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Updated: Aug 13, 2025
Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
A three-dimensional Mn-based MOF as a high-performance supercapacitor electrode
Hongren Rong1, Peng Song1, Gexiang Gao1
1Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center and School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China. liuqi62@163.com.
Abstract:
Developing new high-performance electrode materials for improving the energy density of supercapacitors is an important task. Herein, a new three-dimensional (3D) metal-orgainc framework (MOF) [Mn(BGPD)(H2O)2] (Mn-BGPD; BGPD = N,N'-bis(glycinyl)pyromellitic diimide) was synthesized. When Mn-BGPD is used as the electrode material of supercapacitors, in a three-electrode setup, it shows an outstanding specific capacitance of 832.6 F g-1 at a current density of 1 A g-1. The asymmetrical supercapacitor of Mn-BGPD shows an attractive specific capacitance of 100 F g-1 at 1 A g-1, which corresponds to an excellent energy density of 35.5 W h kg-1. Moreover, better cycling stability with a capacitance retention of 46.7% is also shown. The high electrochemical performance makes Mn-BGPD a very promising electrode material for supercapacitors.
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