Fig. 6. Electrochemical performance of the MoSe2+x-rGO‖K half cell for lithium-ion storage. (a) Discharge/charge curves of MoSe2+x-rGO at different cycles. (b) Rate performance of MoSe2+x-rGO at various current densities. (c) Comparison of the rate performance of MoSe2+x-rGO with that of other Se-based composites for LIBs. (d) Cycling performance of MoSe2+x-rGO at 500 mA g−1.
