A breath of fresh air for batteries

Guardian: Is using air the answer to a longer-lasting lithium battery? It’s a surprising question but one familiar to Professor Peter Bruce of the University of St Andrews. A new "air-fuelled" rechargeable lithium battery being developed in his research laboratory promises up to 10 times today’s energy storage capacity. A normal lithium battery in your mobile or laptop consists of a graphite negative electrode, an organic electrolyte and lithium cobalt oxide as the positive electrode. …

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