Title:
METHOD FOR PRODUCING ELECTRODE CATALYST FOR FUEL CELLS, ELECTRODE CATALYST FOR FUEL CELLS, AND USE OF SAME
Document Type and Number:
WIPO Patent Application WO/2013/021688
Kind Code:
A1
Abstract:
[Problem] To provide a method for producing an electrode catalyst for fuel cells through a heat treatment that is carried out at relatively low temperatures, said electrode catalyst having high catalytic activity and able to be a substitute for a noble metal catalyst.
[Solution] A method for producing an electrode catalyst for fuel cells, which comprises: a step (I) for obtaining a catalyst precursor material, said step (I) comprising a step (Ia) wherein at least a metal compound (1), a nitrogen-containing organic compound (2) and a fluorine-containing compound (3) are mixed; and a step (II) wherein an electrode catalyst is obtained by subjecting the catalyst precursor material to a heat treatment at 500-1,300˚C. A part or the whole of the metal compound (1) is a compound which contains an atom of a metal element M1 that is selected from the group consisting of iron, cobalt, chromium, nickel, copper, zinc, titanium, niobium and zirconium. At least one of the compounds (1), (2) and (3) has an oxygen atom.
Inventors:
MONDEN RYUJI (JP)
IMAI TAKUYA (JP)
ITO YUJI (JP)
LEE KUNCHAN (JP)
SATO TAKASHI (JP)
IMAI TAKUYA (JP)
ITO YUJI (JP)
LEE KUNCHAN (JP)
SATO TAKASHI (JP)
Application Number:
PCT/JP2012/060176
Publication Date:
February 14, 2013
Filing Date:
April 13, 2012
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
MONDEN RYUJI (JP)
IMAI TAKUYA (JP)
ITO YUJI (JP)
LEE KUNCHAN (JP)
SATO TAKASHI (JP)
MONDEN RYUJI (JP)
IMAI TAKUYA (JP)
ITO YUJI (JP)
LEE KUNCHAN (JP)
SATO TAKASHI (JP)
International Classes:
H01M4/88; B01J23/745; B01J31/12; H01M4/90; H01M8/10
Domestic Patent References:
| WO2006104123A1 | 2006-10-05 | |||
| WO2009028408A1 | 2009-03-05 | |||
| WO2008111570A1 | 2008-09-18 | |||
| WO2007072665A1 | 2007-06-28 | |||
| WO2009031383A1 | 2009-03-12 | |||
| WO2009107518A1 | 2009-09-03 |
Foreign References:
| JP2008021638A | 2008-01-31 | |||
| JP2004303664A | 2004-10-28 | |||
| US20040096728A1 | 2004-05-20 | |||
| JP2005019332A | 2005-01-20 | |||
| JP2009023887A | 2009-02-05 | |||
| JP2009255053A | 2009-11-05 | |||
| JP2008258150A | 2008-10-23 |
Other References:
JOURNAL OF INORGANIC MATERIALS (CHINESE, vol. 20, no. 4, pages 785
ELECTROCHEMISTRY COMMUNICATIONS, vol. 12, no. 9, September 2010 (2010-09-01), pages 1177 - 1179
ELECTROCHEMISTRY COMMUNICATIONS, vol. 12, no. 9, September 2010 (2010-09-01), pages 1177 - 1179
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)
Patent business corporation SSINPAT (JP)
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Claims: