Abstract
Hybrid metal-organic frameworks (MOFs) have many positive features like high porosity, surface area, and conductivity as compared to other materials. They have better potential than pristine ones due to the reason that hybrid materials have good faradic responses due to variable metal oxidation states. These all-favorable factors make hybrid MOFs more potential electrodes for energy storage. In this study, hybrid Ni-Co MOFs presented good specific capacitance of 745 F g-1 (447 C g-1 @ 1 A g-1) in comparison with pristine Co MOFs of 109 F g-1 (65.5 C g-1 @ 1 A g-1). Also, the hybrid MOFs showed superior electrical conductivity of 1353.3 S cm-1 as compared to pristine MOFs. The charge transfer resistance (Rct) of hybrid MOFs was 2.271 Ω pretty much greater than pristine MOF and other closely related studies. The best electrochemical performance was attributed to the synergic effect of Ni, Co, and organic ligand.
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