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:
Dec. 20, 2022
Filed:
Feb. 10, 2020
Applicant:
Celgard Llc, Charlotte, NC (US);
Inventors:
Zhengming Zhang, Rock Hill, SC (US);
Xuefa Li, Matthews, NC (US);
Lie Shi, Matthews, NC (US);
Premanand Ramadass, Charlotte, NC (US);
Paul M. Halmo, Denver, NC (US);
Xiaomin Zhang, Charlotte, NC (US);
Assignee:
Celgard, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/052 (2010.01); H01M 50/403 (2021.01); H01M 50/411 (2021.01); H01M 50/431 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/052 (2013.01); H01M 50/403 (2021.01); H01M 50/411 (2021.01); H01M 50/431 (2021.01);
Abstract
A ceramic-coated battery separator having a microporous polyolefin membrane and a ceramic coating on at least one surface of the microporous polyolefin membrane, wherein the ceramic-coated separator exhibits a strain shrinkage of 0% at temperatures greater than or equal to 120 degrees Celsius is provided.