In rec.aviation.piloting Bill Daniels bildan@comcast-dot-net wrote:
True for chemical batteries but EEStor devices store energy as an
electrostatic charge. If their press is to be believed, they have 10 - 100x
the capacity per pound as lithium ion. Even with lithium chemistry, silicon
nanowire anodes from Stanford promise 10x the charge.

EEStor's claim's are a little too good to be believed by anyone that
knows anything about capacitors, and that's being charitable.

Time will tell if their product matches their press releases.

One problem with using capacitors for energy storage for stuff like
motors is the discharge curve which will require some rather heavy
voltage conversion trickery, though the problem isn't that big a deal
for a ground vehicle.

--
Jim Pennino

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