carbon nanotube battery/ultracapacitor
This is an interesting, possibly revolutionary, technical development.
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proposed CN Supercapacitors with energy densities of 100X that of Ni-MH and Li-ION batteries on the market today may very well be the next generation of batteries for plug-in cars.
2850maH @ 1.5volt are standard now a days for cameras
so about 4WH / in**3
400WH/in**3 with CN technology….
12X12X12 X 400 WH/ft**3… 700KWH/ft**3 is the best battery tech. known to date..
Impressive. Very succinct calculations. It will be worth upporting these ultracapacitors to the Moon instead of NiMH or Li-ION batts or trying to make NiMH and Li-ION batts on the Moon. Since the CN batts are made by spraying hot acetylene gas on silicon wafers, and making C2H2 is possible on the Moon (see Basic Chem for Moon Miners in Recent Docs) it should be possible to make these on the Moon and it won’t take a lot of carbon either. Free vacuum might aid production???