Patent ID: 7694778

Claim:
A fuel cell vehicle comprising: a vehicle body; a fuel cell for generating an electric power through an electrochemical reaction between a fuel gas and an oxidizer gas; an exhaust pipe for exhausting an exhaust gas exhausted from the fuel cell; and a silencer in communication with the exhaust pipe for reducing an exhaust noise due to the exhaust gas, the silencer and the vehicle body are fixed by a conductive fixing jig, wherein the silencer comprises: a silencer body; an inner pipe provided within the silencer body; a noise absorbing pipe in communication with the exhaust pipe and housed within the silencer body, wherein the inner pipe and the noise absorbing pipe create first and second flowing paths of exhaust gas inside the silencer body; and a noise absorbing material provided within the silencer body, wherein the noise absorbing material is a conductive material grounded to the vehicle body, wherein the silencer body comprises a cylindrical shell having a pair of end walls provided at both openings thereof, each of said pair of end walls has a dual-plate structure, wherein a first portion of the noise absorbing material is provided between the dual plates of each of said pair of end walls, and wherein a plurality of transmitting holes is formed through a portion of said at least one of the pair of end walls facing the inner pipe.