Joule battery needs work

April 19, 2011 - PRLog -- The battery pack for electric vehicles has much more potential than what is currently available, but requires more development.

"We expect battery performance to double in the next two decades because the lithium-ion power tools battery is only at 15% of its theoretical limit," Optimal Energy CEO Kobus Meiring told News24 on the sidelines of the International Battery Association conference in Cape Town.  power tools batteries canada: http://www.buy-battery.ca/power-tool-battery/

Optimal Energy designed the Joule electric vehicle and Meiring said that the battery pack was the most significant challenge in its development.

"The theoretical limit of lithium-ion batteries is 150 watt hours per kilogram and we already do 240km with the current battery. If we can extend the range to, say 500km, you can use the battery electric vehicle for anything.  We provide camcorder batteries: http://www.buy-battery.ca/camcorder-battery/

Optimal Energy isn't too concerned about being first to the market with an electric vehicle, and Meiring said that such a vehicle was difficult to mass-produce. The Joule is slated for production in 2014 of 50 000 vehicles a year.

"We'd love to get there as soon as possible, but not first. First is dangerous, but we wouldn't mind a close second. Investment is holding us back, and maybe there's a bit of afro-pessimism - that's such nonsense - we're all people.

"There are 400 cells in the Joule digital camera battery and they have to be matched. Quality control is the key and the battery isn't there yet; it’s a big industrial challenge," he said.

He added that international electric vehicle start-ups that produce the Tesla have had significant government support, and that the South African government needed to more fully support development of the Joule.

The department of science and technology initially provided the seed money for the Joule, and the Industrial Development Corporation is a shareholder in the company.

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