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Solvothermal synthesis of lifepo4 hierarchically dumbbell-like microstructures by nanoplate self-assembly and their application as a cathode material in lithium-ion batteries
Yang, Hui1; Wu, Xing-Long3,4; Cao, Min-Hua1,2; Guo, Yu-Guo3
刊名Journal of physical chemistry c
2009-02-26
卷号113期号:8页码:3345-3351
ISSN号1932-7447
DOI10.1021/jp808080t
通讯作者Cao, min-hua(caomh043@nenu.edu.cn)
英文摘要In this work, lifepo4 with hierarchical microstructures self-assembled by nanoplates has been successfully synthesized by using poly(vinyl pyrrolidone) (pvp) as the surfactant in a benzyl alcohol system. the resulting dumbbell-like lifepo4 microstructures are hierarchically constructed with two-dimensional nanoplates with similar to 300 nm length and similar to 50 nm thicknesses, while these tiny plates are attached side by side in an ordered fashion. both benzyl alcohol and lil acting as reducing agents promote the formation of lifepo4, and the presence of pvp plays an important role in the construction of the hierarchically self-assembled microstructures. a reasonable formation mechanism is proposed on the basis of the result of time-dependent experiments. in addition, the cell performance of the synthesized lifepo4 is better than that of the commercial lifepo4, which makes it a promising cathode material for advanced electrochemical devices such as lithium-ion batteries and supercapacitors.
WOS关键词ENHANCED ELECTROCHEMICAL PERFORMANCE ; HYDROTHERMAL METHOD ; PHOTOCATALYTIC ACTIVITY ; NONAQUEOUS SYNTHESIS ; ELECTRODE MATERIALS ; ROOM-TEMPERATURE ; NANOPARTICLES ; NANOCRYSTALS ; STORAGE ; ROUTE
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000263529300045
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2393942
专题中国科学院大学
通讯作者Cao, Min-Hua
作者单位1.NE Normal Univ, Dept Chem, Changchun 130024, Peoples R China
2.Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
4.CAS, Grad Sch, Beijing 100064, Peoples R China
推荐引用方式
GB/T 7714
Yang, Hui,Wu, Xing-Long,Cao, Min-Hua,et al. Solvothermal synthesis of lifepo4 hierarchically dumbbell-like microstructures by nanoplate self-assembly and their application as a cathode material in lithium-ion batteries[J]. Journal of physical chemistry c,2009,113(8):3345-3351.
APA Yang, Hui,Wu, Xing-Long,Cao, Min-Hua,&Guo, Yu-Guo.(2009).Solvothermal synthesis of lifepo4 hierarchically dumbbell-like microstructures by nanoplate self-assembly and their application as a cathode material in lithium-ion batteries.Journal of physical chemistry c,113(8),3345-3351.
MLA Yang, Hui,et al."Solvothermal synthesis of lifepo4 hierarchically dumbbell-like microstructures by nanoplate self-assembly and their application as a cathode material in lithium-ion batteries".Journal of physical chemistry c 113.8(2009):3345-3351.
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