Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David W. Avison
Steven A. Carlson
Benjamin Sloan
Date of Patent
September 26, 2023
Patent Application Number
17223845
Date Filed
April 6, 2021
Patent Citations
...
Patent Primary Examiner
Patent abstract
A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer, and (b) a nanoporous inorganic particle/polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.
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