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. 21, 2024
Filed:
Oct. 12, 2021
Applicant:
Celgard, Llc, Charlotte, NC (US);
Inventor:
Insik Jeon, Ithaca, NY (US);
Assignee:
Celgard, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/417 (2021.01); H01M 10/0525 (2010.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01);
U.S. Cl.
CPC ...
H01M 50/417 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01); H01M 10/0525 (2013.01); H01M 50/446 (2021.01);
Abstract
The present invention is preferably directed to a polylactam ceramic coating for a microporous battery separator for a lithium ion secondary battery and a method of making this formulation and application of this formulation to make a coated microporous battery separator. The preferred inventive coating has excellent thermal and chemical stability, excellent adhesion to microporous base substrate, membrane, and/or electrode, improved binding properties to ceramic particles and/or has improved or excellent resistance to thermal shrinkage, dimensional integrity, and/or oxidation stability when used in a rechargeable lithium ion battery.