Graphene is one of the most exciting new materials currently being developed. It brings superlative performance to supercapacitors, batteries, touch screens, logic, sensors, displays, composites and much more thanks to its electrical, thermal and mechanical properties.

Lithium-ion is the winning type of rechargeable battery for the decade - there is almost a consensus. You can count about 150 manufacturers of these and IDTechEx has profiled nearly all of them.

Electric vehicles are not green just because they use electricity rather than fuel, but their green credentials critically depend on the materials used, the driving conditions and, most importantly, the carbon intensity of their electricity sources.