| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system capable of efficiently removing residual water in a stack. <P>SOLUTION: The fuel cell system 1 has liquid injection means Pu, C1, C2, C3, Bs1, Bs2 and Bs3 injecting liquid from either of 2d11, 2ell arranged on the lower side along the gravity direction out of a reaction gas inlet and a reaction gas outlet to gas passages 2d1, 2e1 in the stack 2S; liquid exhaust means Bs2, B7, E1, Bs1, Ct and B2, D exhausting liquid injected into the gas passages 2d1, 2e1 from either of the 2d11, 2e11 out of the reaction gas inlet and the reaction gas outlet; and a control means controlling the injection and exhaust of liquid in and from the gas passages 2d1, 2e1, and the control means injects liquid in the gas passages 2d1, 2e1 in the stack 2S by the liquid injection means after the stop of power generation, and then exhausts the liquid injected to the outside of the stack 2S by the liquid exhaust means. <P>COPYRIGHT: (C)2009,JPO&INPIT |
