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:
Mar. 22, 2022
Filed:
Feb. 16, 2015
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Nissan Motor Co., Ltd., Kanagawa, JP;
Yusuke Mizuno, Kyoto, JP;
Takahiro Imaishi, Kyoto, JP;
Kenichi Kawakita, Kyoto, JP;
Yuki Kusachi, Kanagawa, JP;
Hiroshi Akama, Kanagawa, JP;
Hideaki Horie, Kanagawa, JP;
SANYO CHEMICAL INDUSTRIES, LTD., Kyoto, JP;
Abstract
An object of the present invention is to provide a negative electrode active material capable of reducing the irreversible capacity of a lithium ion battery. The present invention provides a coated negative electrode active material for lithium ion batteries wherein at least a portion of the surface of a particulate negative electrode active material for lithium ion batteries is coated with a coating agent and the coated negative electrode active material is doped with at least one of lithium and lithium ions.