The Estonian company Skeleton Technologies announced the signing of a letter of intent with an unnamed automaker, under which it is going to supply batteries of a new type in the amount of at least one billion euros. The novelty was called uncomplicated - SuperBattery. It was developed in collaboration with scientists from the Karlsruhe Institute of Technology and has a fantastic charging speed of just 15 seconds.
Nothing is known about the capacity and other characteristics of the new batteries. Partly because this is only a technology so far, and the final product will depend on the customer's requests. SuperBattery has an array of conventional lithium-ion batteries, which can vary widely. They come with Skeleton's proprietary graphene ultracapacitors.
The idea is quite simple: you need to combine two types of batteries with opposite characteristics into a single whole. Lithium-ion modules have a huge capacity, but a low charging speed, supercapacitors have a huge charge flow rate, but an extremely low capacity. This means that if you assemble a tandem from them and operate it in the correct mode, you can have a constant supply of energy and significantly save on charging time.
Alas, in practice, it is unlikely that everything will turn out so smoothly. The SuperBattery idea clearly envisions a large number of electric refueling stations in the area of the electric vehicle in order to quickly and very quickly recharge the batteries. In reality, even in developed countries there are not so many of them yet - in addition, the charging stations themselves do not support the current transfer rates that are discussed in Skeleton. Although the charging time is only 15 seconds instead of 2 hours, it looks incredibly tempting.
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