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Chem Commun (Camb). 2007 Jun 28;(24):2539-41. Epub 2007 Mar 19.

Brønsted acid-base ionic liquids for fuel cell electrolytes.

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  • 1Department of Chemistry and Biotechnology, Yokohama National University, 79-5 Tokiwadai, Hodogaya ward, Yokohama, 240-8501, Japan.


A simple protic ionic liquid obtained from the combination of diethylmethylamine and trifluoromethanesulfonic acid exhibits the remarkable results as a medium temperature fuel cell electrolyte under non-humidifying conditions, affording a higher and stable open-circuit potential, wide liquid temperature range, and high thermal stability.

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