Chuck Norcutt wrote
<On the 1,000 pound battery front I was reading of a truly exiciting
potential within the last couple of weeks to use capacitor storage with
a new breed of capacitors based on nano technology. Huge surface areas
of nano tubes would make very large, lightweight capacitors possible.
Recharging could be extremely fast unlike a chemical battery.>
I cannot imagine that recharging would ever be as fast as pumping the
same amount of energy as petrol. I think we are talking of several
tens of kilowatt-hours to recharge the batteries - domestically in
the UK, only the circuit for an electric cooker normally comes
anything like the 10kw rating which would correspond to an hour for
every 10 kilowatt hour (ie a 40 amp circuit in the UK at 240
Volts). More likely, for long distance use, such cars might have to
change battery packs like stage coaches changed horses! Urban use is
a different matter.
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