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. 17, 2023
Filed:
Oct. 27, 2022
Applicant:
Contemporary Amperex Technology Co., Limited, Ningde City, CN;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/583 (2013.01); H01M 4/0404 (2013.01); H01M 4/622 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
Graphite and a preparation method thereof, a secondary battery containing the modified graphite, a battery module, a battery pack, and an electrical device are provided. In particular, the modified graphite according to this disclosure includes a graphite moiety and a binder moiety covalently linked to the graphite moiety. The binder moiety possesses a structure expressed as Formula (IV´). The modified graphite according to this disclosure solves the problem that the binder floats up during the preparation of the negative electrode plate of the secondary battery.