FUEL CELL SYSTEM AND METHOD FOR OPERATING FUEL CELL SYSTEM

摘要

A fuel cell system (100) includes a hydro-desulfurizer (1), a material supply unit (3), a hydrogen generator (2), a fuel cell (8), a fuel gas channel (10), a recycled gas channel (4), an off fuel gas channel (11), a first on-off valve (5), and a controller (7). The controller is configured to close the first on-off valve and activate the material supply unit when a predetermined condition is satisfied.