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SAN JOSE, Calif. (AP) - Lithium-ion batteries are ideal for mobile electronics because they are lightweight, extremely energy-dense, and have a unique chemistry allowing them to be recharged.
Their foundation is the lithium ion. Lightweight, highly reactive and tiny, the metal can generate high voltage while taking up little space, making it ideal for use in energy-sucking portable electronics. Its chemical makeup also makes it easy to recharge.
But the batteries are also delicate. Manufacturing contamination caused the overheating that prompted the recall of nearly 6 million Sony Corp.-made batteries in the past two weeks from Apple Computer Inc. and Dell Inc. laptops.
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