10-01-2018, 02:28 AM
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#3051 (permalink)
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Banned
Join Date: Feb 2018
Location: Brazil
Posts: 1,476
Thanks: 14
Thanked 363 Times in 327 Posts
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New supercapacitors, cheap, high energy density, safe about fire :
https://www.wired.co.uk/article/supe...ic-car-battery
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