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Advanced separators based on aromatic polymer for high energy density lithium batteries

United States Patent

9,598,545
March 21, 2017
View the Complete Patent at the US Patent & Trademark Office
A process includes casting a solution including poly(phenylene oxide), inorganic nanoparticles, a solvent, and a non-solvent on a substrate; and removing the solvent to form a porous film; wherein: the porous film is configured for use as a porous separator for a lithium ion battery.
Zhang; Zhengcheng (Naperville, IL), Woo; Jung-Je (Naperville, IL), Amine; Khalil (Oakbrook, IL)
UCHICAGO ARGONNE, LLC (Chicago, IL)
13/ 755,823
20140212748
January 31, 2013
GOVERNMENT RIGHTS The United States Government has rights in this invention pursuant to Contract No. DE-AC02-06CH11357 between the U.S. Department of Energy and UChicago Argonne, LLC, representing Argonne National Laboratory.