科研之友
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摘要
Using a coated Li metal as an anode and LiCoO2 as a cathode, an aqueous rechargeable battery is built up, whose average discharge voltage is 3.70 V. This high voltage stability is due to the "crossover'' effect of Li+ ions, which is different from the traditional ways of increasing overpotentials. The total energy density can be 465 W h kg(-1).
