SHI Jijun , WU Yefan , LUO Linghong , CHENGLiang , WANG Leying , YU Yongzhi

(Jingdezhen Ceramic Institute, Jingdezhen Jiangxi 333001,China)

Abstract: Using nickel nitrate as raw materials, ammonia as precipitating agent, nickel oxalate was prepared by precipitation method. The nickel oxalate was used as anode material for SOFC. Phase and thermal analysis of the powder, structure and electrical properties of solid oxide fuel cell were conducted by XRD, DTA -TG, SEM and electrochemical workstation, respectively. The results showed that the nickel oxalate powder prepared by precipitation method was of a monoclinic system, the nickel oxalate had high catalytic activity when used as an anode material for SOFC, and the open circuit voltage (OCV) and the highest power density of single cell were 1.05V and 1.32W/cm2 at 750°C with H2 as the fuel.

Key words: nickel oxalate; solid oxide fuel cell; electrical properties