Study on oxygen deficiency in spinel LiNi0.5Mn1.5O4 and its Fe and Cr-doped compounds

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	Study on oxygen deficiency in spinel LiNi0.5Mn1.5O4 and its Fe and Cr-doped compounds
	Liu, Guoqiang; Zhang, Jingyi; Zhang, Xiaohui; Du, Yulong; Zhang, Kai; Li, Guocheng; Yu, Han; Li, Chuanwen; Li, Zaiyuan; Sun, Qiang
刊名	ELSEVIER SCIENCE SA
	2017-11-25
卷号	725 页码:580-586
关键词	Oxygen Deficiency Spinel Lini0.5mn1.5o4 Doping Elements Synthesis Electrochemical Properties
ISSN号	0925-8388
英文摘要	The oxygen deficiency is an important factor to affect the electrochemical properties of spinel LiNi0.5Mn1.5O4. In this study, we investigated how oxygen deficiency in spinel LiNi0.5Mn1.5O4 was affected by calcination temperature and oxygen partial pressure. The oxygen deficiency as a function of calcination temperatures has been modeled. Doping elements have influence on oxygen deficiency. The oxygen dissipation of Cr-doped compounds LiNi0.45Cr0.1Mn1.45O4 at high temperature is less than pristine LiNi0.5Mn1.5O4. Under the same calcination and cooling condition, there more oxygen deficiency remained in Fe and Cr-doped compounds than in pristine LiMn1.5Ni0.5O4. The coulomb efficiencies of LiNi0.45Cr0.1Mn1.45O4 in the first charge and discharge cycle reached a high value of 89.1%. (C) 2017 Elsevier B.V. All rights reserved.; The oxygen deficiency is an important factor to affect the electrochemical properties of spinel LiNi0.5Mn1.5O4. In this study, we investigated how oxygen deficiency in spinel LiNi0.5Mn1.5O4 was affected by calcination temperature and oxygen partial pressure. The oxygen deficiency as a function of calcination temperatures has been modeled. Doping elements have influence on oxygen deficiency. The oxygen dissipation of Cr-doped compounds LiNi0.45Cr0.1Mn1.45O4 at high temperature is less than pristine LiNi0.5Mn1.5O4. Under the same calcination and cooling condition, there more oxygen deficiency remained in Fe and Cr-doped compounds than in pristine LiMn1.5Ni0.5O4. The coulomb efficiencies of LiNi0.45Cr0.1Mn1.45O4 in the first charge and discharge cycle reached a high value of 89.1%. (C) 2017 Elsevier B.V. All rights reserved.
学科主题	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
资助机构	National Natural Science Foundation of China [51574081]
公开日期	2018-01-10
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/78970]
专题	金属研究所_中国科学院金属研究所
通讯作者	Liu, GQ (reprint author), Northeastern Univ, Sch Met & Mat, Shenyang 110819, Liaoning, Peoples R China.; Wen, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式 GB/T 7714	Liu, Guoqiang,Zhang, Jingyi,Zhang, Xiaohui,et al. Study on oxygen deficiency in spinel LiNi0.5Mn1.5O4 and its Fe and Cr-doped compounds[J]. ELSEVIER SCIENCE SA,2017,725:580-586.
APA	Liu, Guoqiang.,Zhang, Jingyi.,Zhang, Xiaohui.,Du, Yulong.,Zhang, Kai.,...&Wen, L .(2017).Study on oxygen deficiency in spinel LiNi0.5Mn1.5O4 and its Fe and Cr-doped compounds.ELSEVIER SCIENCE SA,725,580-586.
MLA	Liu, Guoqiang,et al."Study on oxygen deficiency in spinel LiNi0.5Mn1.5O4 and its Fe and Cr-doped compounds".ELSEVIER SCIENCE SA 725(2017):580-586.