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[1]尹壮,周红伟,丁夏楠,等.一维纳米LiNi1/3Co1/3Mn1/3O2纤维的合成及性能研究[J].有色金属科学与工程,2015,(02):32-36.[doi:10.13264/j.cnki.ysjskx.2015.02.006]
 YIN Zhuang,ZHOU Hongwei,DING Xianan,et al.Synthesis and performance study of one-dimensional LiNi1/3Co1/3Mn1/3O2 nanofiber[J].,2015,(02):32-36.[doi:10.13264/j.cnki.ysjskx.2015.02.006]
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一维纳米LiNi1/3Co1/3Mn1/3O2纤维的合成及性能研究(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2015年02期
页码:
32-36
栏目:
出版日期:
2015-05-01

文章信息/Info

Title:
Synthesis and performance study of one-dimensional LiNi1/3Co1/3Mn1/3O2 nanofiber
作者:
尹壮周红伟丁夏楠晏刚辛秦王新东
北京科技大学冶金与生态工程学院冶金物理化学系,北京 100083
Author(s):
YIN Zhuang ZHOU Hongwei DING Xianan YAN Gang XIN Qin WANG Xindong
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing,Beijing 100083,China
关键词:
锂离子电池正极材料LiNi1/3Co1/3Mn1/3O2静电纺丝纳米纤维
分类号:
TF111.52;TM911
DOI:
10.13264/j.cnki.ysjskx.2015.02.006
文献标志码:
A
摘要:
通过静电纺丝法制备出一维纳米LiNi1/3Co1/3Mn1/3O2纤维, 根据扫描电子显微镜(SEM)、X射线衍射(XRD)、充放电实验,循环伏安法和交流阻抗法对纳米纤维的形貌、晶体结构和电化学性能进行研究.结果表明,纳米纤维的直径在150~300 nm之间,且具有典型的α-NaFeO2层状结构;所制备的LiNi1/3Co1/3Mn1/3O2纳米纤维在0.5 C(85 mA/g)的倍率下循环30次容量保持率达到了94.1 %;在倍率分别为0.1 C、0.2 C、0.5 C、1.0 C、2.0 C 和 0.2 C的充放电测试中,其比容量分别达到了157 mAh/g、144 mAh/g、134 mAh/g、125 mAh/g、115 mAh/g 和141 mAh/g;在CV和EIS测试中,材料表现出优异的可逆性和循环稳定性.由于具有特殊的一维形貌, LiNi1/3Co1/3Mn1/3O2纳米纤维表现出优异的电化学性能.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-10-08基金项目:国家重点基础研究发展计划(973计划)项目(2013CB934002);国家高技术研究发展计划(863计划)项目(2012AA053401)作者简介:尹壮(1989- ),男,硕士研究生,主要从事锂离子电池正极材方面的研究,E-mail:a359429802@qq.com.通信作者:王新东(1961- ),男,教授,博导,主要从事能源与环境电化学方面的研究,E-mial:echem@ustb.edu.cn.
更新日期/Last Update: 2015-03-20