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. 2016 Oct 3;11:444. doi: 10.1186/s11671-016-1664-6

Fig. 9.

Fig. 9

EIS curves of sphere MnS before discharging and after 100 cycles of charging/discharging at a current density of 500 mA g−1 in the frequency range from 0.01 Hz to 100 kHz