| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system supplementing humidifying volume lacking and preventing water clogging. <P>SOLUTION: The system is provided with a fuel battery stack laminating fuel battery cells generating power by having fuel gas and oxidizer gas react with each other, a compressor compressing cathode supply gas, a heat exchanger cooling the cathode supply gas at downstream of the compressor, a water-permeating film type humidifier humidifying the cathode supply gas by collecting moisture of cathode offgas, an exhaust pressure adjusting valve adjusting pressure of the cathode offgas at downstream of the water-permeating film type humidifier, a three-way valve forming a bypass channel by branching a cathode exhaust channel on the way between the fuel battery stack and the water-permeating film type humidifier, a pressurizing pump arranged on the bypass channel, and a circulation valve arranged on a cathode circulation channel. The cathode circulation channel connects the cathode exhaust channel between a confluence of the bypass channel with the cathode exhaust channel and the water-permeating film type humidifier with the cathode supply channel between the compressor and the heat exchanger for cathode gas cooling. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
