Investigation on the effect of Na doping on structure and Li-ion kinetics of layered LiNi0.6Co0.2Mn0.2O2 cathode material
Huang, ZJ (Huang, Zhenjun); Wang, ZX (Wang, Zhixing); Jing, Q (Jing, Qun); Guo, HJ (Guo, Huajun); Li, XH (Li, Xinhai); Yang, ZH (Yang, Zhihua)
2016
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号192期号:2页码:120-126
摘要

Introducing the Na ion into the Ni-rich LiNi0.6Co0.2Mn0.2O2, Li1-xNaxNi0.6Co0.2Mn0.2O2 (x = 0, 0.01, 0.03) has been synthesized by high-temperature solid method. The effect of Na dopants on the structure, morphology, electrochemical properties, Li ion diffusion coefficient and the activation barriers has been extensively studied. Rietveld refinement results reveal that Na doping suppress cation mixing degree effectively and enlarge Li slab space. Electrochemical testing shows that Na-doped electrodes exhibit higher initial coulombic efficiency, good capacity retention and superior rate capability. Using experiments combined with first-principles calculations, we confirmed that the Na doping has enlarged Li slab space and then made the activation barrier of Li migration be reduced resulting higher Li+ diffusion coefficients.

关键词Lithium-ion Batteries Na-doping Rate Capabilty Li-ion Diffusion Coefficient First-principle Calculation
DOI10.1016/j.electacta.2016.01.139
收录类别SCI
WOS记录号WOS:000371143600015
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4681
专题中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
通讯作者Yang, ZH (Yang, Zhihua)
作者单位1.Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
2.Shihezi Univ, Coll Sci, Dept Phys, Shihezi 832000, Peoples R China
3.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
4.Xinjiang Key Lab Elect Informat Mat & Devices, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
5.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
推荐引用方式
GB/T 7714
Huang, ZJ ,Wang, ZX ,Jing, Q ,et al. Investigation on the effect of Na doping on structure and Li-ion kinetics of layered LiNi0.6Co0.2Mn0.2O2 cathode material[J]. ELECTROCHIMICA ACTA,2016,192(2):120-126.
APA Huang, ZJ ,Wang, ZX ,Jing, Q ,Guo, HJ ,Li, XH ,&Yang, ZH .(2016).Investigation on the effect of Na doping on structure and Li-ion kinetics of layered LiNi0.6Co0.2Mn0.2O2 cathode material.ELECTROCHIMICA ACTA,192(2),120-126.
MLA Huang, ZJ ,et al."Investigation on the effect of Na doping on structure and Li-ion kinetics of layered LiNi0.6Co0.2Mn0.2O2 cathode material".ELECTROCHIMICA ACTA 192.2(2016):120-126.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Investigation on the(2547KB)期刊论文作者接受稿开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Huang, ZJ (Huang, Zhenjun)]的文章
[Wang, ZX (Wang, Zhixing)]的文章
[Jing, Q (Jing, Qun)]的文章
百度学术
百度学术中相似的文章
[Huang, ZJ (Huang, Zhenjun)]的文章
[Wang, ZX (Wang, Zhixing)]的文章
[Jing, Q (Jing, Qun)]的文章
必应学术
必应学术中相似的文章
[Huang, ZJ (Huang, Zhenjun)]的文章
[Wang, ZX (Wang, Zhixing)]的文章
[Jing, Q (Jing, Qun)]的文章
相关权益政策
暂无数据
收藏/分享
文件名: Investigation on the effect of Na doping on structure and Li-ion kinetics of layered LiNi0.6Co0.2Mn0.2O2 cathode material.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。