To provide a solid oxide fuel cell system in which temperature changes are made less in a reformer, and in which increase of an unreformed gas apt to be generated at the time of rapid increase of power generation output of the fuel cell stack can be suppressed.
This is the solid oxide fuel cell system equipped with the reformer 4 to reform a raw material fuel, and a solid oxide fuel cell 2 to carry out power generation by oxidation and reduction of a reforming fuel gas reformed by the reformer 4 and an oxidizing material. Related to the reformer 4, a latent heat storing means 40 to store the fusing latent heat is installed. This latent heat storing means 40 is constituted by a latent heat storing material having a melting point of 600 to 750°C and a housing container 42 to house the latent heat storing material, and this housing container 42 is installed inside the reformer 4 or in contact with or neighboring to the reformer 4.
COPYRIGHT: (C)2008,JPO&INPIT
Tadayuki Sogi
Akio Chikazawa
Katsumi Higaki
Takashi Shigehisa
Takahashi Adult
Kyocera Corporation
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