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Direct Conversion of Coal Derived Carbon in Fuel Cells

  • John F. Cooper

Abstract

A long-held dream of early energy science and technology has been a fuel cell that would directly convert coal char (if not raw coal) into electric power—bypassing the emission problems of combustion and the efficiency limitations of thermal cycles. Such a fuel cell would generate electric power from an electrochemical reaction similar to the combustion reaction of carbon:
$$ C + O_2 = CO_2 (\Delta H^0 _{298 K} = - 94.05 kcal/mole, E^0 = 1.02 {\text{V at }}750^\circ {\text{C}}) $$
(1)
As an example, the fuel cell (Fig. 1) might use carbon plates or particulates wetted with a molten alkali carbonate electrolyte, a melt saturated porous ceramic separator, and an air electrode catalyzed by lithiated NiO, such as used in the molten carbonate hydrogen fuel cell (Cherepy et al, 2005; Vutetakis, 1985; Weaver et al, 1979).

Keywords

Fuel Cell Molten Salt Open Circuit Potential Petroleum Coke Bipolar Plate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Anamaya Publishers, New Delhi, India 2007

Authors and Affiliations

  • John F. Cooper
    • 1
  1. 1.Energy Systems, Materials Science and Technology Division, Chemistry and Materials Science DirectorateLawrence Livermore National Laboratory, L-352LivermoreUSA

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