Patent ID: 8815456
Filing Date: 2014-08-26
Classification: H01M,Y02E

Abstract:
1. A method of operating a fuel cell system having a plurality of fuel cells arranged in a generation chamber and a power controller that controls electric power output from the fuel cells, the method comprising: controlling a flow rate of the fuel gas fed to the fuel cells and a flow rate of the oxygen-containing gas fed to the fuel cells based on an electric current of the fuel cells, storing a fuel gas buffer amount specific to the fuel cells that is not smaller than a fuel gas amount sufficient to cause a flow rate of the fuel gas to increase from a minimum flow rate to a maximum flow rate, wherein the fuel gas buffer amount is stored inside a constitution of the fuel cells, supplying the fuel cells with a required amount of the fuel gas from the fuel gas buffer amount without a time lag associated with waiting for the amount of the fuel gas to increase.