A three-dimensional Mn-based MOF as a high-performance supercapacitor electrode?
Dalton Transactions Pub Date: 2023-01-06 DOI: 10.1039/D2DT02857C
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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Journal Name：Dalton Transactions
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CAS no.: 89640-58-4
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