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Britain's answer to the Tesla Roadster?

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Steve Conner
Tue Mar 25 2008, 01:16PM Print
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Link2

I first saw this on another motoring website, and the promise of a "250kW home charging station" made me fear the worst excesses of BS. But the car itself looks promising.

In particular, check out the new NanoSafe lithium batteries: Link2 How long before I can buy these off the shelf to make my own EV conversion? :|
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Bjørn
Tue Mar 25 2008, 03:22PM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
They don't seem to claim anything extraordinary about the car, it is no secret that modern batteries have advanced significantly compared to what you find in an average laptop.

Reading between the lines I would say that they have not actually built the car yet so I would not expect to see one any time soon.
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Coronafix
Tue Mar 25 2008, 10:57PM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
Yeh, nice pics, but they're all computer graphics.
Nice to see that the Tesla car has inspired some competition.
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Electroholic
Wed Mar 26 2008, 01:15AM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
kokam makes lipo cells that can be discharged at 20C continuous.
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Conundrum
Wed Mar 26 2008, 08:02AM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4062
Interesting technology. I wonder if it is derived from the same sort of structures used for ceramic superconductors?

The main issue is going to be cost. Big deal if a cell stores 4* as much volumetric energy as a conventional Li-Ion, if it costs 5* as much then it will be uneconomical.

Recharge time is not the issue here, energy transfer is. Last time I checked, the main hold up in EV technology was the ability to dump enough energy safely into the cell(s) in the 1-2 minute typical refill time to be useful.

My ideal hybrid EV design would be one of those high voltage "ultra-supercaps) based on high K dielectric materials (presumably also somewhat leaky over time) slowly charging a bank or two of high capacity Li-NIon cells (one main and one reserve) thereby solving both problems at once :)

/me used to work with solar energy systems, where he was forever replacing conventional NiMH cells due to bad circuit design cooking them over time.
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