Wei Zhu, Yan-hong Yin, Cen Gao, Chang-rong Xia, Guang-yao Meng. Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel[J]. Chinese Journal of Chemical Physics , 2006, 19(4): 325-328. doi: 10.1360/cjcp2006.19(4).325.4
Citation: Wei Zhu, Yan-hong Yin, Cen Gao, Chang-rong Xia, Guang-yao Meng. Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel[J]. Chinese Journal of Chemical Physics , 2006, 19(4): 325-328. doi: 10.1360/cjcp2006.19(4).325.4

Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel

doi: 10.1360/cjcp2006.19(4).325.4
Funds:  This work was supported by the National Natural Science Foundation of China (No.50372066 and No.50332040).
  • Received Date: 2005-06-02
  • The electromotive force (e.m.f.) of solid oxide fuel cells using biomass produced gas (BPG) as the fuels is calculated at 700-1,200 K using an in-house computer program, based on thermodynamic equilibrium analysis. Tour program also predicts the concentration of oxygen in the fuel chamber as well as the concentration of equilibrium species such as H2, CO, CO2 and CH4. Compared with using hydrogen as a fuel, the e.m.f.for cells using BPG as the fuels is relative low and strongly influenced by carbon deposition. To remove carbon deposition, the optimum amount of H2O to add is determined at various operating temperatures.Further the e.m.f, for cells based on yttria stabilized zirconia and doped ceria as electrolytes are compared.The study reveals that when using BPG as fuel, the depression of e.m.f, for a SOFC using doped ceria as electrolyte is relatively small when compared with that using Yttria stabilized zirconia.
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Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel

doi: 10.1360/cjcp2006.19(4).325.4
Funds:  This work was supported by the National Natural Science Foundation of China (No.50372066 and No.50332040).

Abstract: The electromotive force (e.m.f.) of solid oxide fuel cells using biomass produced gas (BPG) as the fuels is calculated at 700-1,200 K using an in-house computer program, based on thermodynamic equilibrium analysis. Tour program also predicts the concentration of oxygen in the fuel chamber as well as the concentration of equilibrium species such as H2, CO, CO2 and CH4. Compared with using hydrogen as a fuel, the e.m.f.for cells using BPG as the fuels is relative low and strongly influenced by carbon deposition. To remove carbon deposition, the optimum amount of H2O to add is determined at various operating temperatures.Further the e.m.f, for cells based on yttria stabilized zirconia and doped ceria as electrolytes are compared.The study reveals that when using BPG as fuel, the depression of e.m.f, for a SOFC using doped ceria as electrolyte is relatively small when compared with that using Yttria stabilized zirconia.

Wei Zhu, Yan-hong Yin, Cen Gao, Chang-rong Xia, Guang-yao Meng. Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel[J]. Chinese Journal of Chemical Physics , 2006, 19(4): 325-328. doi: 10.1360/cjcp2006.19(4).325.4
Citation: Wei Zhu, Yan-hong Yin, Cen Gao, Chang-rong Xia, Guang-yao Meng. Electromotive Force for Solid Oxide Fuel Cells Using Biomass Produced Gas as Fuel[J]. Chinese Journal of Chemical Physics , 2006, 19(4): 325-328. doi: 10.1360/cjcp2006.19(4).325.4

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