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US Patent 10944087 Separators, batteries, systems, vehicles, and related methods

Patent 10944087 was granted and assigned to Celgard on March, 2021 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Patent Applicant
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Celgard
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Current Assignee
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Celgard
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
109440870
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
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Patent Application Number
160708170
Date Filed
January 27, 2017
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Patent Primary Examiner
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Brittany L Raymond
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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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