|Jul15-12, 01:08 PM||#1|
How big does a Li-Po battery has to be to absorb a lightning bolt?
What I'm asking is not strike and dissipate, I'm asking really capturing and storing the energy for later use. I mean are we talking more than cubic kilometers?
I know a thunderbolt is just regular, really high power DC but if 220V@10,000W can be bottled in a less-than-half-a m³ UPS, why is it more than just a matter of scaling the system up?
I also know that lightning doesn't strike the same point twice but at a big size, a so called "big battery" can have like thousands of antennas and sit in a place like Canada where it rains a lot.
|Jul15-12, 01:41 PM||#2|
If you forget about all technical problems you can get a crude estimate by dividing amount of energy in the lightning by the battery energy density - something in the range of MJ per liter.
Not that it makes you any closer to really storing the lightning energy.
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