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lithium ion
(redirected from Li-ion)

   Also found in: Wikipedia 0.03 sec.
lithium ion
A rechargeable battery technology introduced in 1991 that provides greater charge per pound than nickel metal hydride. In 1993, Toshiba introduced the first notebook in the U.S. with a Li-ion battery. Since then, it has become the most popular battery technology for notebooks, cellphones and other handheld devices. In contrast to nickel-based batteries that require full discharges to keep the battery healthy, lithium ion batteries are better with frequent, shallow discharges before charging again. See lithium polymer, lithium iron phosphate and batteries.

High Performance Lithium Ion
Using a patented technology, Electrovaya's lithium ion batteries deliver 183 watt hours per kilogram (Wh/kg) compared to about 115 for standard lithium ion. These PowerPads (www.electrovaya.com) slip easily under a notebook computer and add up to 16 hours of extra running time when on the road.


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E-One Moli is, in fact, the world's second-largest supplier of Li-ion batteries for power tools and relatively mature battery electric vehicle (BEV) models such as the BMW Mini-E and the Tesla.
Sealed lead-acid batteries can deliver 30 to 50 watt-hours per kilogram, NiCad can deliver 45 to 80, NiMH can deliver 60 to 120, and li-ion can reach as high as 180, according to a site run by Isidor Buchmann, founder and CEO of Cadex Electronics, a maker of battery test equipment and chargers in Vancouver, BC.
For a positive-electrode material, lithium cobalt oxide (LiCoO2) was adopted as in the case of Li-ion secondary batteries for portable devices.
 
 
 
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