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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

Other works cited in this record:

Process for the production of porous plastics and products comprising polymerizing a monomer in a water-in-oil emulsion
patent, June 1966

Battery Separator and method of producing same
patent, March 1972

Heat resistant substrates and battery separators made therefrom
patent, July 1973

Process of manufacturing porous separator for electrochemical power supply
patent, January 1999

Rechargeable electrochemical cell with modified manganese oxide positive electrode
patent, September 1999

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

Particle size-dependent, tunable porous structure of a SiO2/poly(vinylidene fluoride-hexafluoropropylene)-coated poly(ethylene terephthalate) nonwoven composite separator for a lithium-ion battery
journal, August 2011
  • Choi, Eun-Sun; Lee, Sang-Young
  • Journal of Materials Chemistry, Vol. 21, Issue 38, p. 14747-14754
  • DOI: 10.1039/C1JM12246K

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

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