• Mercedes GLC F-Cell

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    mercedes20160628The fuel cell gets a plug

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    Fuel-cell technology is an integral part of Daimler AG’s drive system strategy. Because the advantages are clear: a long operating range and short refueling stops as well as a broad spectrum of possible uses ranging from passenger cars to urban buses. A new vehicle generation based on the Mercedes-Benz GLC is being launched in 2017. Mercedes-Benz engineers joined forces with partners in the Daimler competence network to develop a new, compact fuel-cell system that for the first time fits into conventional engine compartments.

    The GLC F-CELL features a large lithium-ion battery as a further innovation of the next-generation fuel-cell vehicles. Rated at around 9 kWh, the battery serves as an additional energy source for the electric motor and can be charged externally by means of plug-in technology for the first time. Together with the further developed intelligent operating strategy, the combination of fuel cell and battery system offers maximum efficiency and comfort. With this set-up, the GLC F-CELL achieves a combined range of around 500 kilometers in the New European Driving Cycle (NEDC).

    Daimler relies on electric mobility with fuel cell. Vehicles such as the B-Class F-CELL and the Citaro FuelCELL-Hybrid urban bus have together now clocked up in excess of 12 million kilometers, clearly demonstrating that the drive concept is ready for market. The next technology advance is now imminent: working together with partners from its global competence network, Daimler AG has developed an all-new fuel-cell system. Around 30 percent more compact than previously, it can be fully housed in the engine compartment for the first time. The fuel cell developers have also further optimized the performance and operating range. Furthermore, the cost of the innovative technology has been slashed thanks largely to a 90-percent reduction in the amount of platinum used in the stack. From 2017, Daimler will be unveiling the new-generation fuel-cell technology based on the Mercedes-Benz GLC.

    World first: plug-in fuel-cell drive goes into production
    A lithium-ion battery for autonomous operation is being used in an electric vehicle with fuel cell for the first time. The powerful battery has a capacity of around 9 kWh and is housed at the rear of the sport utility vehicle (SUV) to save space. It allows the GLC F-CELL to run on purely battery-electric power for up to 50 kilometers in the NEDC and can be conveniently charged at a standard household socket, a Mercedes-Benz wall box or a public charging station. Two carbon-fiber-encased tanks built into the vehicle floor hold around 4 kilograms of hydrogen. Thanks to the globally standardized 700-bar tank technology, the tank in the GLC F-CELL can be refilled at a hydrogen filling station within just three minutes, which is about the same amount of time it takes to refuel a car with an internal combustion engine.

    The combination of fuel cell and plug-in battery is ideal given the progressive development of the hydrogen filling station infrastructure. The innovative plug-in fuel-cell drive combines the advantages of both zero-emission drive technologies and, thanks to its intelligent operating strategy, continuously optimizes the use of both energy sources in line with the current operating situation. The system also features a recuperation function, for example, which allows energy to be recuperated and stored in the battery during braking and coasting phases. In total, the GLC F-CELL achieves a combined range of around 500 kilometers in the NEDC.

    Global competence network: access to key technologies
    Part of the Daimler AG strategy involves ensuring direct access to key electromobility components. During development and production of the innovative fuel-cell drive, Daimler AG is able to call upon its global competence network. The centerpiece of the technology, the fuel-cell stack, was developed in Vancouver, Canada together with partner Ford in the Automotive Fuel Cell Cooperation (AFCC) joint venture. The stack is produced in the neighborhood at Mercedes-Benz Fuel Cell (MBFC). Overall responsibility for the complete fuel-cell-drive assembly and the hydrogen storage system is developed from the Daimler subsidiary NuCellSys in Kirchheim/Nabern, Baden-Württemberg.

    The Daimler strain plant Untertürkheim is responsible for an establishment for the fuel cell system installation, also at the location Nabern. The GLC has been rolling off the production line there since July 2015.

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