A Novel Brønsted Acid–base System as Anhydrous Proton Conductors for Fuel Cell Electrolytes

A super-strong acid, bis(trifluoromethanesulfonyl)amide, was combined with 4,4′-trimethylenedipyridine at various molar ratios to prepare a novel series of Brønsted acid–base ionic liquids. The protic neutral salt was electroactive for H2 oxidation and O2 reduction at a platinum electrode under non-...

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Bibliographic Details
Published in:Chemistry letters 2003-09, Vol.32 (9), p.836-837
Main Authors: Susan, Md. A. B. H, Yoo, Migyung, Nakamoto, Hirofumi, Watanabe, Masayoshi
Format: Article
Language:English
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Summary:A super-strong acid, bis(trifluoromethanesulfonyl)amide, was combined with 4,4′-trimethylenedipyridine at various molar ratios to prepare a novel series of Brønsted acid–base ionic liquids. The protic neutral salt was electroactive for H2 oxidation and O2 reduction at a platinum electrode under non-humidifying condition, which shows the potential of pyridinal systems as new fuel cell electrolytes for elevated temperature operation and foretells the polymeric model of solid-state anhydrous proton conductors.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2003.836