On Wed, 19 May 2021 15:07:11 +0100, The Natural Philosopher
wrote:

snip

...that's what a fast charge battery is all about - better heat dump
capability You can build thin flat cells with air spaces between, fin
them and fan blow them.

snip

I thought those vehicle batteries that included temperature management
were done with liquid (heating and cooling), not air?

Cheers, T i m