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不同还原温度制备RGO/MnO2复合材料对电容增效的影响

王令云 王勇 章海霞 王晓敏

王令云, 王勇, 章海霞, 王晓敏. 不同还原温度制备RGO/MnO2复合材料对电容增效的影响[J]. 新型炭材料, 2015, 30(1): 48-53. doi: 10.1016/S1872-5805(15)60175-5
引用本文: 王令云, 王勇, 章海霞, 王晓敏. 不同还原温度制备RGO/MnO2复合材料对电容增效的影响[J]. 新型炭材料, 2015, 30(1): 48-53. doi: 10.1016/S1872-5805(15)60175-5
WANG Ling-yun, WANG Yong, ZHANG Hai-xia, WANG Xiao-min. Effect of thermal reduction temperature on the electrochemical performance of reduced graphene oxide/MnO2 composites[J]. NEW CARBON MATERIALS, 2015, 30(1): 48-53. doi: 10.1016/S1872-5805(15)60175-5
Citation: WANG Ling-yun, WANG Yong, ZHANG Hai-xia, WANG Xiao-min. Effect of thermal reduction temperature on the electrochemical performance of reduced graphene oxide/MnO2 composites[J]. NEW CARBON MATERIALS, 2015, 30(1): 48-53. doi: 10.1016/S1872-5805(15)60175-5

不同还原温度制备RGO/MnO2复合材料对电容增效的影响

doi: 10.1016/S1872-5805(15)60175-5
基金项目: 国家自然科学基金(51172152, 51242007).
详细信息
    作者简介:

    王令云,硕士研究生.E-mail:gangbnstyle@sina.com

    通讯作者:

    王晓敏,教授.E-mail:wangxiaomin@tyut.edu.cn

  • 中图分类号: TQ424.1

Effect of thermal reduction temperature on the electrochemical performance of reduced graphene oxide/MnO2 composites

Funds: National Natural Science Foundation of China (51172152, 51242007).
  • 摘要: 将氧化石墨烯GO (Graphene oxide)进行热还原得到RGO(Reduced graphene oxide),通过液相法原位合成出RGO/MnO2电极复合材料。采用扫描电镜(SEM)、X射线衍射(XRD)、傅里叶红外(FT-IR)、四探针法和循环伏安测试表征分析复合材料的表面形貌、微观结构、电导率和比电容。结果表明,相较于纯MnO2和GO/MnO2电极材料,RGO/MnO2复合材料比电容得到提高。热还原温度为600℃时比电容最高,为321F·g-1。这可能是GO的加入显著降低了MnO2的团聚程度,增大了MnO2参与赝电容反应的活性面积。热还原得到的RGO有效提高了复合材料的电导率,其残留的含氧官能团提供了一定的赝电容。
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出版历程
  • 收稿日期:  2014-08-21
  • 录用日期:  2015-02-13
  • 修回日期:  2015-01-18
  • 刊出日期:  2015-02-28

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