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题名: Graphene-TiO<inf>2</inf>(B) nanowires composite material: Synthesis, characterization and application in lithium-ion batteries
作者: Hou, Juan (1) ; Wu, Rong (1) ; Zhao, Pengjun (1) ; Chang, Aimin (1) ; Ji, Guang (1) ; Gao, Bo (1) ; Zhao, Qing (1)
通讯作者: Chang, A.(changam@ms.xjb.ac.cn)
关键词: Graphene ; TiO2(B) nanowires ; Composite materials ; Phase transformation ; Lithium-ion batteries
刊名: Materials Letters
发表日期: 2013
卷: 100, 页:173-176
收录类别: SCI ; EI
部门归属: (1) Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institute of Physics and Chemistry, CAS, Urumqi 830011, China ; (2) Graduate University of Chinese Academy of Science, Beijing 100049, China ; (3) Key Laboratory of Ecophysics and Department of Physics, School of Science, Shihezi University, Xinjiang 832003, China
摘要: A novel nanostructure graphene-TiO2(B) nanowires composite material was obtained through a green approach by hydrothermal reaction of graphene oxide (GO) hybrid titania gel in 10 M NaOH aqueous solution systems. The GO reducing process was accompanied by generation of TiO2(B) nanowires. Results show that the TiO2(B) to anatase phase transformation temperature was increased and the nanotube to nanowire transformation process accelerated after hybridized with graphene, which revealed the enhancement thermostabilities of the composite material. The prepared composite exhibited high surface area (270 m2/g). Electrochemical analysis indicated that the composite electrode displayed a high initial discharge capacity of 304 mAhg-1 at 30 mAg-1 and a good cyclability with a capacity loss of 7% after 60 cycles at 150 mAg -1. The graphene modified TiO2(B) nanowires composite could improve the electrochemical performance of TiO2(B) for lithium-ion batteries. © 2013 Elsevier B.V.
英文摘要: A novel nanostructure graphene-TiO2(B) nanowires composite material was obtained through a green approach by hydrothermal reaction of graphene oxide (GO) hybrid titania gel in 10 M NaOH aqueous solution systems. The GO reducing process was accompanied by generation of TiO2(B) nanowires. Results show that the TiO2(B) to anatase phase transformation temperature was increased and the nanotube to nanowire transformation process accelerated after hybridized with graphene, which revealed the enhancement thermostabilities of the composite material. The prepared composite exhibited high surface area (270 m2/g). Electrochemical analysis indicated that the composite electrode displayed a high initial discharge capacity of 304 mAhg-1 at 30 mAg-1 and a good cyclability with a capacity loss of 7% after 60 cycles at 150 mAg -1. The graphene modified TiO2(B) nanowires composite could improve the electrochemical performance of TiO2(B) for lithium-ion batteries. © 2013 Elsevier B.V.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3889
Appears in Collections:中国科学院新疆理化技术研究所(2002年以前数据)_期刊论文

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Hou, Juan (1); Wu, Rong (1); Zhao, Pengjun (1); Chang, Aimin (1); Ji, Guang (1); Gao, Bo (1); Zhao, Qing (1).Graphene-TiO2(B) nanowires composite material: Synthesis, characterization and application in lithium-ion batteries,Materials Letters,2013,100():173-176
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