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:
Mar. 01, 2022
Filed:
Aug. 14, 2017
Applicant:
Byd Company Limited, Shenzhen, CN;
Inventors:
Assignee:
BYD Company Limited, Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/417 (2021.01); H01M 50/454 (2021.01); H01M 50/426 (2021.01); H01M 50/491 (2021.01); H01M 50/434 (2021.01); H01M 50/42 (2021.01);
U.S. Cl.
CPC ...
H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/426 (2021.01); H01M 50/434 (2021.01); H01M 50/454 (2021.01); H01M 50/491 (2021.01);
Abstract
The disclosure relates to the field of lithium-ion batteries, and discloses a polymer composite membrane and a method for preparing same. The disclosure further includes a lithium-ion battery for which the foregoing polymer composite membrane is used. The polymer composite membrane includes a porous base membrane and a heat-resistant fiber layer covering at least one side surface of the porous base membrane, where materials of the heat-resistant fiber layer contain a first polymeric material and a second polymeric material.