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学科主题: Electrochemistry
题名: Chelation-assisted method for the preparation of cathode material LiFePO4
作者: Li Chengfeng; Hua Ning; Wang Chenyun; Kang Xueya; Wumair Tuerdi; Han Ying
通讯作者: Kang, XY
关键词: Lithium iron phosphate ; Chelation-assisted method ; Lithium-ion battery ; Cathode material ; Electrochemical performance
刊名: Journal of Solid State Electrochemistry
发表日期: 2011
DOI: 10.1007/s10008-010-1217-3
卷: 15, 期:9, 页:1971-1976
收录类别: SCI
摘要: LiFePO4/C composite cathode material is prepared by ball milling with the assistance of EDTA chelation with using water as the media of ball mill procedure. FePO4 and LiOH are used as starting materials; a certain amount of glucose is used as carbon sources and reduction agent. The structure and morphology of the composite are characterized by X-ray diffraction and scanning electron microscopy. Cyclic voltammetry, AC impedance measurements, and galvanostatic charge-discharge and cycling performances are used to characterize its electrochemical properties. The results indicate that the performances of composites prepared by chelationassisted method are much better than common ball milling method which using alcohol or acetone as themedia of ballmill procedure. The stable discharge capacity of the prepared composite is 150 and 105 mAh g-1 at 1 and 10 C rate, respectively.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1415
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: Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Xinjiang, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Xinjiang, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Li Chengfeng,Hua Ning,Wang Chenyun,et al. Chelation-assisted method for the preparation of cathode material LiFePO4[J]. Journal of Solid State Electrochemistry,2011,15(9):1971-1976.
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