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:
Jun. 04, 2024

Filed:

Mar. 16, 2021
Applicant:

Ningde Amperex Technology Limited, Ningde, CN;

Inventors:

Xiaohe Fan, Ningde, CN;

ZengBin Wei, Ningde, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/451 (2021.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 50/451 (2021.01); H01M 10/0525 (2013.01);
Abstract

A separator includes a porous substrate and a hybrid coating layer disposed on a surface of the porous substrate. The hybrid coating layer includes a plurality of polymer particles and a binder. Each polymer particle includes a shell and a cavity defined in the shell. The polymer particle can swell and damage when comes in contact with an electrolyte.


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