Thursday, July 5, 2012

#7: It Gets an 80 Percent Charge in a Half-hour

Ten years ago, Nissan was selling a lithium-battery-powered car in Japan called the Hypermini. With lessons learned, the Leaf's batteries have twice the energy density (the battery power is rated at over 90 kw, with a capacity of 24 kilowatt-hours) and are less expensive to produce, thanks to the use of manganese electrodes. Using a single-phase 200-volt, 15-amp power supply, the batteries can be fully charged within eight hours using a 220-volt outlet, or about twice as long if you plug into 110. Using a three-phase, quick-charging station, the Leaf can attain an 80 percent charge in just 30 minutes.

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