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题名:
Synthesis and electrochemical properties of LiFe1-xBxO4-delta/C cathode materials
作者: Lu, Zhang; Xueya, Kang; Wumair, Tuerdi; Junqing, Dou; Ying, Han
通讯作者: Kang, XY
关键词: Lithium-ion battery ; Cathode material ; Lithium iron phosphate ; B-Doping
刊名: Journal of Power Sources
发表日期: 2013
DOI: 10.1016/j.jpowsour.2013.05.093
卷: 243, 期:12, 页:147-151
收录类别: SCI
英文摘要: The composite materials of B-doped LiFeP1-xBxO 4-δ/C (x = 0.00, 0.05, 0.10 and 0.15) at P-site are synthesized in flowing N2 atmosphere by liquid phase reduction method with heat treatment. The synthesized products are characterized by X-ray diffraction, SEM, cyclic voltammetry and galvanostatic charge/discharge tests. The results show that the samples all have well-regulated olivine-type structures, high crystallinity, moderate and uniform particle size, while B-doping improves the conductivity of composite materials, decreases the polarization of electrode, and enhances the cycling performance and high rate capability effectively. The LiFeP0.9B0.1O4-δ/C composite exhibits the best electrochemical performance in the all samples. The discharge capacities of LiFeP0.9B0.1O4-δ/C are 155.2 mAh g-1, 146.2 mAh g-1, 139.4 mAh g-1, 132.4 mAh g-1, 119.1 mAh g-1 and 102.6 mAh g-1 at the rate of 0.2C, 0.5C, 1.0C, 2.0C, 5.0C, and 10.0C.
WOS记录号: WOS:000324846200021
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3854
Appears in Collections:新疆维吾尔自治区电子信息材料与器件重点实验室_期刊论文

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Recommended Citation:
Lu, Zhang,Xueya, Kang,Wumair, Tuerdi,et al. Synthesis and electrochemical properties of LiFe1-xBxO4-delta/C cathode materials[J]. Journal of Power Sources,2013-01-01,243(12):147-151.
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