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:
Jul. 31, 2012
Filed:
Dec. 12, 2007
Toshiki Sato, Kobe, JP;
Jun Suzuki, Kobe, JP;
Yoshinori Ito, Kobe, JP;
Hirotaka Ito, Kobe, JP;
Shinichi Tanifuji, Kobe, JP;
Toshiki Sato, Kobe, JP;
Jun Suzuki, Kobe, JP;
Yoshinori Ito, Kobe, JP;
Hirotaka Ito, Kobe, JP;
Shinichi Tanifuji, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
The present invention concerns an alloy film for a metal separator for a fuel cell characterized by containing at least one noble metal element selected from Au and Pt and at least one non-noble metal element selected from the group consisting of Ti, Zr, Nb, Hf, and Ta, at a content ratio of noble metal element/non-noble metal element of 35/65 to 95/5, and having a film thickness of 2 nm or more. The present invention also relates to a manufacturing method of an alloy film for the metal separator for the fuel cell and a target material for sputtering, as well as the metal separator and the fuel sell. The alloy film for the metal separator for the fuel cell according to the invention is excellent in the corrosion resistance, has low contact resistance, can maintain the low contact resistance for a long time even in a corrosive environment, and is excellent further in the productivity.