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:
Jan. 11, 2022
Filed:
Jun. 11, 2021
Applicant:
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Inventors:
Assignee:
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/75 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); H01M 4/75 (2013.01); H01M 10/0525 (2013.01);
Abstract
The present application provide a spliced lithium strip, preparation method thereof, and related negative electrode plate, battery core, lithium ion battery, battery module, battery pack and apparatus. The spliced lithium strip is formed by splicing two or more base lithium strips, wherein the base lithium strip has a thickness fluctuation of less than 5%; the spliced lithium strip has a spliced area and a non-spliced area alternately distributed along the splicing direction, and the spliced area has a maximum thickness H and the non-spliced area has a minimum thickness L, satisfying