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首页> 外文期刊>Electroanalysis >Facile Synthesis and Electrochemical Properties of Co_3S_4-Nitrogen-Doped Graphene Nanocomposites for Supercapacitor Applications
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Facile Synthesis and Electrochemical Properties of Co_3S_4-Nitrogen-Doped Graphene Nanocomposites for Supercapacitor Applications

机译：超级电容器应用Co_3S_4-氮掺杂石墨烯纳米复合材料的简便合成及电化学性能

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摘要

Nanocomposites of Co_3S_4 grown on nitrogendoped graphene (NG) (Co_3S_4-NG) have been prepared at various concentrations of NG. The supercapacitive behaviors of the developed nanocomposites were assessed with cyclic voltammetry and galvanostatic charge discharge techniques. The nanocomposites exhibit excellent capacitive behavior with a high specific capacitance of 2427 F/g at 2 mV/s in Co_3S_4-NG-7 composite (7 indicates the percentage weight ratio of NG). The superior electrochemical performances could be due to synergistic effects between Co_3S_4 and NG, high charge mobility and good flexibility of graphene structures. These results indicate that the developed hybrid materials are promising candidates for high performance energy applications.
机译：已经在各种浓度的NG下制备了在氮掺杂石墨烯（NG）上生长的Co_3S_4纳米复合材料（Co_3S_4-NG）。用循环伏安法和恒电流电荷放电技术评估了开发的纳米复合材料的超电容行为。在Co_3S_4-NG-7复合材料中，纳米复合材料在2 mV / s下具有2427 F / g的高比电容，具有出色的电容性能（7表示NG的重量百分比）。优异的电化学性能可能归因于Co_3S_4与NG之间的协同作用，高电荷迁移率和石墨烯结构的良好柔韧性。这些结果表明，开发的混合材料是高性能能源应用的有希望的候选者。

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