NiO-GDC-BCY composites as an anode for SOFC

Abstract NiO-Ce 0.9 Gd 0.1 O 1.95 -BaCe 0.8 Y 0.2 O 3−δ (NiO-GDC-BCY) anode based solid oxide fuel cell was fabricated, in which the composite powders of NiO-GDC and BCY were synthesized by solution combustion method and mixed by physical mixing. In the present case, the composite anode material was prepared with varying amount of GDC (2 wt% to 8 wt%) with respect to NiO (38 wt% to 32 wt%) and studied their structural, morphological and electrical properties. The single cell was fabricated comprising NiO-GDC-BCY (34:6:60) anode, LSCF (cathode) and BaCe 0.8 Y 0.2 O 3−δ (electrolyte). The open circuit voltage was measured in hydrogen and biogas atmospheres.