On lithium-ion batteries, smartphones, and impermanence

Lithium-ion batteries power everything that's remotely portable. But they literally die a bit each day. What can we do about that?

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Top photo of Motorola battery by Flickr user Uwe Herrman; middle photo and teaser photo of exposed four-cell battery by Phil Gradwell; bottom photo of advanced li-ion technology by Argonne National Laboratory.

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