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Originally Posted by DFINITLYDISTRUBD
ummmmm...yeah...where'd you come up with this lil gem....guess you haven't heard of capacitive storage systems being used in busses and for other automotive uses.
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I have indeed heard of the double-layer type capacitors that are being tested on some buses. The very best of commercially available of these can store around 6W-hours per Kilogram. These capacitors are used only for very short duration power supply, or to supply additional power for acceleration. Even experimental capacitors that can store 30 W-h or more per kilogram are not commercially viable for bulk power storage.
To put things in perspective, the largest of these capacitors I could find were from Maxwell technologies, and weighed 58 kg. See link below. This capacitor could store 146 W-hours of power. This would store about 9 minutes worth of power output from a tiny 1000W generator, and the power from this would power an average home for a few minutes or so.
This post was not about supplying peak power in a bus it was about a generator and storage system. And in that context, capacitors simply cannot store any practical amount of energy.
http://www.maxwell.com/pdf/uc/Maxwell_UC_comparison.pdf
