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.

Date of Patent:
Apr. 08, 2025

Filed:

Mar. 23, 2023
Applicant:

Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;

Inventors:

Chengyong Liu, Fujian, CN;

Meng Cheng, Fujian, CN;

Ang Fu, Fujian, CN;

Bobing Hu, Fujian, CN;

Yongsheng Guo, Fujian, CN;

Quan Fan, Fujian, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/628 (2013.01); H01M 4/0402 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/382 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01);
Abstract

Embodiments of the present application provide a lithium metal negative electrode, a preparation method therefor and related lithium metal battery and device. The lithium metal negative electrode may comprise: a negative electrode current collector; at least one lithium-based metal layer provided on at least one surface of the negative electrode current collector; and an ion-conducting polymer modification layer, which is located on the surface of one of the at least one lithium-based metal layer and comprises at least catalytic amount of a Lewis acid, the Lewis acid containing cations of a metal capable of forming an alloy-type active material with lithium.


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