(ORDO NEWS) — The Mercedes-Benz cargo division has unveiled the GenH2 concept truck powered by electric fuel cell motors. The energy source is liquefied hydrogen, which is stored onboard the tractor.
Fuel cells for trucks will be developed jointly by Daimler Truck from Germany and Volvo Group from Sweden. The authors of the project intend to use liquefied hydrogen because in this state the energy carrier has a much higher energy density compared to volume than gaseous hydrogen. This solution will reduce the volume and weight of fuel tanks.
Mercedes-Benz GenH2 Truck received two 40-liter liquid hydrogen tanks, which will provide a range of up to 1000 km without refueling. The fuel cell system will provide a total output of 300 kW of power, and an additional 70 kW will be stored in the battery – this reserve will help the truck when accelerating or when driving in the city at full load. Peak power will be 400 kW, but they will be available for a limited period of time. A production truck will be able to replenish energy in batteries by recovering energy during braking or store excess energy from fuel cells.
The hydrogen truck will be equipped with a pair of electric motors. The constant power of each electric motor is 312 hp, but the output of the motors can be temporarily increased up to 449 hp. The serial version of the Mercedes-Benz GenH2 Truck will have a gross weight of 40 tons, taking into account the payload of 25 tons, which is comparable to the performance of the serial Mercedes-Benz Actros with internal combustion engines. The exact timing of the start of production of the fuel cell truck based on the concept truck has not yet been named.
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