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Title: High performance, durable polymers including poly(phenylene)

The present invention relates to functionalized polymers including a poly(phenylene) structure. In some embodiments, the polymers and copolymers of the invention include a highly localized concentration of acidic moieties, which facilitate proton transport and conduction through networks formed from these polymers. In addition, the polymers can include functional moieties, such as electron-withdrawing moieties, to protect the polymeric backbone, thereby extending its durability. Such enhanced proton transport and durability can be beneficial for any high performance platform that employs proton exchange polymeric membranes, such as in fuel cells or flow batteries.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1345386
Assignee:
Sandia Corporation SNL-A
Patent Number(s):
9,580,541
Application Number:
14/933,981
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2015 Nov 05
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Other works cited in this record:

Proton exchange membrane materials for the advancement of direct methanol fuel-cell technology
patent, April 2006

Sulfonated polyphenylene polymers
patent, November 2007

Anion-conducting polymer, composition, and membrane
patent, September 2009

Epoxy-crosslinked sulfonated poly (phenylene) copolymer proton exchange membranes
patent, October 2010

Anion-conducting polymer, composition, and membrane
patent, December 2010

Hybrid membrane--PSA system for separating oxygen from air
patent, January 2011

Poly(phenylene)-based anion exchange membrane
patent, February 2011

Multi-block sulfonated poly(phenylene) copolymer proton exchange membranes
patent, February 2012

Advanced membrane electrode assemblies for fuel cells
patent, July 2012

Anion exchange polymer electrolytes
patent, July 2013

Anion exchange polymer electrolytes
patent, September 2013

Functionalization of poly(phenylene) by the attachment of sidechains
patent, August 2014

Anion exchange polymer electrolytes
patent, June 2015

Poly(arylene)-based anion exchange polymer electrolytes
patent, June 2015

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journal, November 2009
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Alkaline stability of poly(phenylene)-based anion exchange membranes with various cations
journal, August 2012
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Resonance Stabilized Perfluorinated Ionomers for Alkaline Membrane Fuel Cells
journal, September 2013
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Palladium-Catalyzed Phosphonation of Polyphenylsulfone
journal, February 2003
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Polymer Electrolyte Membranes Derived from New Sulfone Monomers with Pendent Sulfonic Acid Groups
journal, December 2010
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Carboxylated and Sulfonated Poly(arylene- co -arylene sulfone)s:  Thermostable Polyelectrolytes for Fuel Cell Applications
journal, September 2002
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Structurally-Defined, Sulfo-Phenylated, Oligophenylenes and Polyphenylenes
journal, September 2015
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  • DOI: 10.1021/jacs.5b07865

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