[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."



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