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. 2015 Aug 5;6:7872. doi: 10.1038/ncomms8872

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(a) Cycling life and the corresponding Coulombic efficiency during 500 cycles. The charge/discharge rate was set at 1 C. (b) Charge/discharge voltage profiles with the 1st, 250th and 500th cycling. (c) Cyclability test at different charge/discharge rates. (d) Delithiation capacity evolution by varying charge/discharge rates ranging from 0.1, 0.5, 1, 2, 5, 10 C and back to 0.1 C.