Cathode deals with polysulphde shuttle in Li-S battery

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Lithium sulphur cells can retain >95% Coulomb efficiency for 80 charge cycles at >300Wh/kg, according to the Hong Kong University of Science and Technology, which is working on a novel cathode design. The electrochemistry of lithium paired with sulphur (a low-cost material) make the combination desirable for lightweight high capacity batteries, but the elements, so far, …

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