While there is a lot of truth "stretching" by promotors (notably including some on this forum), it is also true that the rate of development and R&D taking place on batteries has never been higher and what we now consider to be impossible performances will become common place in a relatively short time span. Then prices will reduce dramatically too.
It is indeed an exciting time.
Cheers,
Peter

Yuglamron wrote:

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I do know that one of Australia's Universities  is looking at manufactured Crystals as a storage for electricity. I was told that early results were OK but not that promising, until one undergraduate said to boost the voltage being used to 120 Volts instead of the 12v they had been trialing. Results showed a standard car cranking size  battery would give an electric car a range of a thousand K's. No information about charging time etc.

I heard the results were so good that the Uni is looking for a commercial partner to fund further research.

Info on the Dyson Electric car batteries was also very promising but info there has dried up.

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I had read somewhere, but do not have the info at my fingertips, that Dyson had decided not to carry on with the electric car, but would carry on with batteries for his own vacuum cleaners