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:
Oct. 25, 2022
Filed:
Jun. 17, 2019
Applicant:
Celgard, Llc, Charlotte, NC (US);
Inventors:
Zhengming Zhang, Rock Hill, SC (US);
Pankaj Arora, Chesterfield, VA (US);
Assignee:
Celgard, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 50/46 (2021.01); H01M 50/403 (2021.01); H01M 50/411 (2021.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 4/628 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/411 (2021.01); H01M 50/46 (2021.01);
Abstract
A lithium ion rechargeable battery comprises: a negative electrode adapted to give up electrons during discharge, a positive electrode adapted to gain electrons during discharge, a microporous separator sandwiched between said positive electrode and said negative electrode, an organic electrolyte being contained within said separator and being in electrochemical communication with said positive electrode and said negative electrode, and an oxidative barrier interposed between said separator and said positive electrode, and thereby preventing oxidation of said separator.