| 摘要 |
There is provided a fuel cell and a fuel cell system with superior power generating capability, with which the occurrence of cross-over can be suppressed and enough fuel to generate power can be fed. A fuel cell is obtained by bringing a solid fuel for a fuel cell or a gelled fuel for a fuel cell into contact with a fuel electrode. By forming the fuel for the fuel cell in a solid state or a gel state, the fuel for the fuel cell is non-fluid and can be accumulated at the fuel electrode, the fuel for the fuel cell does not penetrate an electrolyte membrane, and the occurrence of cross-over can be suppressed. Also, because the surface of the solid fuel for the fuel cell or gelled fuel for fuel cell is in a fuel atmosphere of extremely high concentration, the fuel for the fuel cell required for power generation can be adequately fed to the fuel electrode.
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