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Orderly Arranged Bead-Chain Cu2O-Mn3O4-NiO Ternary Nanocomposites with High Specific Capacitance for Supercapacitors
Nano ( IF 1.2 ) Pub Date : 2020-05-08 , DOI: 10.1142/s1793292020500824
Lei Su 1, 2 , Chunyong Zhang 1, 2 , Li Shu 2, 3 , Linna Huang 1, 2 , Jianning Li 1, 2 , Hengfei Qin 2, 3
Affiliation  

A series of metal oxide nanocomposites have been successfully synthesized by electrospinning technology. The obtained nanocomposites (Cu2O-Mn3O4-NiO) are an ordered arrangement of metal oxide particles (10[Formula: see text]nm), with the shape like bead chain. The acquired Cu2O-Mn3O4-NiO ternary nanocomposites were used as electrode materials to manufacture a supercapacitor. Electrochemical tests showed that the synthesis of nanocomposites made of electrode materials had good electrochemical performance in 6[Formula: see text]mol/L KOH electrolyte. The results showed that at a scan rate of 5[Formula: see text]mV/s, the specific capacitance of Cu2O-Mn3O4-NiO had a larger specific capacitance of 1306[Formula: see text]F/g than NiO, Cu2O-NiO and Mn3O4-NiO. The excellent electrochemical performance showed that the electrostatic spinning method is an effective technology for developing nanocomposites for energy storage devices.

中文翻译:

用于超级电容器的高比电容有序珠链Cu2O-Mn3O4-NiO三元纳米复合材料

通过静电纺丝技术成功合成了一系列金属氧化物纳米复合材料。获得的纳米复合材料(Cu2氧锰34-NiO)是有序排列的金属氧化物颗粒(10[式:见正文]nm),呈珠链状。获得的铜2氧锰34-NiO三元纳米复合材料用作电极材料制造超级电容器。电化学测试表明,用电极材料合成的纳米复合材料在6[公式:见正文]mol/L KOH电解液中具有良好的电化学性能。结果表明,在 5[公式:见正文]mV/s 的扫描速率下,Cu 的比电容2氧锰34-NiO比NiO、Cu具有更大的比电容1306[公式:见正文]F/g2O-NiO和Mn34-NiO。优异的电化学性能表明静电纺丝法是开发用于储能装置的纳米复合材料的有效技术。
更新日期:2020-05-08
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