Sulfonated diels-alder polyphenylenes

Synthesis and properties of a novel polyelectrolyte

Christopher J Cornelius, Cy H. Fujimoto

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

Currently, Nafion is almost exclusively used in hydrogen and methanol fuel cells because of its excellent proton conductivity, chemical stability, and electrical insulating properties. However, these properties come at a high material cost owing to the extensive research in the area of alternative polymer electrolyte membrane (PEM) materials. A study was carried out to lower PEM costs, reduce the high methanol permeability associated with Nafion, and increase the function of the PEM to higher temperatures and lower relative humidities. Various sulfonated themoplastics, e.g., polyetherketones, polyethersulfones, polyphosphazenes, polybenzoimidazoles, and poly(arylenes). Poly(phenylenes) represented another potential class of materials for proton exchange membranes. The parent materials displayed excellent thermal and chemical stability and were readily functionalized. The properties and performance in a fuel cell were discussed. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA, 8/22-26/2004).

Original languageEnglish (US)
JournalACS National Meeting Book of Abstracts
Volume228
Issue number1
StatePublished - Jan 1 2004
EventAbstracts of Papers - 228th ACS National Meeting - Philadelphia, PA, United States
Duration: Aug 22 2004Aug 26 2004

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Polyelectrolytes
Electrolytes
Membranes
Polymers
Chemical stability
Fuel cells
Methanol fuels
Hydrogen fuels
Proton conductivity
Methanol
Protons
Costs
Atmospheric humidity
Ion exchange
Thermodynamic stability
Temperature
perfluorosulfonic acid

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Sulfonated diels-alder polyphenylenes : Synthesis and properties of a novel polyelectrolyte. / Cornelius, Christopher J; Fujimoto, Cy H.

In: ACS National Meeting Book of Abstracts, Vol. 228, No. 1, 01.01.2004.

Research output: Contribution to journalConference article

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