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[1]周　含,王浩楠,罗晓锋,等.碳包覆二氧化锰/石墨烯复合凝胶的制备与性能[J].武汉工程大学学报,2019,(02):131-136.[doi:10. 3969/j. issn. 1674?2869. 2019. 02. 006]
　ZHOU Han,WANG Haonan,LUO Xiaofeng,et al.Preparation and Performances of Carbon-Coated Manganese Oxide/Graphene Composite Hydrogel[J].Journal of Wuhan Institute of Technology,2019,(02):131-136.[doi:10. 3969/j. issn. 1674?2869. 2019. 02. 006]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2019年02期
页码:
131-136
栏目:
材料科学与工程
出版日期:
2019-04-18

文章信息/Info

Title:
Preparation and Performances of Carbon-Coated Manganese Oxide/Graphene Composite Hydrogel
文章编号:
20190206
作者:
周　含; 王浩楠; 罗晓锋; 喻湘华; 李　亮*
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
ZHOU Han; WANG Haonan; LUO Xiaofeng; YU Xianghua; LI Liang*
School of Materials Science and Engineering，Wuhan Institute of Technology， Wuhan 430205， China
关键词:
碳包覆二氧化锰; 石墨烯; 复合凝胶; 电化学性能
Keywords:
carbon coated manganese dioxide;  graphene;  composite hydrogel;  electrochemical property
分类号:
O633
DOI:
10. 3969/j. issn. 1674?2869. 2019. 02. 006
文献标志码:
A
摘要:
为了充分发挥二氧化锰与石墨烯的电化学性能，并实现二者的性能互补，先制备超长二氧化锰（L-MnO2）纳米线，再以多巴胺作为碳源，合成碳包覆超长二氧化锰（C@L-MnO2），再将C@L-MnO2与氧化石墨烯通过水热反应制备碳包覆超长二氧化锰/石墨烯（C@L-MnO2/G）复合凝胶。利用扫描电子显微镜表征L-MnO2与C@L-MnO2复合材料的微观结构，研究了不同含量的C@L-MnO2对于复合凝胶形成的影响。采用恒电流充放电法、交流阻抗法等方法表征了复合凝胶的电化学性能。与碳包覆普通二氧化锰与氧化石墨烯合成的复合凝胶，以及与未经碳包覆的超长二氧化锰与氧化石墨烯合成的复合凝胶相比，C@L-MnO2/G复合凝胶的电化学性能有明显提高。
Abstract:
To enhance the electrochemical properties of manganese dioxide and graphene，we first prepared the carbon coated ultra-long manganese dioxide composite material （C@L-MnO2） using ultra-long manganese dioxide （L-MnO2） as the precursor and dopamine as the carbon source，then the carbon coated ultra-long manganese dioxide/graphene（C@L-MnO2/G） composite hydrogel was synthesized by the hydrothermal reaction of C@L-MnO2 and graphene oxide （GO）. The microstructure of L-MnO2 and C@L-MnO2 was observed by scanning electron microscopy. The effect of C@L-MnO2 on the formation of C@L-MnO2/G composite hydrogel was studied， and the electrochemical performance of the composite hydrogel was measured by galvanostatic charge-discharge and atternating current impedance method. Compared with the hydrogels prepared with C@MnO2/GO and L-MnO2/GO，the electrochemical performance of C@L-MnO2/G composite hydrogel is significantly improved.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-11-23基金项目：武汉工程大学第十届研究生创新基金（CX2018062）作者简介：周　含，硕士研究生。E-mail： 1275325302@qq.com*通讯作者：李　亮，博士，教授。E-mail： msell08@163.com引文格式：周含，王浩楠，罗晓锋，等. 碳包覆二氧化锰/石墨烯复合凝胶的制备与性能［J］. 武汉工程大学学报，2019，41（2）：131-136.
更新日期/Last Update: 2019-04-20