Hollow spherical LiNi0.5Mn1.5O4 synthesized by a glucose-assisted hydrothermal method

被引：10
作者：
Miao, Xinyu [1 ,2 ]
Qin, Xue [1 ,2 ,3 ]
Huang, Shengyang [1 ,2 ]
Wei, Tianyu [1 ,2 ]
Lei, Chanrong [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Sci, Dept Chem, Tianjin 300072, Peoples R China
[2] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
[3] Nankai Univ, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
来源：
MATERIALS LETTERS | 2021年 / 289卷
关键词：
LiNi0.5Mn1.5O4; Glucose; Hydrothermal method; Cycle stability; Structural; Microstructure;
D O I：
10.1016/j.matlet.2021.129417
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hollow spherical LiNi0.5Mn1.5O4 (LNMO) material was synthesized by a glucose-assisted hydrothermal method. The glucose was mainly used to control the morphology of LNMO. The initial discharge capacity at 1C was 124.6 mAhg(-1). And even at 10C, 91.8 mAhg(-)(1) could still be obtained. Moreover, its excellent structural stability ensures the integrity of the electrode and capacity retention of 95.1% could be obtained at 1C after 100 cycles. The results show that this unique hollow sphere-like structure can promote the transport of Li+ and improve lithium storage capacity. Therefore, we conclude that the addition of glucose has a great improvement in cycle stability and rate capability. (C) 2021 Elsevier B.V. All rights reserved.
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页数：4
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