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:
Aug. 10, 2021
Filed:
Dec. 20, 2017
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Yoshimitsu Oda, Suita, JP;
Ryoji Inoue, Suita, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); C22F 1/10 (2006.01); C22F 1/08 (2006.01); C22C 19/03 (2006.01); C22F 1/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/667 (2013.01); C22C 19/03 (2013.01); C22F 1/00 (2013.01); C22F 1/08 (2013.01); C22F 1/10 (2013.01); H01M 4/66 (2013.01); H01M 4/662 (2013.01); H01M 2004/027 (2013.01);
Abstract
A clad material () for a negative electrode collector of a secondary battery includes a Ni alloy layer () made of a Ni alloy that contains 0.005 mass % or more and 0.50 mass % or less of C, Ni, and inevitable impurities, and a pair of Cu layers () respectively bonded to opposite surfaces of the Ni alloy layer and that contain 99 mass % or more of Cu.