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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9048499 B1

PDFFull Text
Date of Patent:
Jun. 02, 2015

Filed:

May. 11, 2010

Catalyst, production process therefor and use thereof

Applicants:

Yasuaki Wakizaka, Chiba, JP;

Ryuji Monden, Chiba, JP;

Toshikazu Shishikura, Chiba, JP;

Takuya Imai, Chiba, JP;

Kenichiro Ota, Koganei, JP;

Inventors:

Yasuaki Wakizaka, Chiba, JP;

Ryuji Monden, Chiba, JP;

Toshikazu Shishikura, Chiba, JP;

Takuya Imai, Chiba, JP;

Kenichiro Ota, Koganei, JP;

Assignee:

SHOWA DENKO K.K., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Basia Ridley

Assistant Examiner:

Caitlin Wilmot

Int. Cl.
CPC ...
H01M 8/02 (2006.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); B01J 21/06 (2006.01); B01J 23/46 (2006.01); B01J 23/54 (2006.01); B01J 37/08 (2006.01); B01J 27/20 (2006.01); B01J 27/135 (2006.01); B01J 38/08 (2006.01); B01J 27/24 (2006.01);
U.S. Cl.
CPC ...
H01M 4/9016 (2013.01); B01J 27/135 (2013.01); H01M 4/86 (2013.01); H01M 4/88 (2013.01); B01J 21/063 (2013.01); B01J 38/08 (2013.01); B01J 27/20 (2013.01); B01J 21/06 (2013.01); B01J 27/24 (2013.01); Y02E 60/50 (2013.01);
Abstract

[Object] The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. [Solution] A catalyst of the invention includes a metal oxycarbonitride that contains titanium and at least one metal (hereinafter, also referred to as 'metal M' or simply 'M') selected from silver, calcium, strontium, yttrium, ruthenium, lanthanum, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium.

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