| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel battery cell which allows the improvement of its output.SOLUTION: The fuel battery cell comprises: a fuel electrode including nickel and oxygen-ion-conducting substance; an air electrode; and a solid electrolytic layer disposed between the fuel electrode and the air electrode. The fuel electrode has a region where the joint length of a nickel particle and an oxygen-ion-conducting substance particle averages out to a value of 0.4-0.9 μm in cross section. |
