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.:
Date of Patent:
Feb. 12, 2019
Filed:
Apr. 09, 2014
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Sumitomo Electric Toyama Co., Ltd., Imizu-shi, Toyama, JP;
Kazuki Okuno, Itami, JP;
Tomoyuki Awazu, Itami, JP;
Masahiro Kato, Itami, JP;
Masatoshi Majima, Itami, JP;
Kengo Tsukamoto, Imizu, JP;
Hitoshi Tsuchida, Imizu, JP;
Hidetoshi Saito, Imizu, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;
SUMITOMO ELECTRIC TOYAMA CO., LTD., Imizu-shi, Toyama, JP;
Abstract
A porous metal body is provided that is inexpensive, usable for an electrode of a fuel cell or the like, and has excellent corrosion resistance. There is provided a porous metal body for a fuel cell, which is a sheet-shaped porous metal body, including at least nickel, tin, and chromium, in which the chromium concentration of at least one surface of the porous metal body is 3% to 50% by mass. In the porous metal body, preferably, the chromium concentration of one surface is higher than the chromium concentration of another surface.