Effect of Mn, Ni, Co transition metal ratios in lithium rich metal oxide cathodes on lithium ion battery performance

被引：0

作者：

Cetin, Busra ^{[1
]}

Camtakan, Zeyneb ^{[2
]}

Yuca, Neslihan ^{[1
,3
]}

机构：

[1] Enwair Energy Technol Corp, Istanbul, Turkey

[2] Istanbul Tech Univ, Energy Inst, Istanbul, Turkey

[3] Maltepe Univ, Elect Elect Engn Dept, Istanbul, Turkey

来源：

MATERIALS TODAY-PROCEEDINGS | 2020年 / 33卷

关键词：

Li-ion batteries; High voltage cathodes; Li-rich cathodes;

D O I：

10.1016/j.matpr.2020.03.573

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lithium rich layered metal oxide is a high energy density cathode material for new generation lithium ion batteries (LIBs). This material has Li [Li1/3Mn2/3]O-2 and LiMO2 (M: Ni, Co, Mn, Al etc.) structure and exhibit higher irreversible capacity and cycle life than conventional cathode materials. In this study, the stoichiometry of metals in the lithium rich cathode material formulation was investigated by changing Mn, Ni and Co ratios. Li1.2Mn0.49+xCo0.2-2xNi0.2-2xAl0.02O2 (x = 0, 0.01, 0.02, 0.03). formulation was used and the prepared lithium rich cathode active powders were structurally characterized by XRD, ICP and NAA. Li-rich cathodes were tested by electrochemical methods, too. (c) 2019 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the E-MRS Fall Meeting, 2019. All rights reserved.

引用

页码：2490 / 2494

页数：5

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