Jones Beene wrote:
>
> According to "Utility Federal Technology Opportunities," EEStor
> claims the battery will be half the cost per kilowatt-hour and one-tenth the weight
> of lead-acid batteries. Did you get that ? cheaper than lead-acid per kw and
> 1/10 the weight for the same power? Specifically, the anticipated
> unit weighs 400 pounds and delivers 52 kilowatt-hours
> on a fresh charge.
>
If 330 lbs (150 kg) of that 400 lb weight is Barium Titanate (molecular wt 233) you would
have to "store" 3.0 eV per "oriented molecule" to achieve 52 kw-hr storage.
16 watt-hrs/lb is tops for lead-acid batteries.
Fred
