Science & Digital

Researchers charge up battery performance

US scientists have found out the capacity and lifespan of lithium batteries can be improved by adjusting the ratio of metals they are made from

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Jonny is rubbish at cricket (a bit like his namesake) but very good on old bikes. A charmingly well-educated young man, he is both the most polite reporter we have had and the most laid back. A top performer who is never easily distracted his languid cool…

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