Patent ID: 8450027

Claim:
A fuel cell stack of a fuel cell vehicle, which includes a plurality of unit cells and an end plate disposed on each of both ends thereof, the fuel cell stack comprising; a fastening bar between the end plates, which fastening bar contacts a top portion and a side portion of each of the end plates; a fixing block penetrating an end portion of the fastening bar, connected to the end plate in a predetermined direction, and having a head portion which supports the fastening bar by pressing down an outside surface of the fastening bar in a direction from one end elate to an opposite end plate using the head portion; and a fixing pin penetrating the fastening bar at an angle perpendicular to the predetermined direction and detachably connected to the fixing block, wherein the detachable connection of the fixing pin to the fixing block is realized by allowing the fixing pin to be locked to and released from a locking projection provided directly or indirectly on the end plate by rotation of the fixing pin.