| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel battery cell which enables the improvement of an initial output.SOLUTION: A fuel battery cell 10 comprises an air electrode 14. The air electrode 14 includes: a main phase including, as a primary component, a perovskite oxide expressed by the general formula, ABOand including at least Sr at A site; and a second phase including, as a primary component, strontium sulfate. The second phase has an area occupancy rate of 10.2% or less in a cross section of the air electrode 14. |
