Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael A. Braswell0
Ronnie E. Smith0
Ronald A. Proctor0
Xiaomin Zhang0
Tyrone S. Fields0
Charles E. Haire0
Gerald P. Rumierz0
Karl F. Humiston0
Date of Patent
March 9, 2021
0Patent Application Number
160708170
Date Filed
January 27, 2017
0Patent Primary Examiner
Patent abstract
Improved battery separators, base films or membranes and/or a method of making or using such separators, base films or membranes are provided. The preferred inventive separators, base films or membranes are made by a dry-stretch process and have improved strength, high porosity, high charge capacity and high porosity to provide excellent charge rate and/or charge capacity performance in a rechargeable battery.
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