Patent ID: 7615301
Filing Date: 2009-11-10
Classification: H01M,Y02B,Y02E

Abstract:
1. A fuel cell system which is mounted in and used for a portable and small electric device, comprising: a thin housing having a substantially rectangular parallelepiped shape; a cell unit comprising one or more fuel cells; a fuel tank unit for storing a fuel to be supplied to the cell unit; and a fuel feed unit for supplying the fuel from the fuel tank unit to the cell unit, the fuel feed unit, the fuel tank unit and the cell unit being provided in the housing, wherein the fuel tank unit, the fuel feed unit and the cell unit are located in order of i) the fuel tank unit, ii) the fuel feed unit, and iii) the cell unit in one direction between two opposite faces of the housing, wherein the fuel tank unit comprises a valve, which supplies fuel to the fuel feed unit and opens to release the fuel in the fuel cell system only when the fuel tank unit is mounted, and wherein the fuel feed unit connects sides of the fuel tank unit and the cell unit that face each other and reduces a pressure of gaseous fuel supplied from the fuel tank unit.