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学科主题: Electrochemistry
题名: Effect of lithium boron oxide glass coating on the electrochemical performance of LiNi1/3Co1/3Mn1/3O2
作者: Dou Junqing; Kang Xueya; Wumaier Tuerdi; Yu Hongwei; Hua Ning; Han Ying; Xu Guoqing
通讯作者: Kang, XY
关键词: Lithium boron oxide glass ; Coating ; Cathode material ; Lithium-ion batteries
刊名: Journal of Solid State Electrochemistry
发表日期: 2012
DOI: 10.1007/s10008-011-1550-1
卷: 16, 期:4, 页:1481-1486
收录类别: SCI
摘要: The effect of the lithium boron oxide glass coating on the electrochemical performance of LiNi1/3Co1/3Mn1/3O2 has been investigated via solution method. The morphology, structure, and electrochemical properties of the bare and coated LiNi1/3Co 1/3Mn1/3O2 are characterized by scanning electron microscopy, X-ray diffraction, electrochemical impedance spectroscopy, and charge-discharge tests. The results showed that the lattice structure of LiNi1/3Co1/3Mn1/3O2 is not changed after coating. The coating sample shows good high-rate discharge performance (148 mAh g-1 at 5.0 C rate) and cycling stability even at high temperature (with the capacities retention about 99% and 87% at room and elevated temperature after 50 cycles). The Li+ diffusion coefficient is also largely improved, while the charge transfer resistance, side reactions within cell, and the erosion of Hydrofluoric Acid all reduced. Consequently, the good electrochemical performances are obtained.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1393
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Xinjiang, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China;Xinjiang Key Labs Elect Informat Mat & Devices, Urumqi 830011, Xinjiang, Peoples R China

Recommended Citation:
Dou Junqing,Kang Xueya,Wumaier Tuerdi,et al. Effect of lithium boron oxide glass coating on the electrochemical performance of LiNi1/3Co1/3Mn1/3O2[J]. Journal of Solid State Electrochemistry,2012,16(4):1481-1486.
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