Patent attributes
Provided is a protective structure for a fuel cell system in a vehicle. The fuel cell system includes a fuel cell unit accommodating a fuel cell and a related device disposed adjacently to the fuel cell unit. The protective structure enables effective protection of the fuel cell unit and the related device from impacts from below the vehicle. The fuel cell unit and the related device are provided at respective protective structural bodies. An under-panel is provided on at least one of the bottom surfaces of the protective structural bodies. A floor panel covers commonly the bottom surface sides of the fuel cell unit and the related device.