Facile synthesis of NiCo2S4@Ni3Se2 nanocomposites for supercapacitor and electrocatalytic H2 production

被引：6

作者：

Cui, Kexin ^{[1
]}

Fan, Jincheng ^{[1
]}

Wang, Zhihao ^{[1
]}

Xiao, Guicai ^{[1
]}

Gao, Shanqiang ^{[1
]}

Huang, Ting ^{[1
]}

Tan, Zicong ^{[1
]}

Niu, Chaoqun ^{[1
]}

Luo, Wenbin ^{[1
]}

Chao, Zisheng ^{[1
]}

机构：

[1] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410114, Hunan, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2023年 / 944卷

关键词：

Supercapacitor; UOR process; EOR process; NANOSHEET ARRAYS; CARBON CLOTH; SULFIDE; FOAM; CONSTRUCTION; HYDROXIDE; SUBSTRATE; EFFICIENT; ELECTRODE; STORAGE;

D O I：

10.1016/j.jelechem.2023.117681

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this work, NiCo2S4@Ni3Se2 nanocomposites were fabricated with facile hydrothermal + electrodeposition method on Ni foam and the performances of energy storage and hydrogen evolution reaction were systematically investigated. As the electrode material for supercapacitor, NiCo2S4@Ni3Se2 demonstrated a specific capacitance of 9.82F cm-2 at 3 mA cm-2. The corresponding asymmetric supercapacitor exhibited the specific capacitance of 5.18F cm-2 at 3 mA cm-2 and retained 66.6% with current density increasing to 20 mA cm-2. Moreover, NiCo2S4@Ni3Se2-1.0-5 exhibited an outstanding electrocatalytic activation with low potential of 1.396 V for urea electrooxidation reaction (UOR) and 1.415 V for ethanol oxidation reaction (EOR) at current density of 10 mA cm-2 and the corresponding two-electrode overall water splitting potential reached at 1.566 V in 1 M KOH + 0.1 M urea. Thus, this study demonstrates the promising practical applications of NiCo2S4@Ni3Se2 nanocomposites for energy storage and hydrogen evolution reaction.

引用

页数：10

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