Simplification of Solid Oxide Fuel Cell System Using Partial Oxidation of Methane

The solid oxide fuel cell, Ni–YSZ cermet |YSZ| Au, could supply the stable electric power in an uniform atmosphere, namely, a methane + air mixture. At operating temperature of 950 °C, the electromotive force (EMF) was 350 mV, and the terminal voltage was 159 mV at 14.7 mA cm−2 with 2.36 mW cm−2. The working mechanism of the fuel cell was based on the difference in catalytic activity for partial oxidation of methane between Ni–YSZ cermet and Au electrode materials.