| abstract |
A ceria-based composition consisting of ceria or metal-doped ceria and bismuth oxide, a ceria-based composite electrolyte powder, a sintering method and a sintered body using the same are provided. High composite sintered density can be ensured even at low temperature, for example, 1000 ° C. or lower, which is much lower than the existing sintering temperature, for example, 1500 ° C., and the ion conductivity of the composite electrolyte can be increased. |