Patent ID: 8202660
Filing Date: 2012-06-19
Classification: H01M,Y02E

Abstract:
1. A method of operating a fuel cell system comprising: heating a reformer using a burner; heating water in the reformer, once the reformer is heated to a first temperature; conveying the water heated by the reformer to a warm water storage, until the temperature of a CO shifter of a CO remover unit connected to the reformer reaches a second temperature; supplying a fuel source to the reformer to produce a reformed gas, once the CO shifter of the CO remover unit reaches the second temperature; supplying the reformed gas that has passed from the reformer through the CO shifter of the CO remover unit, to the burner, when the CO content of the reformed gas at an outlet of the CO shifter is greater than a set amount; and supplying the reformed gas from the CO remover unit to a stack, when the CO content of the reformed gas at the outlet of the CO shifter is reduced to the set amount, or less.