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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.:

US 12362388 B1

PDFFull Text
Date of Patent:
Jul. 15, 2025

Filed:

Dec. 23, 2021

Electrochemical apparatus, preparation method therefor, and electronic apparatus

Applicant:

Ningde Amperex Technology Limited, Ningde, CN;

Inventors:

Chenxi Jiang, Ningde, CN;

Yafei Zhang, Ningde, CN;

Hongming Yu, Ningde, CN;

Xinghua Tao, Ningde, CN;

Assignee:

NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde, CN;

Attorney:

XSENSUS LLP

Primary Examiner:

Allison Bourke

Assistant Examiner:

Robert Gene West

Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 4/386 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 2300/0025 (2013.01);
Abstract

An electrochemical apparatus includes a positive electrode sheet including a positive electrode active material layer; a negative electrode sheet including a negative electrode active material layer; and a separator disposed between the positive electrode sheet and the negative electrode sheet. A mass ratio of fluorine to nitrogen on a surface layer of the positive electrode active material layer is A, a mass ratio of fluorine to nitrogen on a surface layer of the negative electrode active material layer is B, 3≤A≤50, and 30≤B≤300.

Find Patent Forward Citations

Jiang, Chenxi. (2025). Electrochemical apparatus, preparation method therefor, and electronic apparatus (U.S. Patent No. 12362388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12362388

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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