Scanning / 2017 / Article / Fig 3

Research Article

A Novel Open-Framework Cu-Ge-Based Chalcogenide Anode Material for Sodium-Ion Battery

Figure 3

(a) The initial three curves of the CGSe at a scanning rate of 0.2 mV s−1. (b) The charge/discharge curves and (c) cycling performance of the CGSe at a current density of 100 mA g−1. (d) Cycling performance of the CGSe at a current density of 200 mA g−1. (e) The rate capability of CGSe under varying current densities (from 50 to 1000 mA g−1), respectively.
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