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:
Feb. 23, 2021

Filed:

Feb. 28, 2017
Applicant:

Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US);

Inventors:

Li Qin Zhou, Ann Arbor, MI (US);

Krishna Reddy Gunugunuri, Ann Arbor, MI (US);

Chen Ling, Ann Arbor, MI (US);

Hongfei Jia, Ann Arbor, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 11/04 (2006.01); C01G 51/00 (2006.01); C25B 1/04 (2021.01);
U.S. Cl.
CPC ...
C25B 11/0452 (2013.01); C01G 51/66 (2013.01); C25B 1/04 (2013.01); C25B 11/0405 (2013.01); C25B 11/0415 (2013.01); C01P 2002/72 (2013.01); C01P 2004/04 (2013.01); C01P 2006/40 (2013.01); Y02E 60/36 (2013.01);
Abstract

An oxygen evolution catalyst of the formula: SrMCoOwhere M=Al, Ga wherein M is bonded with four oxygen atoms to form a tetrahedron. The catalyst is operated at a potential of less than 1.58 volts vs. RHE at a current density of 50 μA/cmfor a pH of 7-13. The catalyst is operated at a potential of less than 1.55 volts vs. RHE at a current density of 50 μA/cmand a pH of 13. The oxygen evolution catalyst of the formula: SrGaCoOwherein the catalyst is operated at a potential of less than 1.53 volts vs. RHE at a current density of 50 μA/cmand a pH of 7. The oxygen evolution catalyst of formula: SrGaCoOwherein the catalyst maintains a current within 94% after 300 minutes at a potential of 1.645 volts vs. RHE wherein the current is greater than 1 milliamp and a pH of 7.


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