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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; Wen, Lei; 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.
2017-11-25
发表期刊ELSEVIER SCIENCE SA
ISSN0925-8388
卷号725页码:580-586
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.
部门归属[liu, guoqiang ; zhang, jingyi ; zhang, xiaohui ; du, yulong ; zhang, kai ; li, guocheng ; yu, han ; li, chuanwen ; li, zaiyuan ; sun, qiang] northeastern univ, sch met & mat, shenyang 110819, liaoning, peoples r china ; [wen, lei] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
关键词Oxygen Deficiency Spinel Lini0.5mn1.5o4 Doping Elements Synthesis Electrochemical Properties
学科领域Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51574081]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78970
专题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.
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