Research Article
Ti3C2 MXene Nanosheets/Vanadium Nitride@Carbon Composite Electrodes for High-Performance Lithium-Ion Batteries
Figure 5
(a) Schematic of Ti3C2/VN@C half-cell, (b) Ti3C2 cyclic voltammetry curves at 1 mV s-1 (50 cycles), (c) Ti3C2/VN@C cyclic voltammetry curves at 1 mV s-1 (50 cycles), (d) Ti3C2 charge-discharge profiles at various current densities, (e) Ti3C2/VN@C charge-discharge profiles at various current densities, (f) rate performance of Ti3C2 and Ti3C2/VN@C anode, (g) long cycling and Coulombic efficiency of Ti3C2 and Ti3C2/VN@C anode at 0.1 A g-1, (h) electrochemical impedance spectroscopy of Ti3C2 and Ti3C2/VN@C anode, and (i) relationship between and in the low frequency for Ti3C2 and Ti3C2/VN@C samples.
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