OPERATIONAL METHOD OF SOLID ELECTROLYTE TYPE FUEL CELL

摘要

PROBLEM TO BE SOLVED: To provide an operational method of an SOFC wherein electric power generating reaction of SOFC is enabled to be stabilized in a short time even in case the output of the SOFC has been made to be varied. SOLUTION: The electric power output of the solid electrolyte type fuel cell is changed so that reaction temperature T of the solid electrolyte type fuel cell satisfies an equation (1): T0 -10<=T<=T0 +10, In the equation, T0 is the reaction temperature ( deg.C) of the solid electrolyte type fuel cell before power output change.