Patent ID: 8304136

Claim:
A solid oxide fuel cell, comprising: a polygonal tubular support an outer surface of which has a plurality of planes; an outer connector formed on one plane of the tubular support among the plurality of planes of the tubular support; a plurality of unit cells respectively formed on two or more remaining planes of the tubular support except for the one plane of the tubular support; and inner connectors for connecting the plurality of unit cells and the outer connector in series, wherein each of the plurality of unit cells comprises a first electrode, an electrolyte and a second electrode formed in sequential order on the two or more remaining planes of the tubular support except for edges of the tubular support, and the inner connectors are formed at remaining edges of the tubular support except for an edge of the tubular support between one end of the outer connector and one end of the unit cell adjacent to the one end of the outer connector, so as to connect one end of the first electrode and one end of the second electrode adjacent to the one end of the first electrode to each other, and the one end of the first electrode and the other end of the outer connector to each other.