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Energetic Zinc Ion Chemistry: The Rechargeable Zinc Ion Battery

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  • We would like to thank the Natural Science Foundation of China (grant no. 51102139 and no. 50972065) and the China Postdoctoral Science Foundation (no. 20100470180) for financial support. We also appreciate the financial support from the Guangdong Province Innovation R&D Team Plan.

Abstract

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Think zinc: An ideal aqueous energy storage device, referred to as a zinc ion battery, is presented. The device is characterized by high capacity, fast charge/discharge capability, safety, and environmental friendliness. It is composed of an α-MnO2 cathode, a zinc anode, and a mild ZnSO4 or Zn(NO3)2 aqueous electrolyte (see scheme). The battery chemistry is based on the migration of Zn2+ ions between cathode and anode.

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