| 摘要 |
PROBLEM TO BE SOLVED: To provide a solid oxide type fuel cell capable of suppressing reduction in power generation performance.SOLUTION: A solid oxide fuel cell 10 comprises a fuel electrode 20, a solid electrolyte layer 30, a barrier layer 40, and an air electrode 50. A porosity of the barrier layer 40 is less than 10%. The barrier layer 40 has a plurality of closed spaces 42 formed on a grain boundary of a plurality of barrier layer particles 40a. |
