more at webpage
http://thefraserdomain.typepad.com/energy/2006/01/eestor_ultracap.html
 
The electric car is the transport of the future. To date energy storage has been the bottleneck.
 
  • It is a parallel plate capacitor with barium titanate as the dielectric.
  • It claims that it can make a battery at half the cost per kilowatt-hour and one-tenth the weight of lead-acid batteries.
  • As of last year selling price would start at $3,200 and fall to $2,100 in high-volume production
  • The product weighs 400 pounds and delivers 52 kilowatt-hours.
  • The batteries fully charge in minutes as opposed to hours.
  • The EEStor technology has been tested up to a million cycles with no material degradation compared to lead acid batteries that optimistically have 500 to 700 recharge cycles,
  • Because it's a solid state battery rather than a chemical battery, such being the case for lithium ion technology, there would be no overheating and thus safety concerns with using it in a vehicle.

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