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Whatsamadoovie

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25/02/17

08:24

Post #: 22897919
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Originally posted by downsyde ↑

This could be an expensive lesson for FGR, yet it will be interesting to see how their material performs in this application. SC's don't necessarily need to compete with batteries, not when they should be used alongside a battery in electric vehicles - being powered under braking and being used for acceleration, where most of the discharge happens for a battery and for which the supercap is a superior option. This could have a tremendous impact on the weight of a vehicle and more importantly the range it can travel. What isn't clear to me is what sort of material have they used for the current specs of the 'BEST' battery? The energy is stored at the surface in the supercap, so will using graphene (single-layer) or perhaps 2 or 3 layered micrographite help increase density, due to the massive surface area improvement? I'm only guessing, but this would be the only reason I'd take a punt on the improvements being attained. If it weren't for the fact that FGR are preparing to drop quite a bit of cash on this I wouldn't be too concerned, however as mentioned previously by everyone's new favourite person, FGR have quite the cash burn going already. Guess we'll find out, then again, it's only one avenue perhaps we'll have to stump up another round of cash for the next idea - only need to crack one good one for this to make a motza IMO, but probably quite a gamble

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Hey downsyde,

My understanding of caps is that the greater the surface area of the storage material the greater the charge stored..

So, laser printing graphene ridges on a sheet of graphene means each ridge adds to surface area. The same as building a 90 degree wall off a flat surface would add flat surface area to a space..

They used to do the same with electrolytic capacitors but instead of adding material to the substrate, they would laser cut grooves into it to add density.. but nothing is as thin as graphene.

Hope this helps.

Gltah

FGR Price at posting: 11.0¢ Sentiment: Hold Disclosure: Held
3 Upvote

0 Great analysis

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