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:
Oct. 22, 2019
Filed:
Apr. 13, 2016
Applicants:
Neomax Materials Co., Ltd., Suita-shi, Osaka, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Yoshimitsu Oda, Suita, JP;
Keita Watanabe, Suita, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); H01M 2/26 (2006.01); C22C 9/00 (2006.01); C22C 19/03 (2006.01);
U.S. Cl.
CPC ...
H01M 2/26 (2013.01); B32B 15/01 (2013.01); C22C 9/00 (2013.01); C22C 19/03 (2013.01);
Abstract
This clad material for a battery negative electrode lead material is constituted of a clad material of a three-layer structure including a first layer constituted of pure Ni, a second layer constituted of pure Cu and a third layer constituted of pure Ni. The thickness of a first diffusion layer formed between the first layer and the second layer and the thickness of a second diffusion layer formed between the second layer and the third layer are at least 0.5 μm and not more than 3.5 μm.