Abstract text

A mobile unit has a fuel cell (100) in which a stacked assembly (ASSY) composed of a plurality of stacked power generation elements (10) is held between two rigid plates (110a, 110b). The mobile unit includes: a first mount (300a), a second mount (300b), and a third mount (300c) each of which is an insulating elastic element that suppresses vibration transferred from the mobile unit to the fuel cell (100). The first mount (300a) and the second mount (300b) are both disposed in proximity to the central portion of the plate surface of the rigid plates (110a, 110b). The rigid plates (110a, 110b) are pressed toward each other. The third mount (300c) is disposed at one of the side surface of the fuel cell (100) extending along the stacked direction, and presses the one side surface in the direction generally perpendicular to the stacked direction of the stacked assembly (ASSY).