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Superior electrode performance of LiFePO4/C composite prepared by an in situ polymerization restriction method
Chen, Jian1; Zou, Yong-Cun1; Zhang, Feng2; Zhang, Yuan-Chun1; Guo, Fei-Fan1; Li, Guo-Dong1
关键词Electrode Materials Microstructure Coating Materials Precipitation
刊名JOURNAL OF ALLOYS AND COMPOUNDS
2013-06-25
DOI10.1016/j.jallcom.2013.02.131
563页:264-268
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
研究领域[WOS]Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
关键词[WOS]LITHIUM-ION BATTERIES ; HIGH-RATE CAPABILITY ; ELECTROCHEMICAL PERFORMANCE ; CATHODE MATERIALS ; HYDROTHERMAL SYNTHESIS ; CARBON ; NANOCOMPOSITE ; NANOPARTICLES ; MICROSPHERES ; ENHANCEMENT
英文摘要The LiFePO4/C composite is prepared by heating the mixture of resorcinol-formaldehyde gel and FePO4, synthesized by an in situ polymerization restriction method, and lithium acetate dihydrate in the atmosphere of nitrogen. The physical and electrochemical properties of the LiFePO4/C composite are investigated by X-ray diffraction, Raman spectroscopy, thermogravimetric analysis, scanning electron microscopy, transmission electron microscopy and electrochemical measurements. The discharge capacity of LiFePO4 is as high as 155.6 mA h g(-1) in the first cycle at 0.5C, and it could remain 144.0 mA h g(-1) after 50 cycles. Even at the high rates of 10C, 20C and 50C, the initial discharge capacities of the electrodes exhibit 115.6 mA h g(-1), 84.5 mA h g(-1) and 67.8 mA h g(-1), and the electrodes deliver capacity retention of 89.5%, 90.9% and 85.7% after 1000 cycles, respectively. The outstanding electrochemical performance could be attributed to the small particle size and good electronic conductivity of the composite. (c) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000317269300047
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137660
专题中国科学院大连化学物理研究所
作者单位1.Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Adv Rechargeable Batteries, Dalian 116023, Peoples R China
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Chen, Jian,Zou, Yong-Cun,Zhang, Feng,et al. Superior electrode performance of LiFePO4/C composite prepared by an in situ polymerization restriction method[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2013,563:264-268.
APA Chen, Jian,Zou, Yong-Cun,Zhang, Feng,Zhang, Yuan-Chun,Guo, Fei-Fan,&Li, Guo-Dong.(2013).Superior electrode performance of LiFePO4/C composite prepared by an in situ polymerization restriction method.JOURNAL OF ALLOYS AND COMPOUNDS,563,264-268.
MLA Chen, Jian,et al."Superior electrode performance of LiFePO4/C composite prepared by an in situ polymerization restriction method".JOURNAL OF ALLOYS AND COMPOUNDS 563(2013):264-268.
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