Solid Oxide Fuel Cell Thermodynamic Study

Year 2017, Volume: 14 Issue: 2, - , 01.11.2017

Youcef Sahli Bariza Zitouni Hocine Ben-moussa

Abstract

The aim of this work is the solid oxide fuel cell (SOFC) thermodynamic study. Particular attention
is given to the electric power optimization. The Nernst potential and the over-potentials that are due to the
concentration polarization, activation polarization and to the Ohm polarization represent the fuel cell
potential. A FORTRAN language program was developed locally for the cell model simulation.

From the result analysis, it appears that the developed model allowed understanding the operating condition
effects on both potential and power density values. The obtained results show that the cell potential and the
power density are proportional to the operating temperature changes and to the oxygen concentration in the
oxidant, by cons, they are inversely related to the supply pressure changes, fuel moisture and to the electrolyte
thickness.

Keywords

SOFC, power density, over-potential, thermodynamic

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