Abstract
Porous and electrically conducting Ni-YSZ cermet is used as fuel electrode for solid oxide fuel eel (SOFC). The synthesis of NI-YSZ cermet through a solution chemistry route is discussed in this paper. The Ni concentration is varied between 10 and 60 volume percent (v/o). Porous structure of these cermets is obtained by proper control of sintering schedule. Electrical properties are evaluated as a function of nickel content. At around 30 v/o of Ni a sudden change in electrical conductivity takes place due to formation of a continuous Ni-chain.
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