Boron nitride nanotubes move lithium ions 31 times faster than predicted while filtering out other ions, enabling researchers to power a watch and calculator using salt solutions—with potential applications in lithium battery recovery.

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Boron nitride nanotubes move lithium ions 31x faster than predicted, with high ion selectivity. Researchers used salt solutions to power a watch and calculator, with future applications including lithium recovery from used batteries.

Scientists develop high-speed ion transport membranes for clean energy applications

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