Invention Grant
US08236462B2 Electrode catalyst for fuel cell, method for producing the electrode catalyst, and polymer electrolyte fuel cell using the electrode catalyst
有权
燃料电池用电极催化剂,电极催化剂的制造方法以及使用该电极催化剂的固体高分子型燃料电池
- Patent Title: Electrode catalyst for fuel cell, method for producing the electrode catalyst, and polymer electrolyte fuel cell using the electrode catalyst
- Patent Title (中): 燃料电池用电极催化剂,电极催化剂的制造方法以及使用该电极催化剂的固体高分子型燃料电池
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Application No.: US12672079Application Date: 2009-01-26
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Publication No.: US08236462B2Publication Date: 2012-08-07
- Inventor: Yukiyoshi Ueno , Tetsuo Nagami , Tetsuya Shoji
- Applicant: Yukiyoshi Ueno , Tetsuo Nagami , Tetsuya Shoji
- Applicant Address: JP Toyota-shi, Aichi-ken
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Toyota-shi, Aichi-ken
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: JP2008-015952 20080128
- International Application: PCT/JP2009/051188 WO 20090126
- International Announcement: WO2009/096356 WO 20090806
- Main IPC: H01M4/88
- IPC: H01M4/88 ; H01M4/92 ; H01M8/10

Abstract:
An electrode catalyst for a fuel cell, which has improved performance compared with conventional platinum alloy catalysts, a method for producing the electrode catalyst, and a polymer electrolyte fuel cell using the electrode catalyst are provided. The electrode catalyst for a fuel cell comprises a noble-metal-non-precious metal alloy that has a core-shell structure supported on a conductive carrier. The composition of the catalyst components of the shell is such that the amount of the noble metal is greater than or equal to the amount of the non-precious metal.
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