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电化学(中英文) ›› 2020, Vol. 26 ›› Issue (1): 96-102.  doi: 10.13208/j.electrochem.180921

• 研究论文 • 上一篇    下一篇

泡沫镍载 NiCO2O4电极的制备及其催化 H2O2电氧化的性能

陈维伟, 张飞凡, 杜佳亮, 王毅, 赵春林, 朱凯, 曹殿学, 王贵领*()   

  1. 哈尔滨工程大学材料科学与化学工程学院,黑龙江 哈尔滨 150001
  • 收稿日期:2018-09-21 修回日期:2019-02-19 出版日期:2020-02-28 发布日期:2019-02-19
  • 通讯作者: 王贵领 E-mail:wangguiling@hrbeu.edu.cn
  • 基金资助:
    国家大学生创新训练项目;国家自然科学基金项目(51572052)

Preparation and Electrocatalytic Performance of NiCo2O4/Ni Foam for Hydrogen Peroxide Electrooxidation

CHEN Wei-wei, ZHANG Fei-fan, DU Jia-liang, WANG Yi, ZHAO Chun-lin, ZHU Kai, CAO Dian-xue, WANG Gui-ling*()   

  1. College of Material Science and Chemical Engineering, Harbin Engineering University,Harbin 150001, Heilongjiang, China
  • Received:2018-09-21 Revised:2019-02-19 Published:2020-02-28 Online:2019-02-19
  • Contact: WANG Gui-ling E-mail:wangguiling@hrbeu.edu.cn

摘要:

本文以水热法结合热处理法原位制备了泡沫镍载 NiCo2O4纳米线电极,使用XRD、SEM和TEM对合成的 NiCo2O4纳米线进行了表征,NiCo2O4纳米线直径约80 nm,长度约 3 ~ 5 μm. 使用循环伏安和计时电流法测试了泡沫镍载NiCo2O4纳米线催化H2O2的电氧化性能,结果表明泡沫镍载NiCo2O4纳米线对H2O2电氧化有着优良的催化活性、稳定性和传质性能,在0.3 V电位下0.4 mol·L -1 H2O2和2 mol·L -1 NaOH溶液中氧化电流可达380 mA·cm -2.

关键词: H2O2电氧化, 水热法, 泡沫镍, NiCo2O4纳米线

Abstract:

The electrodes of Ni foam supported NiCo2O4 nanowires were prepared by hydrothermal method, followed by a thermal treatment in air, and were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It was found that the NiCo2O4 nanowires had a diameter of about 50 nm with a length up to 3 ~ 5 μm. The catalytic performances of the Ni foam supported NiCo2O4 nanowires for H2O2 electrooxidation were studied by cyclic voltammetry and chronoamperometry. The results show that the Ni foam supported NiCo2O4 nanowires electrode exhibited superior activity, stability, and mass transport property for H2O2 electrooxidation. A current density of 380 mA·cm -2 was achieved at 0.3 V in 0.4 mol·L -1 H2O2 and 2 mol·L -1 NaOH at room temperature.

Key words: hydrogen peroxide electrooxidation, hydrothermal method, Ni foam, NiCo2O4 nanowires

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