Skeleton Technologies announces graphene superbatteries charged in 15 seconds Estonian Skeleton Technologies and the German Karlsruhe Institute of Technology have just announced the signing of cooperation on a SuperBattery for electric cars, which will be charged in several seconds.

What exactly are we talking about? Most likely, a hybrid solution that combines traditional lithium-ion cells and ultracapacitor cells, in which we find a proprietary curved graphene structure, using the strengths of both technologies. Simply put, lithium batteries offer a high energy density, which means they can store a lot of energy, but unfortunately they take a long time to charge and discharge - this is why electric cars take so long to charge, which is a bottleneck in the development of this industry. Supercapacitors, on the other hand, charge and discharge quickly, but are not able to store too much energy, so they are not yet used in electric cars, for which they are even made, because the batteries based on them would be huge.

This is a solution similar to that previously presented by companies such as Nawa (and that may be the reason why Maxwell is bought by Tesla), i.e. the lithium module gives high energy density, and the capacitors fast charging (both from the station and energy recovery during regenerative braking) and the ability to operate over a wide temperature range, so the result is the perfect combination for electric cars. It cannot be denied that if you can actually find the perfect combination of technologies, it promises to be great, but ...

... the declaration of charging in 15 seconds sounds impossible to fulfill, because although supercapacitors do charge quickly, we still have a lithium component that does not have such abilities. So how do Skeleton Technologies and KIT want to achieve this? It seems that they have used a clever marketing ploy here, and in fact, you should expect an instant recharge in 15 seconds, which will allow you to reach the charging station or place of residence in an emergency. However, we are talking about fast charging for short-distance driving rather than significantly increased range for electric cars on the road, especially as the new batteries will still rely on classic docking stations, which may not be able to handle this technology. Thus, this one may be purely theoretical, but time will tell as Skeleton said it has already signed a letter of intent with a leading automotive OEM to bring the technology to market. Well, we are waiting for the results!