| 摘要 |
A fuel cell generates electric power when the solid oxide type fuel cell element is arranged in a flame or in a portion close to the flame, and the durability of the fuel cell is high. A fuel cell 10 for generating electricity when the solid oxide type fuel cell 15, in which a cathode layer 11 is formed on one face of a solid electrolyte layer 13 and an anode layer 12 is formed on the other face of the solid electrolyte layer 13, is arranged in a flame 20 or in a portion close to the flame 20, wherein the solid electrolyte layer 13 is made of porous material, the porosity of which is not less than 10%, so that cracks can not be caused on the solid electrolyte layer 13 by a sudden temperature change in the solid oxide type fuel cell 15 when the solid oxide type fuel cell 15 is arranged in the flame 20 or in a portion close to the flame 20 or when the solid oxide type fuel cell 15 is separated from the flame 20 or the portion close to the flame 20.
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