Governing Equations for Transport in Porous Electrodes

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© 1997 ECS - The Electrochemical Society
, , Citation Pauline De Vidts and Ralph E. White 1997 J. Electrochem. Soc. 144 1343 DOI 10.1149/1.1837595

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1 Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29208

Dates

  1. Received 29 January 1996
  2. Revised 5 December 1996

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Abstract

General governing equations for a porous electrode containing three phases (liquid, solid, and gas) are developed using the volume‐averaging technique. These equations include the mass transfer in each phase, ohmic drop in the liquid and solid phases, and the equations resulting from applying the principle of conservation of charge. The electrolyte is considered to be a concentrated binary solution.

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