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. 05, 2013
Filed:
Dec. 28, 2009
Jun Suzuki, Kobe, JP;
Nobuhiro Kobayashi, Kobe, JP;
Yoshinori Ito, Kobe, JP;
Toshiki Sato, Kobe, JP;
Jun Suzuki, Kobe, JP;
Nobuhiro Kobayashi, Kobe, JP;
Yoshinori Ito, Kobe, JP;
Toshiki Sato, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
Disclosed are a separator for a fuel cell realizing both the high electrical conductivity and the corrosion resistance and enabling using stably for a long period of time in the fuel cell and a manufacturing method for it. The separator for a fuel cellincludes a substratecomposed of pure aluminum or aluminum alloy and a plating layerformed on the substrate, wherein the plating layerhas a copper layerformed in the substrateside and a tin layerformed on the copper layer, the tin layeris formed in an uppermost layer, the thickness of the copper layeris 0.10 μm or above, and the value obtained by dividing the thickness of the tin layerby the thickness of the copper layeris 0.1-50.