| 摘要 |
<P>PROBLEM TO BE SOLVED: To maintain quality of cooling water while suppressing heat loss or shortening end time. <P>SOLUTION: This solid polymer type fuel cell system is provided with a solid polymer type fuel cell 11, a cooling water tank 12 for storing cooling water for cooling the fuel cell 11, a fuel side condensing means 16 for condensing steam included in exhaust fuel gas and/or an air side condensing means 17 for condensing steam included in exhaust air, a condensed water tank 18 for storing condensed water condensed by the fuel side condensing means 16 and/or an oxidizer side condensing means 17, a water drain passage 21 for draining extra cooling water in the cooling water tank 12 into the condensed water tank 18 from the cooling water tank 12, a water supply passage 20 having a water supply pump 19 for supplying water into the cooling water tank 12 from the condensed water tank 18, and a water quality treatment means for adjusting quality of water supplied into the cooling water tank 12 in the water supply pqassage 20. The water supply pump 19 is operated when starting and/or ending operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
