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US Patent 11482759 Oxidation resistant separator for a battery

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Patent
Patent

Patent attributes

Patent Applicant
‌
Celgard
Current Assignee
‌
Celgard
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11482759
Date of Patent
October 25, 2022
Patent Application Number
16442974
Date Filed
June 17, 2019
Patent Primary Examiner
‌
Sean P Cullen

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.

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