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Zinc-ion batteries are considered as potential large-scale renewable energy storage devices due to low redox potential, low cost, large capacity, high electric conductivity, nontoxicity and easy processing of zinc metal. However, the development of cathode materials for zinc-ion batteries to date has been mainly limited to tunnel manganese oxides and Prussian blue analogues. Here we have firstly developed...
A hybrid aqueous rechargeable battery with Na3V2(PO4)3 as cathode and metal Zn as anode has been proposed. Na3V2(PO4)3 is co-incorporated by carbon and reduced graphene oxide. The battery delivers a capacity of 92 mAh g−1 at a current density of 50 mA g−1 with a high and flat operating voltage of 1.42 V. It exhibits a capacity of 60 mAh g−1 at a high current density of 2000 mA g−1, indicative of excellent...
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