> Supercapacitors are the thing that halves the requirement for these lithium iron batteries that we are supposed to be running out of. That's patently false,

> Supercapacitors are the thing that halves the requirement for these lithium iron batteries that we are supposed to be running out of. That's patently false, though. Skeleton claims they have legitimately impressive power/weight ratios, but that's totally irrelevant to vehicles. The current batteries can push short bursts of well over 2 kW/kg. Even the smallest cars (the Smart FourTwo has a 50-100 kW engine) can be powered by tiny batteries (10-15 kWh). Cruising range is the deciding factor in battery size, and capacitors are totally irrelevant to that. The electric FourTwo could be fitted with a 10 kWh battery, but nobody really wants <35 miles of range. At that point it makes far more sense to have an electric bicycle. To really drive the point home, there are readily available batteries that have 5x the specific power of the batteries used in EVs, and only ~20% less capacity. They aren't used, because the extra power is not required. [1]: https://www.skeletontech.com/skeleton-blog/ultracapacitors-or-batteries-infographic https://www.skeletontech.com/skeleton-blog/ultracapacitors-o...