New EV Battery Has Seven Times Higher Energy Density

By Santosh

Present day electric cars have one major problem - limited range. Even popular EVs like the Nissan LEAF can travel only around 120 kilometres on a full charge. But a revolution in lithium ion battery technology may be around the corner.

Also Read: All-new Volvo XC90: Two World-Firsts In Safety Technologies

A research team at the University of Tokyo Research School of Engineering has revealed a new lithium ion battery pack that is claimed to be capable of storing 7 times more energy than a conventional battery setup.

new ev battery seven times higher energy density

The new batteries are capable of storing 2,570 watt-hours per kilogram, a figure that may well swing favour to electric cars over the rival future Fuel Cell Vehicle (FCV) technologies.

The extra energy is obtained by adding cobalt to the lithium oxide crystal structure of the positive electrode, which promotes the creation of oxides and peroxides during the charge or discharge cycle. This new battery technology has much faster recharging times as well.

This technology is still in the experimental stage, so don't expect to see cars using the special batteries just yet. However, the lights on Electric Avenue have begun to glow a lot brighter...

Article Published On: Wednesday, July 30, 2014, 11:15 [IST]
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