[1]胡军成,曾 海,杨圣文,等.石墨烯包覆规整四硫化钒锂离子电池负极材料的制备及性能[J].徐州工程学院学报(自然科学版),2019,(2):14-20.
 HU Juncheng,ZENG Hai,YANG Shengwen,et al.Synthesis and Characterization of Graphene Coated Vanadium Sulfide Anode Materials in Lithium Ion Batteries[J].Journal of Xuzhou Institute of Technology(Natural Sciences Edition),2019,(2):14-20.
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石墨烯包覆规整四硫化钒锂离子电池负极材料的制备及性能()
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《徐州工程学院学报》(自然科学版)[ISSN:1674-358X/CN:32-1789/N]

卷:
期数:
2019年第2期
页码:
14-20
栏目:
教授论坛
出版日期:
2019-05-30

文章信息/Info

Title:
Synthesis and Characterization of Graphene Coated Vanadium Sulfide Anode Materials in Lithium Ion Batteries
文章编号:
1674-358X(2019)02-0014-07
作者:
胡军成曾 海杨圣文黄雪娟王周浩贺兴民周腾飞
(中南民族大学 化学与材料科学学院,湖北 武汉 430074)
Author(s):
HU JunchengZENG HaiYANG ShengwenHUANG Xuejuan WANG ZhouhaoHE XingminZHOU Tengfei
(College of Chemistry and Materials Science,South-Central University for Nationalities,Wuhan 430074,China)
关键词:
硫化钒 氧化石墨烯 复合结构 负极材料 锂离子电池
Keywords:
vanadium sulfide graphene oxide composite structure anode material lithium ion battery
分类号:
O646.54
文献标志码:
A
摘要:
以十六烷基三甲基溴化铵(CTAB)修饰的氧化石墨烯(GO)为载体,采用水热法原位生长石墨烯包覆四硫化钒(VS4/rGO)复合材料.通过X线衍射仪(XRD)、X线光电子能谱仪(XPS)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)等一系列手段对材料晶体结构及形貌进行了表征,并将材料应用于锂离子电池负极材料,进行详细的电化学性能测试.研究结果表明:制备的四硫化钒(VS4)纳米粒子颗粒尺寸规整,石墨烯包覆完整均匀,形成了稳定的三维包覆结构.此结构的复合材料可以使纳米尺寸的VS4粒子和导电性能优异的石墨烯纳米片接触良好,合理释放活性材料充放电过程中的膨胀,并大大缩短Li+扩散距离.基于上述优势,制备的复合材料具有优异的充放电循环性能(约800 mAh·g-1,52 mA·g-1下循环50次),并兼顾了良好的倍率性能.
Abstract:
(College of Chemistry and Materials Science,South-Central University for Nationalities,Wuhan 430074,China)

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备注/Memo

备注/Memo:
收稿日期:2019-04-10 基金项目:国家自然科学基金面上项目(21673300); 国家自然科学基金青年项目(51802357; 21806187) 作者简介:胡军成(1974-),男,教授,博士,博士生导师,湖北省楚天学者特聘教授,主要从事纳米催化材料研究.
更新日期/Last Update: 2019-05-30