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化工新型材料  2019, Vol. 47 Issue (9): 224-228    
  开发与应用 本期目录 | 过刊浏览 | 高级检索 |
石墨烯/氧化镍复合材料的微波法制备及电化学性能研究
陈思, 毕玉红, 罗居杰, 张新宇*
太原理工大学材料科学与工程学院,太原030024
Preparation of MWGO/NiO composite by microwave and its electrochemical property
Chen Si, Bi Yuhong, Luo Jujie, Zhang Xinyu
College of Material Science and Engineering,Taiyuan University of Technology,Taiyuan 030024
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摘要 采用微波法快速制备了石墨烯/氧化镍(MWGO/NiO)复合材料,利用扫描电子显微镜、X射线衍射仪和傅里叶变换红外光谱仪对其结构和形貌进行了表征。通过循环伏安法和恒电流充放电测试了MWGO/NiO复合材料的电化学性能,考察了微波功率、微波时间、投料比对复合材料性能的影响。结果表明:氧化石墨烯与硝酸镍质量比为5∶4、微波功率为1000W、微波时间为2min时,制备的复合材料电化学性能最好;在充放电电流密度为1A/g及KOH电解液浓度为6mol/L时,复合材料的最大比电容为360.5F/g。
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陈思
毕玉红
罗居杰
张新宇
关键词:  微波  石墨烯  超级电容器  氧化镍    
Abstract: The graphene/nickel oxide composites were prepared by microwave method.The structure and morphology of MWGO/NiO were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD),fourier transform infrared spectroscopy(FT-IR).The electrochemical properties of MWGO/NiO were measured by cyclic voltammetry and constant current charge-discharge.The effects of microwave power,microwave reaction time and feed ratio on the properties of the composites were investigated.The results shown that the electrochemical performance was the best when the mass ratio of GO to Ni(NO3)2·6H2O was 5∶4,microwave power was 1000W and microwave time was 2min.The maximum specific capacitance was 360.5F/g when the current density of charge and discharge was 1A/g and 6mol/L KOH electrolyte.
Key words:  microwave    graphene    supercapacitor    NiO
收稿日期:  2018-04-18      修回日期:  2019-05-18                发布日期:  2019-10-10      期的出版日期:  2019-09-20
基金资助: 国家自然科学基金(21306124)
通讯作者:  张新宇(1974-),男,教授,博士生导师,主要从事导电高分子、新能源材料研究工作。   
作者简介:  陈思(1994-),男,硕士,主要从事超级电容器研究工作。
引用本文:    
陈思, 毕玉红, 罗居杰, 张新宇. 石墨烯/氧化镍复合材料的微波法制备及电化学性能研究[J]. 化工新型材料, 2019, 47(9): 224-228.
Chen Si, Bi Yuhong, Luo Jujie, Zhang Xinyu. Preparation of MWGO/NiO composite by microwave and its electrochemical property. New Chemical Materials, 2019, 47(9): 224-228.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2019/V47/I9/224
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