丝网状镍钴硫金属化合物电化学性能研究 |
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引用本文: | 刘沛静.丝网状镍钴硫金属化合物电化学性能研究[J].材料开发与应用,2017(6):74-79. |
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作者姓名: | 刘沛静 |
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作者单位: | 陕西国防工业职业技术学院化学工程学院,陕西西安,710300 |
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摘 要: | 通过简单两步水热的方法在泡沫镍基底上成功制备出丝网状三维网络结构的Ni Co2S4,研究了材料的电化学性能,结果表明,Ni Co2S4@泡沫镍电极材料具有高的面积比电容,在电流密度为10 m A/cm~2时,面积比电容可达到2.87 F/cm~2;电流密度从10 m A/cm~2增大到50 m A/cm~2,电容保持率为60.9%;在负载量为6.21 mg/cm~2时,在30 m A/cm~2的高电流密度下充放电1 000次,电容保持率仍为67.3%。
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关 键 词: | NiCo2S4 超级电容器 储能 电化学性能 |
Study on Electrochemical Performance of Wire Mesh Sulfur Nickel and Cobalt Metal Compounds |
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Abstract: | Wire mesh three-dimensional network structure of NiCo2 S4 on nickel foam substrate was prepared by two steps hydrothermal method,and its electrochemical performances were investigated.Results showed that NiCo2S4@the nickel foam had high area of specific capacitance,when the current density was 10 mA/cm2,the area of specific capacitance was up to 2.87 F/cm2;when the current density increased from 10 mA/cm2 to 50 mA/cm2,capacitance retention still remained at 60.9%,showing excellent ratio of performance,when the load was 6.21 mg/cm2 and the material was charged and discharged for 1 000 cycles at 30 mA/cm2,the capacitance retention was 67.3%. |
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Keywords: | wire mesh NiCo2S4 super capacitor energy storage electrochemical performance |
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