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. 23, 2013

Filed:

Jul. 02, 2009
Applicants:

Takeaki Sasaki, Tokyo, JP;

Akiyasu Funakawa, Tokyo, JP;

Tadashi Matsushita, Tokyo, JP;

Toshinori Hachiya, Tokyo, JP;

Inventors:

Takeaki Sasaki, Tokyo, JP;

Akiyasu Funakawa, Tokyo, JP;

Tadashi Matsushita, Tokyo, JP;

Toshinori Hachiya, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an excellent durable cathode for hydrogen generation, which has a low hydrogen overvoltage and reduced dropping-off of a catalyst layer against the reverse current generated when an electrolyzer is stopped, and a method for producing the same. The present invention provides a cathode for hydrogen generation having a conductive base material and a catalyst layer formed on the conductive base material, wherein the catalyst layer includes crystalline iridium oxide, platinum and iridium-platinum alloy.


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