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:
Jul. 04, 2023
Filed:
Sep. 04, 2020
Applicant:
Calb Technology Co., Ltd., Changzhou, CN;
Inventors:
Zhenyu Wang, Changzhou, CN;
Haiwen Wang, Changzhou, CN;
Assignee:
CALB Technology Co., Ltd., Jiangsu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 50/403 (2021.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01);
Abstract
A separator including a porous substrate layer, an intermediate layer, and a ceramic coating layer is provided. The ceramic coating layer is disposed on a side of the intermediate layer away from the porous substrate layer. The intermediate layer includes a metal oxide powder. The particle diameter of the metal oxide powder is less than the pore diameter of the porous substrate layer, and at least a portion of the metal oxide powder is embedded in the porous substrate layer. A method of preparing the separator and a lithium-ion battery including the separator are also provided.