Quote:
Originally Posted by Delta Tango
Seconds? Those would be quite some currents...
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"It's not the currents... it's the resistance."
-Fermi to Slizard,
Raiders of the Lost Atom
...or something.
It has to do with the ability of super- and ultracapacitors to act as superconductors, moving electrons in both directions with very little resistance. That's why you don't need a massive current to do the job.
Super and ultracapacitors are planned to be used to provide quick bursts of power to the drivetrain, from a charge accumulated through batteries and regenerative braking, and allowing low-discharge batteries to take over at cruising speeds. This same system would aid the charging process as well.