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In this work, hierarchical Co 3 O 4 @MnO 2  nanosheet (NS) hybrid nanostructures are grown on carbon cloth by a facile method combining the metal–organic framework (MOF) templating process and electrodeposition. Due to the synergetic effect between Co 3 O 4  triangle NSs and MnO 2  NSs and the unique structure with large surface area and numerous channels for ion diffusion, the Co 3 O 4 @MnO 2  core–shell NS array electrode shows good electrochemical properties with a high specific capacitance of 644.8 F g −1  at a current density of 1 A g −1 , remarkable rate capability (capacitance retention of 64.5% at 20 A g −1 ) and excellent cycle performance (capacitance retention of 91% after 3000 cycles at 5 A g −1 ). The excellent electrochemical performance makes the Co 3 O 4 @MnO 2  core–shell NSs promising candidates in supercapacitors.

MnO2 Nanosheets Decorated MOF-Derived Co3O4 Triangle Nanosheet Arrays for High-Performance Supercapacitors