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An Effect of Anodic Reaction on the Current-Voltage Characteristics of Solid Oxide Fuel Cells
14
Citations
2
References
1995
Year
Materials ScienceElectrical EngineeringChemical EngineeringEngineeringNi Metal ParticlesOxide ElectronicsAnodic Concentration OvervoltageMetal AnodeElectrochemical Power SourceEnergy StorageCurrent-voltage CharacteristicsConcentration OvervoltageChemistryElectrochemical ProcessAnodic ReactionElectrochemical CellPower CellElectrochemistry
Abstract The anodic concentration overvoltage was dominant in the low current density region when high concentration of CH4 or H2 was supplied to a Ni-YSZ anode of a solid oxide fuel cell. For a dilute fuel condition, the concentration overvoltage was small at low current densities, but a limiting current appeared due to depletion of fuel at high current densities. In extremely high PO2 region, the anodic polarization became large due to surface oxidation of Ni metal particles.
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