Another breakthrough innovation(?)
Another breakthrough innovation(?)
(OP)
http: //money.cn n.com/2006 /09/15/tec hnology/di sruptors_e estor.biz2 /index.htm
Does this even sound feasible?
Does this even sound feasible?
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Another breakthrough innovation(?)
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Another breakthrough innovation(?)Another breakthrough innovation(?)(OP)
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RE: Another breakthrough innovation(?)
--Scott
http://wertel.eng.pro
RE: Another breakthrough innovation(?)
RE: Another breakthrough innovation(?)
RE: Another breakthrough innovation(?)
Ultracapacitors are not new
“ultracapacitors use electrodes made of activated carbon; the carbon is porous, so it has lots of surface area for the electrons to build up on. But the pores are irregular in size and shape, which reduces efficiency. That's why capacitors have to be big. But the MIT ultracapacitor has electrodes of vertically aligned carbon nanotubes, each one thirty-thousandth the width of a human hair. The regular shape and alignment of the nanotubes greatly increases the surface area, making the ultracapacitor very efficient at storing electrons.”
For hybrid car fuel cells
See also
http://ww
RE: Another breakthrough innovation(?)
RE: Another breakthrough innovation(?)
At current gas prices, $60 at $2.50/gal buys 24 gal, which contains 2400 MJ assuming that a gal contains 100MJ/gal.
Assuming the engines in each case are comparable in efficiency, that's a factor of 10 error. If you correct the required energy, you'd pay $87 to travel 500 mi, not $9, and more than the $60 for the gas.
52kWh=187MJ, which is way less than what 24 gals of gas contains. Assuming 336 lb per bank, you'd need 4300 lb
to drive 500mi.
The real advance that Eestor seems to have come up with that is not being touted is that the capacitor can be charged up to 3500V.
TTFN
RE: Another breakthrough innovation(?)
The EEStor assumptions about charging cost seems to include an assumption that charging stations will charge ultracapacitor banks at off-peak times and transfer the charge to vehicles when needed. Their example assumes 100% efficiency for capacitor discharge, controller and motor(s). Something above 90% might be achievable.
The technology exists to produce electronic controls for efficiently charging the capacitors to 3500 volts and operating motors by drawing down the charge from 3500 volts to 700 volts or lower. How such a system can be safely operated by consumers and service station personnel in another question.
RE: Another breakthrough innovation(?)
I think this is a very efficient method...
for transferring money from one place to another
Cheers
Greg Locock
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RE: Another breakthrough innovation(?)
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RE: Another breakthrough innovation(?)
http://www