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In situ synthesis of Ag/NiO derived from hetero-metallic MOF for supercapacitor application

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Nanocomposite metal oxides have been attracted great attention in the electrode material of supercapacitor. Herein, a novel Ag/Ni hetero-metallic complex with the hamburger-like structure was prepared, which was then calcined to form Ag/NiO nanocomposite via in-situ preparation. The in-situ formed Ag/NiO exhibits a very high capacitance of 1480 F g −1 at a current density of 0.6 A g−1 in 1 M KOH solution, and the cycling stability was retained about 85% after 3000 cycles with the current of 5 A g−1. The results showed that the in-situ formed Ag/NiO derived from hetero-metallic MOF possess high specific capacitance, which could provide a new effective strategy to improve the conductivity of metal oxides nanocomposite.

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This project was supported by the Public Projects of Zhejiang Province (2017C33008). Honest thanks are also extended to K.C. Wong Magna Fund in Ningbo University.

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Correspondence to Yue-Qing Zheng.

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Zhou, LX., Yang, YY., Zhu, HL. et al. In situ synthesis of Ag/NiO derived from hetero-metallic MOF for supercapacitor application. Chem. Pap. 75, 1795–1807 (2021).

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