The next thing in batteries is right around the corner - sort of.

I have been to the Henry Ford museum that holds the model of the Nucleon (the whole museum has one japanese vehicle)

Standard nuclear fission, no thanks. :Sp

Maybe we will get lucky with fusion research. Lots of effort & money is going into it. The ITER experimental tokamak might come online 2027.

Thorium fission reactors in the meantime before H3O fusion, China is leading in this technology !