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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

899
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
899

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Related Experiment Video

Updated: Aug 13, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
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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.

Dalton Transactions (Cambridge, England : 2003)
|January 23, 2023
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Summary

A novel metal-organic framework (MOF), Mn-BGPD, was synthesized for supercapacitors. This promising electrode material demonstrates high specific capacitance and energy density, advancing energy storage solutions.

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Improving energy density in supercapacitors is crucial for advanced energy storage.
  • Development of high-performance electrode materials is key to supercapacitor advancement.

Purpose of the Study:

  • To synthesize a new three-dimensional (3D) metal-organic framework (MOF) for supercapacitor applications.
  • To evaluate the electrochemical performance of the synthesized MOF as an electrode material.

Main Methods:

  • Synthesis of a novel 3D MOF: [Mn(BGPD)(H2O)2] (Mn-BGPD).
  • Electrochemical characterization using a three-electrode setup to determine specific capacitance.
  • Fabrication and testing of an asymmetrical supercapacitor device.

Main Results:

  • Mn-BGPD exhibited a specific capacitance of 832.6 F g-1 at 1 A g-1 in a three-electrode setup.
  • The asymmetrical supercapacitor achieved a specific capacitance of 100 F g-1 at 1 A g-1.
  • An excellent energy density of 35.5 Wh kg-1 was recorded, with 46.7% capacitance retention after cycling.

Conclusions:

  • The synthesized Mn-BGPD is a highly promising electrode material for supercapacitors.
  • The material demonstrates superior electrochemical performance, including high capacitance and energy density.
  • Further research into Mn-BGPD could lead to significant advancements in energy storage technology.