| 简介 |
PROBLEM TO BE SOLVED : To provide : a zirconia electrolyte which is high in strength and suitable for a solid electrolyte layer of a solid oxide fuel cell, or the like; and a method for manufacturing the zirconia electrolyte with a high strength.
SOLUTION : A zirconia electrolyte according to the present invention comprises a zirconia stabilized by oxide of one or more rare earth elements selected from a group consisting of scandium, yttrium, cerium, gadolinium, ytterbium. In a fracture surface thereof, the standard deviation about the number of pores in 10 or more regions of 50 μm2 which do not overlie each other is 2.5 or more.
SELECTED DRAWING : None
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