K-doped layered LiNi_0.5Co_0.2Mn_0.3O₂ cathode material: Towards the superior rate capability and cycling performance

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• 作者：Zuguang Yang^a ; ^c ; Xiaodong Guo^a ; ^d ; ^{xiaodong2009@scu.edu.cn} ; Wei Xiang^b ; ^{xw5447@163.com} ; Weibo Hua^a ; Jun Zhang^c ; Fengrong He^c ; Kai Wang^a ; Yao Xiao^a ; Benhe Zhong^a
• 关键词：Lithium-ion battery ; Cathode ; LiNi0.5Co0.2Mn0.3O2 ; Doping
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：30 March 2017
• 年：2017
• 卷：699
• 期：Complete
• 页码：358-365
• 全文大小：2438 K
• 卷排序：699

文摘

Electrochemical performance of LiNi0.5Co0.2Mn0.3O2 is improved by K doping. K-doping can enhance the structure stability of the LiNi0.5Co0.2Mn0.3O2. K-doping can enlarge interlayer space of O-Li-O and decrease cation mixing.