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

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.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1347589
Assignee:
UCHICAGO ARGONNE, LLC ANL
Patent Number(s):
9,598,545
Application Number:
13/755,823
Contract Number:
AC02-06CH11357
Resource Relation:
Patent File Date: 2013 Jan 31
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 25 ENERGY STORAGE; 36 MATERIALS SCIENCE

Works referenced in this record:

Battery performances and thermal stability of polyacrylonitrile nano-fiber-based nonwoven separators for Li-ion battery
journal, June 2008

Composite nonwoven separator for lithium-ion battery: Development and characterization
journal, July 2010

Enhancement of thermal stability and cycling performance in lithium-ion cells through the use of ceramic-coated separators
journal, September 2010

A novel poly(vinylidene fluoride-hexafluoropropylene)/poly(ethylene terephthalate) composite nonwoven separator with phase inversion-controlled microporous structure for a lithium-ion battery
journal, September 2010
  • Jeong, Hyun-Seok; Kim, Jong Hun; Lee, Sang-Young
  • Journal of Materials Chemistry, Vol. 20, Issue 41, p. 9180-9186
  • DOI: 10.1039/C0JM01086C

Preparation of a trilayer separator and its application to lithium-ion batteries
journal, December 2010