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Hierarchically-structured hollow NiO nanospheres/nitrogen-doped graphene hybrid with superior capacity retention and enhanced rate capability for lithium-ion batteries
Chen, Jiayuan1,2; Wu, Xiaofeng1,3; Liu, Ya1,2; Gong, Yan1,2; Wang, Pengfei1,2; Li, Wenhui1,2; Mo, Shengpeng1,2; Tan, Qiangqiang1; Chen, Yunfa1,3
2017-12-15
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
卷号425期号:DEC页码:461-469
摘要

A facile template-free synthesis strategy is demonstrated to fabricate nanostructured NiO/N-doped graphene hybrid, in which NiO hollow nanospheres with hierarchically mesoporous structure are tightly anchored on N-doped graphene matrix. The mesoporous shell of NiO can not only provide sufficient electrode/electrolyte contact areas to accelerate ion diffusion and electron exchange, but also efficiently mitigate the volume change that occurs during long-time reactions. Simultaneously, the reduced graphene oxide with doping nitrogen atoms are employed as effectively conductive backbone, further enhancing the electrochemical performances. When used as anodic material for lithium ion batteries, the synergistic system delivers a reversible capacity up to 1104.6 mAh g(-1) after 150 cycles at a current density of 0.08 A g(-1) and 422.3 mAh g(-1) at a high charging rate of 4 A g(-1), which is better than those of the bare counterparts and most other NiO-based materials reported in the previous literatures. The hierarchically hollow NiO nanostructure combined with N-doped graphene matrix provides a promising candidate applied in advanced anode materials for lithium ion batteries. (C) 2017 Elsevier B.V. All rights reserved.

关键词Hierarchical Hollow Structure Nickel Oxide Nitrogen-doped Graphene Lithium-ion Batteries
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.apsusc.2017.06.285
收录类别SCI
语种英语
关键词[WOS]HIGH AREAL CAPACITY ; LONG CYCLE LIFE ; ANODE MATERIAL ; STORAGE PROPERTIES ; SNO2 NANOCRYSTALS ; ENERGY-STORAGE ; PERFORMANCE ; CARBON ; COMPOSITE ; NANOPARTICLES
WOS研究方向Chemistry ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
项目资助者National Natural Science Foundation of China(51272253 ; 51672273)
WOS记录号WOS:000410609400057
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23226
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Urban Atmospher Environm, Xiamen 361021, Peoples R China
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Chen, Jiayuan,Wu, Xiaofeng,Liu, Ya,et al. Hierarchically-structured hollow NiO nanospheres/nitrogen-doped graphene hybrid with superior capacity retention and enhanced rate capability for lithium-ion batteries[J]. APPLIED SURFACE SCIENCE,2017,425(DEC):461-469.
APA Chen, Jiayuan.,Wu, Xiaofeng.,Liu, Ya.,Gong, Yan.,Wang, Pengfei.,...&Chen, Yunfa.(2017).Hierarchically-structured hollow NiO nanospheres/nitrogen-doped graphene hybrid with superior capacity retention and enhanced rate capability for lithium-ion batteries.APPLIED SURFACE SCIENCE,425(DEC),461-469.
MLA Chen, Jiayuan,et al."Hierarchically-structured hollow NiO nanospheres/nitrogen-doped graphene hybrid with superior capacity retention and enhanced rate capability for lithium-ion batteries".APPLIED SURFACE SCIENCE 425.DEC(2017):461-469.
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