Patent ID: 7318969

Claim:
A fuel cell comprising: an electromotive section which generates electric power through a chemical reaction; a fuel tank which contains a fuel; an anode line through which the fuel is circulated between the electromotive section and the fuel tank; an air supply section which supplies air to the electromotive section; a cathode line which is connected to the electromotive section and through which products from the electromotive section are discharged; a cooler which is arranged in the cathode line, cools the products, and condenses water; an exhaust filter provided in the cathode line on the downstream side of the cooler; a reservoir portion which stores the condensed water and water discharged from the electromotive section; a first recovery line through which the water stored in the reservoir portion is guided into the fuel tank; and a second recovery line through which the water produced in the cathode line is guided into the reservoir portion between the cooler and the exhaust filter.