Mercedes was the first to create vehicles on solid-state batteriesSeptember 21, 2020
New batteries offered for the eCitago G bus
Daimler has unexpectedly presented the world’s first mass-produced vehicle with solid-state batteries. This is the eCitago G electric bus, which is already on sale.
Solid-state batteries differ from the usual lithium-ion batteries in that their electrolyte is not in a gel-like state, but in a solid state. This allows them to hold more energy and can operate over a wider temperature range.
The latter is extremely important. Such batteries lose efficiency less in the cold season, and are also less afraid of overheating, so it is easier to charge them with a high power current.
Until now, however, no company has been able to create mass-produced solid-state batteries for an electric vehicle, so the Mercedes bus can be considered an iconic model.
The solid-state battery has a capacity of 441 kilowatt-hours. The manufacturer does not provide a power reserve on a single charge, but following the example of other buses, one can expect that it should be no less than 250 kilometers, which is quite enough for urban use. The company warrants the battery for 10 years or 280 megawatt hours of performance, which equates to 635 full charge and discharge cycles.
The most striking thing is that Mercedes solid-state batteries, contrary to all logic, do not support fast charging. Therefore, for eCitago, the manufacturer also offers a battery based on the new prismatic lily-ion cells. Its capacity is lower – 396 kilowatt-hours, the power reserve is again not specified, as well as the maximum charging current, but such a model supports fast charging.
The Mercedes eCitago electric bus was introduced by the company in 2018. This is an urban “accordion” that can accommodate 157 passengers. The bus is equipped with two 170 hp electric motors. every.
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