Rechargeable aqueous zinc-ion batteries (AZIBs) are promising for large-scale energy storage due to their high safety and low cost but the reported cathode materials still suffer from limited specific capacities and poor cycle performance. Herein, the Mn-based metal-organic framework (MOF), MOF-73, is used for the first time to make a novel cathode for AZIBs and its great capacity enhancement mechanism is investigated. Results show that MOF-73 can render a voltage plateau of ~1.45 V and induce manganese ions to co-contribute a high-specific capacity of 815 mA h g-1 (0.84 mA h cm-2). This work sheds light on the fundamentals of the electrochemical zinc energy storage of MOFs while holding great promise for exploring novel MOFs as cathodes for AZIBs.
CITATION STYLE
Gou, W., Chen, H., Xu, Z., Sun, Y., Han, X., Liu, M., & Zhang, Y. (2022). High specific capacity and mechanism of a metal-organic framework based cathode for aqueous zinc-ion batteries. Energy Advances, (12), 1065–1070. https://doi.org/10.1039/d2ya00257d
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