New polymeric proton conductors for water-free and high temperature fuel cells

Xiao Guang Sun, John B. Kerr, Gao Liu, Craig L. Reeder

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Some modifications of the side-chain structure that can be easily made to achieve the structure that is completely dependent on polymer side chain segmental motion and has been reported for lithium ion transport in polymer electrolytes for lithium batteries were presented. An easily modified polymer structure that will allow rapid elucidation of the role of these structural features in determining the properties of the membrane was developed. Imidazole was studied as the proton solvating group due to the successful development of the polybenzimidazole-phosphoric acid system. The basic prepolymer synthesis and grafting chemistry for the lithium forms of polyether polyelectrolytes was described. The stronger imide acid would provide higher conductivities, and optimization of the imidazole/acid ratio would provide conductivities that are of interest to fuel cell engineers.

Original languageEnglish
Pages (from-to)596-598
Number of pages3
JournalACS Division of Fuel Chemistry, Preprints
Volume49
Issue number2
StatePublished - Sep 2004
Externally publishedYes

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