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Binary inorganic salt mixtures as high conductivity liquid electrolytes for .100 uC fuel cells{
 

Summary: Binary inorganic salt mixtures as high conductivity liquid electrolytes
for .100 uC fuel cells{
Jean-Philippe Belieres,a
Don Gervasiob
and C. Austen Angell*a
Received (in Cambridge, UK) 2nd August 2006, Accepted 12th October 2006
First published as an Advance Article on the web 31st October 2006
DOI: 10.1039/b611150e
We report the successful application of low-melting inorganic
salts with protonated cations (e.g. ammonium) as electrolytes in
fuel cells operating in the temperature range 100200 uC, where
even with unoptimized electrodes, cell performance is compar-
able to that of the phosphoric acid fuel cell operating with
optimized electrodes in the same temperature range, while open
circuit voltages, and efficiencies at low current densities, can be
much better--and there is no need for humidification or
pressure to sustain performance.
Over the past two decades there has been a surge of interest in the
use of ``ionic liquids'' as room temperature solvent media of low
vapor pressure in which chemical reactions can be carried out

  

Source: Angell, C. Austen - Department of Chemistry and Biochemistry, Arizona State University

 

Collections: Materials Science; Chemistry