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.

Date of Patent:
Apr. 14, 2015

Filed:

Oct. 22, 2009
Applicants:

Yimin Zhu, Fremont, CA (US);

Jay L. Goldman, Mountain View, CA (US);

Baixin Qian, Sunnyvale, CA (US);

Ionel C. Stefan, San Jose, CA (US);

Mutsuko Komoda, Nara, JP;

Hirotaka Mizuhata, Nara, JP;

Takenori Onishi, Nara, JP;

Inventors:

Yimin Zhu, Fremont, CA (US);

Jay L. Goldman, Mountain View, CA (US);

Baixin Qian, Sunnyvale, CA (US);

Ionel C. Stefan, San Jose, CA (US);

Mutsuko Komoda, Nara, JP;

Hirotaka Mizuhata, Nara, JP;

Takenori Onishi, Nara, JP;

Assignees:

OneD Material LLC, Palo Alto, CA (US);

Sharp Kabushiki Kaisha, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/58 (2006.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/921 (2013.01); H01M 4/926 (2013.01); Y02E 60/50 (2013.01); Y02E 60/523 (2013.01);
Abstract

The present invention relates to electrochemical catalyst particles, including nanoparticles, which can be used membrane electrode assemblies and in fuel cells. In exemplary embodiments, the present invention provides electrochemical catalysts supported by various materials. Suitably the catalysts have an atomic ratio of oxygen to a metal in the nanoparticle of about 3 to about 6.


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