sci.energy

"Sevenhundred Elves" wrote in message
news: $ @ ...

> It is indeed a problem that there are no really neat ways of storing
> energy. Every time you convert one form of energy into another, energy
> is lost. When you charge a battery, for instance, it gets hotter, and
> that heat is energy that's lost in the process of converting electrical
> energy into chemical energy. It also gets hotter when you discharge it.

Efficiency isn't the problem with batteries. Capital cost and operating
lifetime are the problems.

Paul