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现代化工  2022, Vol. 42 Issue (11): 136-140    DOI: 10.16606/j.cnki.issn0253-4320.2022.11.025
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
NiO@Co3O4复合物的制备及其对肼的电催化氧化研究
罗明洪, 王思洁
南昌师范学院化学与食品科学学院, 江西 南昌 330023
Preparation of NiO@Co3O4 composite and its application in electrocatalytic oxidation of hydrazine
LUO Ming-hong, WANG Si-jie
College of Chemistry and Food Science, Nanchang Normal University, Nanchang 330023, China
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摘要 通过水热法合成Ni (OH)2纳米线,与硝酸钴、2-甲基咪唑混合并通过溶液法合成Ni (OH)2@ZIF-67前驱体,将前驱体在氧气氛围下高温煅烧得到NiO@Co3O4催化剂。利用扫描电镜、透射电镜、X射线能谱等分析手段对催化剂的形貌、结构及组成进行分析。通过循环伏安、交流阻抗、计时电流等电化学方法研究了催化剂电催化肼氧化的性能。结果表明,NiO@Co3O4成功制备且NiO纳米线镶嵌在Co3O4骨架中;NiO@Co3O4对肼氧化具有良好的催化活性和催化稳定性,当煅烧温度为300℃时性能最佳。
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罗明洪
王思洁
关键词:  ZIF-67  纳米线  NiO@Co3O4    电催化氧化    
Abstract: Ni(OH)2 nanowires are synthesized through hydrothermal method,and then mixed with cobalt nitrate and 2-methylimidazole to synthesize Ni(OH)2@ZIF-67 precursor through solution method.The precursor is calcined at high temperature in oxygen atmosphere to obtain NiO@Co3O4 catalyst.The morphology,structure and composition of the catalyst are characterized by scanning electron microscopy (SEM),transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX).The electrocatalytic performance of the catalyst for hydrazine oxidation is studied by cyclic voltammetry,AC impedance and chronoamperometry.It is shown that NiO@Co3O4 is successfully prepared,in which NiO nanowires are embedded in Co3O4 framework.NiO@Co3O4 is verified to have good catalytic activity and catalytic stability for hydrazine oxidation,and its performance reaches the best when the calcination temperature is 300℃.
Key words:  ZIF-67    nanowires    NiO@Co3O4    hydrazine    electrocatalytic oxidation
收稿日期:  2022-05-02      修回日期:  2022-08-29           出版日期:  2022-11-20
ZTFLH:  TM912  
基金资助: 国家自然科学基金(21763019);江西省教育厅科技项目(GJJ202614);南昌师范学院学生科研项目(19XSKY47)
通讯作者:  罗明洪(1985-),男,硕士,副教授,主要从事燃料电池阳极催化剂的研究,通讯联系人,minghongluo@foxmail.com。    E-mail:  minghongluo@foxmail.com
引用本文:    
罗明洪, 王思洁. NiO@Co3O4复合物的制备及其对肼的电催化氧化研究[J]. 现代化工, 2022, 42(11): 136-140.
LUO Ming-hong, WANG Si-jie. Preparation of NiO@Co3O4 composite and its application in electrocatalytic oxidation of hydrazine. Modern Chemical Industry, 2022, 42(11): 136-140.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2022.11.025  或          https://www.xdhg.com.cn/CN/Y2022/V42/I11/136
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