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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: MOF-Derived ZnSe/N-Doped Carbon Composites for Lithium-Ion Batteries with Enhanced Capacity and Cycling Life

Fig. 6

a The first three cyclic CV cures of ZnSe/NC-300. b Galvanostatic charge-discharge curves at the current density of 100 mA g−1. c The cycling performance of pure ZnSe, ZnSe/NC-900, ZnSe/NC-300, and ZnSe/NC-40 at the current density of 100 mA g−1. d The cycling performance of pure ZnSe, ZnSe/NC-900, ZnSe/NC-300, and ZnSe/NC-40 at the current density of 1 A g−1. e Rate performance of pure ZnSe, ZnSe/NC-900, ZnSe/NC-300, and ZnSe/NC-40 at the current densities ranging from 0.1 to 2 A g−1. f EIS spectra of pure ZnSe, ZnSe/NC-900, ZnSe/NC-300, and ZnSe/NC-40 before cycling

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