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The rechargeable lithium-ion batteries common in everything from iPods to cell phones to laptops can store twice the energy of similarly sized nickel-metal hydride batteries and up to six times as much as their lead-acid progenitors. But these advances are only a small evolutionary step from the world‚s first battery designed by Alessandro Volta in 1800.

EarthTalk: Carbon Nanotube Battery Technology

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: What is the potential for carbon “nanotubes” in battery technology? I heard them referred to as the biggest battery breakthrough to come along in years. And what else can we expect to see in terms of new battery technology in…

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