Patent ID: 8283083
Filing Date: 2012-10-09
Classification: H01M,Y02E

Abstract:
1. A fuel cell system comprising: a fuel cell to generate electric power, being supplied with a fuel gas to a fuel electrode thereof and an oxidant gas to an oxidant electrode thereof; a fuel gas supplying device which supplies the fuel gas to the fuel electrode of the fuel cell; an oxidant gas supplying device which supplies the oxidant gas to the oxidant electrode of the fuel cell; a fuel gas pressure detector which detects fuel gas pressure at the fuel electrode of the fuel cell; a fuel gas pressure regulating device which regulates the fuel gas pressure at the fuel electrode of the fuel cell; an exhaust fuel gas discharging device which discharges exhaust fuel gas from the fuel electrode of the fuel cell to the outside, the exhaust fuel gas discharging device including a purge valve; an exhaust fuel gas treatment device which treats the exhaust fuel gas discharged from the purge valve to reduce fuel gas concentration thereof; and a controller which controls power generation of the fuel cell, wherein the controller is programmed to: