Synthesis and characterization of anodic substrates for IT-SOFCs based on proton conductors

Abstract

Cermet anode substrates based on high temperature proton conductors Ni-BaCe0.9Y0.1O3- δ (Ni-BCY10) were prepared using wet chemical method. The microstructural properties of sintered pellets were investigated using X-ray diffraction analysis and field emission scanning electron microscopy. Impedance spectroscopy measurements were used for evaluation of electrical properties of the anode pellets. The high conductivity values of reduced anodes confirmed the percolation through Ni particles even for anode with reduced amount of nickel. Fuel cell tests were carried out and fuel cells with the cermet anode showed higher power output comparing to the fuel cells with platinum electrode.