

Yes. Chinese manufacturers are using sodium batteries in some low-range cheap city-cars, too. But fundamentally there is less energy storage in a charged sodium atom than a charged lithium atom so it seems sodium batteries must always be bigger and heavier than equivalent-capacity lithium batteries.






Cat was content but something has interrupted its chill and it is ready for the interruption to piss off.
If it was my cat doing that annoyed tail tip twitch and watching everything that moves or gets close, I would be careful of my fingertips.