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Tuesday, January 20, 2009
Kankyo Electric Car - Capacitors
Image: © 2009 theirEarth

Kankyo Electric Car Powered By Capacitors

(Abu Dhabi, UAE) - At this weeks ground breaking World Future Energy Summit being held in Abu Dhabi (January 19-21), one of the significant future energy concepts on display for transportation is the Kankyo battery powered electric car prototype. The company Kankyo Batteries of Tokyo, Japan, has created a battery that uses a series of capacitors to store the electric charge and then through a digitally controlled discharge process, electricity is conveyed to the electric motor to propel the vehicle. 

The Kankyo electric car battery is made up of 180 capacitors.The Kankyo battery uses a patented nano carbon material that has been developed by Kankyo Batteries. The company claims that their new capacitor car has a range of 200 km (125 miles) when driven at a fixed 30 km/h (18.75 mph). The charging time to reach a full charge is 30 minutes, and the maximum speed of Kankyo's first prototype is 60 km/h (37.5 mph).

Kankyo, which in Japanese means environmentally friendly, has built their first prototype car as a single-seater, and for a first generation prototype car it looks remarkably good. Kankyo manufactures the capacitors for the car and these are a k-EDLC (Electric Double Layer Capacitor) type. The Kankyo electric car's outer body panels are made of carbon fiber, and the front and rear brakes are disc type.

What makes Kankyo Batteries new capacitor battery interesting is that it is a different approach to storing a charge over a chemical battery like lithium-ion  or nickel metal hydride types. The other aspect is that the charge time is very short and that the capacitor battery lends itself to quick top up charges very well. It is still early days for this technology,but it looks like this technology for storage and its refinement is bound to progress further. 

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