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Local structure of vanadium in doped LiFePO4
Zhao T(赵挺); Xu W(徐伟); Ye Q(叶青); Cheng J(程杰); Zhao HF(赵海峰); Wu ZY(吴自玉); Chu WS(储旺盛); Zhao, T; Xu, W; Ye, Q; Cheng, J; Zhao, HF; Wu, ZY; Xia, DG; Chu, WS
2010
发表期刊JOURNAL OF SYNCHROTRON RADIATION
卷号17期号:5页码:584-589
通讯作者[Zhao, Ting ; Xu, Wei ; Ye, Qing ; Cheng, Jie ; Zhao, Haifeng ; Wu, Ziyu ; Chu, Wangsheng] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China ; [Xia, Dingguo] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
文章类型Article
摘要LiFePO4 composites with 5 at.% vanadium doping are prepared by solid state reactions. X-ray absorption fine-structure spectroscopy is used as a novel technique to identify vanadium sites Both experimental analyses and theoretical simulations show that vanadium does not enter into the LiFePO4 crystal lattice. When the vanadium concentration is lower then 1 at %, the dopant remains insoluble. Thus, a single-phase vanadium-doped LiFePO4 cannot be formed and the improved electrochemical properties of vanadium-doped LiFePO4 previously reported cannot be associated with crystal structure changes of the LiFePO4 via vanadium doping
关键词lithium-ion battery LiFePO4 XAFS vanadium doping site
学科领域Instruments & Instrumentation; Optics; Physics
研究领域[WOS]Instruments & Instrumentation ; Optics ; Physics ; Instruments & Instrumentation ; Optics ; Physics
DOI10.1107/S0909049510025434
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语种英语
研究领域[WOS]Instruments & Instrumentation ; Optics ; Physics ; Instruments & Instrumentation ; Optics ; Physics
WOS类目Instruments & Instrumentation ; Optics ; Physics, Applied
WOS记录号WOS:000282083300002
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238033
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhao T,Xu W,Ye Q,et al. Local structure of vanadium in doped LiFePO4[J]. JOURNAL OF SYNCHROTRON RADIATION,2010,17(5):584-589.
APA 赵挺.,徐伟.,叶青.,程杰.,赵海峰.,...&Chu, WS.(2010).Local structure of vanadium in doped LiFePO4.JOURNAL OF SYNCHROTRON RADIATION,17(5),584-589.
MLA 赵挺,et al."Local structure of vanadium in doped LiFePO4".JOURNAL OF SYNCHROTRON RADIATION 17.5(2010):584-589.
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