Fig. 4. (a) The cyclic performance of CityU-26 at 150 mA g−1, (b) charge–discharge voltage profiles of the first 5 cycles under 150 mA g−1, (c) CV curves at 0.1 mV s−1, (d) cyclic performance at 750 mA g−1 of CityU-26 as a SIB anode.
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