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. 2017 Feb 13;8:14283. doi: 10.1038/ncomms14283

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Copyright © 2017, The Author(s)

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(a) Galvanostatic charge and discharge curves of an Al/NG cell at a current density of 66 mA g⁻¹. (b) Capacity retention of an Al/NG cell cycled at various current densities. (c,d) Long-term stability test of an Al/NG cell at 660 and 198 mA g⁻¹, respectively. All capacity of Al/NG battery was recorded between charging and discharging voltages of 0.5 and 2.45 V. Graphite loading mass of all batteries ∼4 mg cm⁻².