Currently, the energy density of NiMH batteries is anywhere from 1/2-3/4 of LiIon batteries, so I wouldn't bet on them being used as traction packs for EVs anym

Currently, the energy density of NiMH batteries is anywhere from 1/2-3/4 of LiIon batteries, so I wouldn't bet on them being used as traction packs for EVs anymore. It'll be interesting to see if more research is done on NiMH after the patents expire though.