Fuel cell vehicles: Status 2007

Within the framework of this paper, a short motivation for hydrogen as a fuel is provided and recent developments in the field of fuel cell vehicles are described. In particular, the propulsion system and its efficiency, as well as the integration of the hydrogen storage system are discussed. A fuel cell drivetrain poses certain requirements (concerning thermodynamic and engineering issues) on the operating conditions of the tank system. These limitations and their consequences are described. For this purpose, conventional and novel storage concepts will be shortly introduced and evaluated for their automotive viability and their potential impact. Eventually, GM's third generation vehicles (i.e. the HydroGen3) are presented, as well as the recent 4th generation Chevrolet Equinox Fuel Cell SUV. An outlook is given that addresses cost targets and infrastructure needs.

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