| 简介 |
PROBLEM TO BE SOLVED : To provide a solid oxide fuel battery cell arranged so that an interconnector layer can be prevented from exfoliating from a solid electrolyte layer.
SOLUTION : The solid oxide fuel battery cell comprises : a solid electrolyte layer 4 made of a ZrO2-based dense sintered compact; an interconnector layer 8 made of a dense sintered compact containing a rare earth element; an intermediate layer 9 through which two opposing ends of the solid electrolyte layer 4 are joined with two opposing ends of the interconnector layer 8; a fuel gas passage formed inside the cell for a fuel gas to pass therethrough; an air electrode layer 6 formed on the outside of the solid electrolyte layer 4; and a fuel electrode layer 3 formed on the inside thereof. The intermediate layer 9 is made of a CeO2-based sintered compact containing a rare earth element other than Ce.
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