FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

摘要

A fuel cell system includes a fuel cell, a first combustor, a second combustor, a first heating gas return channel, a second heating gas return channel and a gas supplier. The fuel cell includes a solid electrolyte cell with an anode and a cathode. The first combustor supplies a heating gas to the cathode. The second combustor supplies a heating gas to the anode. The first heating gas return channel is arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the first combustor. The second heating gas return channel is arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the second combustor. The gas supplier is connected to the first heating gas return channel for supplying the exhaust gas from the cathode to mix with the heating gas of the first combustor.

主权项

1. A fuel cell system comprising:
a fuel cell including a solid electrolyte cell with an anode and a cathode, the fuel cell being configured to generate power by reacting a hydrogen-containing gas and an oxygen-containing gas; a first combustor arranged to selectively supply a heating gas to the cathode of the fuel cell; a second combustor arranged to selectively supply a heating gas to the anode of the fuel cell; a first heating gas return channel arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the first combustor such that a mixed heating gas of the exhaust gas from the cathode and the heating gas from the first combustor is supplied to the cathode; a second heating gas return channel arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the second combustor such that a mixed heating gas of the exhaust gas from the cathode and the heating gas from the second combustor is supplied to the anode; and a gas supplier connected to the first heating gas return channel for supplying the exhaust gas from the cathode to mix with the heating gas from the first combustor.