an acidic group of the catalyst per support weight is 0.75 mmol/g support or less.
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