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:
Nov. 14, 2023
Filed:
Dec. 23, 2021
Applicant:
Celgard, Llc, Charlotte, NC (US);
Inventors:
Lie Shi, Matthews, NC (US);
Christopher L. Cowger, Charlotte, NC (US);
Heba K. Botros, Waxhaw, NC (US);
Assignee:
Celgard, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 27/12 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01); B32B 5/08 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01); B32B 7/04 (2019.01); H01M 50/44 (2021.01); H01M 50/403 (2021.01); H01M 50/423 (2021.01); H01M 50/417 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 50/42 (2021.01); H01M 50/426 (2021.01); H01M 50/454 (2021.01); H01M 50/414 (2021.01); H01M 50/451 (2021.01); H01M 50/457 (2021.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
B32B 3/26 (2013.01); B32B 5/022 (2013.01); B32B 5/08 (2013.01); B32B 7/04 (2013.01); B32B 27/12 (2013.01); B32B 27/205 (2013.01); B32B 27/302 (2013.01); B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/40 (2013.01); H01M 50/403 (2021.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/44 (2021.01); H01M 50/451 (2021.01); H01M 50/454 (2021.01); H01M 50/457 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); B32B 2250/24 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0238 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/0284 (2013.01); B32B 2262/12 (2013.01); B32B 2262/14 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2264/12 (2013.01); B32B 2274/00 (2013.01); B32B 2307/206 (2013.01); B32B 2307/732 (2013.01); B32B 2457/10 (2013.01); H01M 10/052 (2013.01);
Abstract
Battery separators and methods are disclosed. The battery separator may be used in a lithium battery. The separator may include a microporous membrane laminated to a coated nonwoven. The coating may contain a polymer and optionally, a filler or particles. The methods may include the steps of: unwinding the microporous membrane and the nonwoven, laminating the nonwoven and microporous membrane, and coating the nonwoven before or after lamination.