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The battery tech that could change electric cars

Volkswagen is testing a new type of battery that it says could be four times as powerful as existing technology
The Volkswagen Golf E
Cars such as the Volkswagen Golf E could be much more practical for many users if they had more powerful batteries
Andrew English

By Andrew English

10:41AM GMT 06 Mar 2014

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Volkswagen is bench testing new battery chemistry capable of providing “between three and four times the power” from a given capacity. This would mean up to 80kWh from a similar volume occupied by the current Golf Blue-e-motion’s 26.5kWh battery pack.

That’s according to Dr Heinz-Jakob Neusser, VW board member responsible for development. Speaking at the Geneva motor show, he said that the company has tested lithium-ion batteries with its existing cell supplier (Sanyo) with between 24 and 28kWh and also up to 37kWh, but “an 80kWh unit is under development using our own technology. It would provide between three and four times the battery power in a given package.”

Neusser refuses to name the battery chemistry, but doesn’t deny it is a lithium-air unit, which are capable of delivering huge amounts of power, but are in the very early stages of development.
More telegraph.co.uk

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