Abstract
Conventional Ni-cermet anodes show problems for the stability due to carbon coking or Ni coarsening etc.. Perovskite oxides are good candidates as an alternative anode. Electro-catalytic nanoparticles such as Ni or Ru can be produced in oxide anodes when exposed to reducing atmosphere. In this study, we have studied the performance of La0.2SrxTi0.9Ni0.1O3-δ anodes with different Sr content (x=0.7 or 0.8). La0.2Sr0.7Ti0.9Ni0.1O3-δ (LS27) was also composited with Gd0.2Ce0.8O2 (GDC) and impedance spectra and power measurement of the cells with the composite anodes have shown the redox stable and excellent performance of the cell with LS27-GDC anode.
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