Metal Organic Framework (MOF) derived NiCo2S4/Ni Foam for High-Performance Supercapacitor Electrode

Abstract

Supercapacitors are a kind of good energy storage device of high electrochemical performance.There are tremendous specific capacitance, massive electrochemical performance, large specific area, outstanding ability of charge and discharge, and lasting cycling life of supercapacitors. Supercapacitors can classify into two types: Pseudocapacitors, and Electrical Double-layer Capacitors. Metal Organic Framework (MOF) is characterized by a large surface area and high porosity, which can improve the ion exchange between the electrode and the electrolyte to increase electrochemical performance. In this experiment, Nickel foam was used as the substrate. Nickel nitrate, Cobalt nitrate and Sodium sulfide were used as the materials. 2-Methylimidazole was used as organic ligand. The electrode of the supercapacitor was made. The composite part is used hydrothermal method in autoclave with high temperature to synthesize the composite material. Finally it will be made into an electrode of a supercapacitor.

• Supercapacitors
• MOF
• Cobalt
• Nickel
• Sulfide.

摘要

超級電容器是一種高電化學性能的儲能裝置，具有相當大的比電容、很高的電化學性能、高比表面積、高充放電能力、以及良好的循環壽命。超級電容器分為兩大類：擬電容電容器、以及電雙層電容器。有機金屬架構是一種具有大的表面積，高孔隙率的特性。高孔洞具有高比表面積，可提高超級電容器電極與電解質的離子交換，增加電化學性能。本實驗以發泡鎳當作基材，以硝酸鎳、硝酸鈷以及硫化鈉當作實驗材料，並且以2-Methylimidazole當作有機金屬架構的有機配體，做成的超級電容器之電極，作為研究主題。合成部分以高溫烘箱，進行水熱反應法來合成，並且製成超級電容器的電極。

• 超級電容器
• 有機金屬架構
• 鈷
• 鎳
• 硫化。

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