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:
Oct. 11, 2022

Filed:

Apr. 15, 2021
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Jiazheng Wang, Ningde, CN;

Yuliang Shen, Ningde, CN;

Meng Kang, Ningde, CN;

Libing He, Ningde, CN;

Baojian Zhu, Ningde, CN;

Lei Chen, Ningde, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 10/05 (2010.01); H01M 4/485 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/13 (2013.01); H01M 4/485 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

The present invention provides a negative electrode plate and a battery. The negative electrode plate comprises a negative current collector and a negative film that is provided on at least one surface of the negative current collector and comprises a negative active material. The negative film meets the follow relations: 6.0≤PD×Dv50≤32.0 and 0.2≤PD/Dn10≤12.0. The negative electrode plate of the present invention has excellent dynamic performance, and the battery of the present invention has both excellent dynamic performance and long cycle life.


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