Permanent topic hydrogen
Europe no longer wants diesel trucks – but how do they drive?
Daimler Hydrogen truck "Genh2" from Daimler – so far only a prototype
Site author Wolfgang Gomoll
The European Union wants to emobility with the crowbar – and in hardly any segment it could fail as crashing as with the trucks. The obvious solution: water tub drive. But that is much more complex than that "System diesel".
If it is after many governments, one thing is clear: the diesel truck has no future. So the brummis should also transport electrically goods. Above all, the EU does not want to compromise. But a 40-ton truck would need a huge battery to complete his day tours. Then there is the shop. In order to quickly fill the gigantic energy storage of the vehicles, suitable petrol stations are necessary, lots of electricity and plenty of space are required. After all, it usually not only docks a tractor -trailer on the power trunk.
Battery truck everywhere – not really realistic
This is currently a homicide argument in an industry that deals with every cent and every minute. In any case, it turns out that electrification of truck traffic on a broad front is, at least in this decade, rather a green air castle than a realistic option .
Many experts therefore rely on hydrogen in the truck transport industry as the energy source of the future. The high energy density and the comparatively fast refueling speak for the chemical element. However, hydrogen storage is not entirely trivial. “Should the hydrogen handed over by the petrol stations to be gaseous or liquid? Standards must be defined and technologies have to be developed and it is important to avoid parallel investments in both scenarios. The decision depends on the requirements of users, truck technology, the development of the infrastructure and the procurement of hydrogen, ”explains Steffen Stumpp from the consulting company Berylls.
What is the problem at the e-car shop? Researchers are looking for testers
Site What is the problem at the e-car shop? Researchers are looking for testers
"Not enough electricity for battery vehicles"
For the former BMW hydrogen expert Dr. Tobias Brunner does not lead to hydrogen anyway. Especially with truck traffic. “We don’t have enough electricity for all battery vehicles. We need the combination of battery and hydrogen to decarbonize traffic. One thing alone is not enough, ”explains the Cryomotive Managing Director, who relies on“ frozen ”hydrogen as an energy source. The Berylls study sees it critically: “Cryocomprimated hydrogen has the highest energy density, but his handling is delicate. Cryocomatic hydrogen is neither gaseous nor liquid and requires new technologies for refueling and storing. Therefore, cryocomatic hydrogen will play no role in commercial truck operation in the near future."
Toyota: E-athletes with solid battery accelerates brutal
Site Toyota: E-athletes with solid battery accelerates brutal
Basically, the hydrogen is about a compromise between the compensation of storage and the energy density. This is crucial for the range. The gaseous variant of the hydrogen, which is saved with a pressure of 350 bar, is mature, but the energy density of 24 kg/m3 is not sufficient for long -distance operation.
BMW BMW test carrier IX5 for hydrogen drive
After all, you can’t make the tanks big. Some experts even see the 40 kg/m3, which are associated with 700 bar, as insufficient. This brings the liquid hydrogen (LH2) into play, which almost reaches the double value with an energy density of 70 kg/m3. There would still be the question of costs: Analysts assume that hydrogen in the truck transport industry only for a price that is profitable below five euros per kilogram. Tests are already running. The hydrogen truck Hyundai Xcient Hydrogen has already deteriorated more than a million kilometers during trial runs in Switzerland.
Batteries for cars, hydrogen for truck?
In the cars, the train has probably run towards the battery -electric drive, but the hydrogen celebrates a renaissance for larger vehicles. Although its production is complex. However, hydrogen could act as an energy source that is produced if the renewable current is not required. For example in wind turbines at night.
Hyundai/Press Inform Hyundai fuel cell truck
Toyota still sees the fuel cell as an alternative to the BEVS. For the Japanese, the hydrogen remains a pillar of the future strategy. Together with the Fukushima prefecture, the Japanese carmaker wants to test a hydrogen -based infrastructure. Also with trucks. This means that the possible uses for Toyota are far from exhausted. The fuel cell should also significantly reduce CO2 emissions on the rail. A pilot project with fuel modules for an emission -free train is currently being tested.
Motorcycles with hydrogen drive: expert sees only advantages
Site Motorcycles with hydrogen drive: expert sees only advantages
Like BMW, the Japanese car manufacturer conjures up hydrogen as a fuel for a classic combustion engine and has presented two studies with the buggy Lexus Rov and the GR YARIS H2 designed for racing, which rely on such a drive concept. And BMW? According to the development board Frank Weber, there is no way around the electric car, but the hydrogen drive has a future as a niche solution – especially for large cars. The IAA study BMW IX5 Hydrogen shows that the Munich team is still on this ball.
2000 cars in the test fleet
With this approach, Weber runs open doors at Stellantis. For the newly created large corporation, hydrogen is a drive alternative. "Whereby this technology will initially prevail in commercial vehicles," explains Opel boss Uwe Hochschurtz. The words follow deeds. Stellantis plans to produce a small fleet of up to 2000 vehicles at the Russelsheim location in the next two years, which are converted to a fuel cell from the battery -operated electric drive. Renault is similar to hydrogen and has recently presented the first of three light commercial vehicles with the prototype Master H2-Tech that the French car manufacturer will launch in a joint venture with Hyvia. The vehicle has a 33 kWh battery and a 30 kW fuel cell that is fed with hydrogen from four tanks with a total of six kilograms. With this, ranges of up to 500 kilometers should be possible, including 100 kilometers in pure battery operation.
With hydrogen through the desert
Bit projects With hydrogen through the desert
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