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From Phys.org - latest science and technology news stories:
The cherished portability of many popular electronics, from smart phones to laptops, mostly comes courtesy of lithium-ion batteries. Unfortunately, these dense and lightweight energy storage devices begin to degrade over time, steadily losing total capacity even when sitting idle on the shelf. Scaling up this promising technology to better power electric vehicles or facilitate grid-scale storage demands battery lifetimes longer than a decade and fundamental advances in lithium-ion engineering.
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