[LINK] Electric vehicles and generation
Robin Stephens
robinstephens at gmail.com
Sun Jul 23 19:23:41 AEST 2006
On 7/23/06, Geoffrey Ramadan <gramadan at umd.com.au> wrote:
> The key issue for electric vehicles is "power density" of the Battery.
>
> To give you an idea of the challenge for electric vehicles.
>
> Petrol has a "Energy Density" of 13,200 W-hr/kg
>
> Lead-acid is only 22 W-hr/kg
> Nickel-cadmium (Ni-Cd) 44 W-hr/kg
> Silver-Zinc(Ag-Zn) 110 W-hr/kg
> Magnesium hydride with Ni catalyst (Mg-H (Ni)) 2300 W-hr/kg
Wonder what the energy density of these would be.
"Nano World: Carbon nanotube capacitors"
"Carbon nanotubes could help release and hold electrical energy, for
potential use in everything from microchips to hybrid cars, experts
told UPI's Nano World."
http://www.physorg.com/news10525.html
Robin
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