Metal–Organic Framework‐Derived NP‐Co‐Doped CoZnO _x Lamellar Nanostructures as High‐Performance Supercapacitor Electrodes

Bimetallic metal–organic framework (MOF)‐derived oxides have attracted significant attention due to their tunable composition and structural versatility; however, their performance is often hindered by particle aggregation and limited accessibility of active sites. In this work, a MOF‐derived bimetallic oxide (CoZnO _x ) was synthesized and further modified via heteroatom (N & P) doping to tailor its surface characteristics, named as NP‐co‐doped CoZnO _x (NP‐CoZnO _x ). Notably, NP‐CoZnO _x exhibits highly wrinkled multilayer lamellar structure even much better from singly doped CoZnO _x . This structural and morphological transformation effectively suppresses metal aggregation and enhances electrolyte accessibility and charge‐transport pathways by increasing exposure of redox‐active sites. Electrochemical evaluation in alkaline electrolyte demonstrates high specific capacitance of 602.5 F g ⁻¹ at 1 A g ⁻¹ , high energy density of 53.5 W  h  Kg ⁻¹ , and remarkable capacitance retention of 94.6% as compared to N‐doped CoZnO _x (N‐CoZnO _x ) (208.7 F g ⁻¹ ) and P‐doped CoZnO _x (P‐CoZnO _x ) (308 F g ⁻¹ ). The superior performance is attributed to synergistic effect of bimetallic composition, heteroatom doping, and MOF‐derived hierarchical nanostructuring, which collectively promote fast electron transfer and reversible Faradaic reactions, providing mechanistic insights into structure–property relationship of designed electrodes. This work highlights a viable strategy for achieving increased‐performance of MOF‐derived multicomponent oxides for next‐generation energy storage applications.