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:
May. 23, 2023
Filed:
Jul. 07, 2020
Applicant:
Celgard, Llc, Charlotte, NC (US);
Inventors:
Changqing Wang Adams, Fort Mill, SC (US);
C. Glen Wensley, Rock Hill, SC (US);
Stefan Reinartz, Waxhaw, NC (US);
Assignee:
Celgard, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 50/44 (2021.01); H01M 50/403 (2021.01); H01M 50/494 (2021.01); H01M 50/489 (2021.01); H01M 50/417 (2021.01); H01M 50/457 (2021.01); H01M 50/454 (2021.01); H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/44 (2021.01); H01M 50/454 (2021.01); H01M 50/457 (2021.01); H01M 50/489 (2021.01); H01M 50/494 (2021.01); H01M 4/5825 (2013.01);
Abstract
In accordance with at least certain embodiments, the present invention is directed to novel, improved, coated, or treated separator membranes, separators or membrane based separators for lithium batteries. The membranes or separators may include non-woven layers, improved surfactant treatments, or combinations thereof. The separators or membranes are useful for solvent electrolyte lithium batteries, especially rechargeable lithium ion batteries, and provide improved performance, wettability, cycling ability, and/or recharging efficiency.