Abstract
A new type of solid oxide fuel cell (SOFC) is presented which can convert heat absorbed from a high-temperature source to electricity bypassing the Carnot limitation and use solid carbon as the fuel. The essential cell reaction is the partial oxidation of carbon to carbon monoxide, unlike in the case of conventional SOFC where oxidation of hydrogen and carbon monoxide to water vapour and carbon dioxide are the main reactions. The fuel cell is endothermic and absorbs heat from an external source and converts it to electricity. The theoretical basis of the new fuel cell is explained and some preliminary experimental results are presented. A liquid metal is used as the medium for the carbon-oxygen reaction generating carbon monoxide. There is no violation of the second law of thermodynamics since the theoretically loss free conversion of heat to electricity is accompanied by a chemical reaction.
Publisher
The Electrochemical Society
Cited by
11 articles.
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