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Fabrication and Characterization of LiFePO4 Nanotubes by a Sol-gel-AAO Template Process
Xiao-hong Liu ,Jin-qing Wang ,Jun-yan Zhang* ,Sheng-rong Yang*
Author NameAffiliation
Xiao-hong Liu State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Graduate School, Chinese Academy of Science, Beijing 100039, China 
Jin-qing Wang State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 
Jun-yan Zhang* State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 
Sheng-rong Yang* State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 
Abstract:
The LiFePO4 nanotubes were successfully fabricated by a sol-gel method with porous anodic aluminum oxide as the template. Transmission electron microscopy and scanning electron microscopy showed that the synthe- sized LiFePO4 nanotubes were monodispersed and parallel to one another. Selected area electron diffraction pattern, X-ray diffraction and X-ray photoelectron spectroscopy investigations jointly demonstrated that the synthesized LiFePO4 nanotubes were pure olivine structure. This approach offered a potentially way for fabricating ordered LiFePO4 nanotubes at room temperature and ambient conditions, which might be expected to find promising application as a new cathode material in lithium ion battery.
Key words:  LiFePO4, AAO template, Sol-gel, Lithium ion battery
FundProject:supported by the National Natural Sci ence Foundation of China (No.50375151, No.50323007 and No.50572107), 863 Program (No.2002AA302609) and "Hundreds Talent Program" of Chinese Academy of Sciences for ˉnancial Support
LiFePO4纳米管的制备与表征
刘晓红 ,王金清 ,张俊彦 ,杨生荣
摘要:
采用溶胶凝胶法在氧化铝模板中成功的制备了LiFePO4一维纳 米管阵列. 扫描电子显微镜和透射电子显微镜表征结果表明所制备 的LiFePO4纳米管具有单分散性,互相平行,高度有序。综合选区电 子衍射、X射线衍射以及X光线能谱表征结果,所制备的LiFePO4纳 米管为单一的橄榄石型结构. 这种在室温和温和条件下合成的一 维LiFePO4纳米管,可以做为新型的锂离子电池正极材料.
关键词:  纳米管,LiFePO4,阳极氧化铝
DOI:10.1360/cjcp2006.19(6).530.5
分类号: