IDTechEx interviews in Japan have established that supercapacitors across lithium-ion batteries in cars can increase range by 10% by permitting deep discharge, provided suitable batteries are used that can tolerate such a regime.

This article shares some of the findings of the new IDTechEx Research report, Fuel Cell Electric Vehicles 2015-2030: Land, Water, Air and some of what will be discussed in the forthcoming IDTechEx webinar on 9th June.