Korea

The advantages of solid oxide fuel cells (SOFCs), compared with other types of fuel cells, include their high energy conversion efficiency and their utilization of hydrocarbon fuels without reformers. Although conventional Ni-based cermet anodes have commonly been used as an anode material with high catalytic properties for H2 fuel, the carbon deposition in Ni-YSZ anodes when hydrocarbon fuels are used directly is a critical problem that results in the destruction of the anode microstructure and abrupt decline in cell performance. Our research focuses on optimizing the flow rate of CH4-fueled Ni-YSZ anode/YSZ electrolyte/LSM-YSZ cathode type SOFC unit cells for improving cell performance and better durability. A high power density of 0.75 Wcm-2 at 80