Invention Grant
- Patent Title: Catalyst particle, and electrode catalyst, electrolyte membrane-electrode assembly, and fuel cell using the same
-
Application No.: US14910872Application Date: 2014-08-06
-
Publication No.: US10014532B2Publication Date: 2018-07-03
- Inventor: Kazuki Arihara , Hiroyuki Tanaka , Hisashi Mitsumoto , Takahiro Kaito , Seiho Sugawara , Tsukuru Ohwaki
- Applicant: NISSAN MOTOR CO., LTD.
- Applicant Address: JP Yokohama-shi
- Assignee: NISSAN MOTOR CO., LTD.
- Current Assignee: NISSAN MOTOR CO., LTD.
- Current Assignee Address: JP Yokohama-shi
- Agency: Foley & Lardner LLP
- Priority: JP2013-166139 20130809; JP2014-119859 20140610; JP2014-122812 20140613; JP2014-122819 20140613
- International Application: PCT/JP2014/070693 WO 20140806
- International Announcement: WO2015/020079 WO 20150212
- Main IPC: H01M4/88
- IPC: H01M4/88 ; H01M4/92 ; H01M8/1004 ; C22C5/04 ; H01M8/1018 ; C22F1/14
Abstract:
An object is to provide a catalyst particle that can exhibit high activity. The catalyst particle is an alloy particle formed of platinum atom and a non-platinum metal atom, wherein (i) the alloy particle has an L12 structure as an internal structure and has an extent of ordering of L12 structure in the range of 30 to 100%, (ii) the alloy particle has an LP ratio calculated by CO stripping method of 10% or more, and (iii) the alloy particle has a dN/dA ratio in the range of 0.4 to 1.0.
Public/Granted literature
Information query
