The fuel cell performance of the anode supported cell with Eu2O3 doped Bi2O3 infiltrated La0.8Sr0.2MnO3(LSM)–Zr0.92Y0.16O2.08(YSZ) composite cathode, Ni-YSZ anode, and YSZ electrolyte was examined in the temperature range 850–650°C⁠. The cell performance was improved by infiltrating the nanoparticle Bi2O3–Eu2O3 solid solution into the porous LSM-YSZ cathode. The power density of the cell with the LSM-LSZ cathode was enhanced from 0.28 W/cm2 to 0.52 W/cm2 at 0.7 V and 750°C by infiltration of (Bi2O3)0.7(Eu2O3)0.3⁠. The improvement of the power density was explained by decreasing the electrode resistance for oxygen reduction on the cathode. No significant degradation of the power density was observed within 200 h at 750°C and 0.7 V.

Issue Section:
Research Papers
Keywords:
bismuth compounds, electrochemical electrodes, europium compounds, lanthanum compounds, manganese compounds, nanoparticles, nickel compounds, solid oxide fuel cells, strontium compounds, yttrium compounds, zirconium compounds
Topics:
Anodes, Electrodes, Electrolytes, Intermediate temperature solid oxide fuel cells, Nanoparticles, Oxygen, Power density, Solid oxide fuel cells, Temperature, Composite materials, Fuel cells
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