One nagging issue with electric vehicles is range. While today's lithium-ion (Li-ion) batteries are much better than yesterday's nickel-metal hydride (NiMH) batteries, they still don't offer enough energy storage to take an EV much further than 100 miles without a lengthy recharge. Even if the Li-ion batteries were up to the challenge, there is still the awkward problem of where to pack 1,000 pounds (or more) of bulky storage cells into a vehicle's chassis. IBM thinks it has a solution with a promising new lithium-air (Li-air) battery.
Autoblog, IBM developing air battery with 500-mile range
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