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Electrochemical properties and controlled-synthesis of hierarchical beta-Ni(OH)(2) micro-flowers and hollow microspheres
Wang, Yong1,2; Zhu, Qingshan1; Zhu, QS
2010-12-01
Source PublicationMATERIALS RESEARCH BULLETIN
ISSN0025-5408
Volume45Issue:12Pages:1844-1849
Abstractbeta-Ni(OH)(2) hierarchical micro-flowers, hierarchical hollow microspheres and nanosheets were synthesized via a facile, single-step and selected-control hydrothermal method. Both hierarchical micro-flowers and hierarchical hollow microspheres were built from two-dimensional nanosheets with thickness of 50-100 nm. The as-obtained products were characterized by Brunauer-Emmett-Teller (BET) surface area analysis, X-ray powder diffraction (XRD) and field emission scanning electron microscopy (FESEM). It was observed that marked morphological changes in beta-Ni(OH)(2) depended on the initial concentrations of Ni2+ ions and glycine. A possible growth mechanism was proposed based on experimental results. In addition, the effect of morphology on the electrochemical properties was also investigated. Both hierarchical micro-flowers and hierarchical hollow microspheres exhibited enhanced specific capacity and high-rate discharge ability as compared with pure Ni(OH)(2) nanosheets. Investigations confirmed that hierarchical structures had a pronounced influence upon the electrochemical performance of nickel hydroxide. (C) 2010 Elsevier Ltd. All rights reserved.
KeywordNanostructures Oxides Chemical Synthesis Crystal Growth Electrochemical Properties
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.materresbull.2010.09.014
Indexed BySCI
Language英语
WOS KeywordLITHIUM-ION BATTERIES ; SOLVOTHERMAL SYNTHESIS ; NICKEL-HYDROXIDE ; FACILE SYNTHESIS ; OPTICAL-PROPERTIES ; NANOSTRUCTURES ; FABRICATION ; SPHERES ; PERFORMANCE ; MECHANISM
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000285678800011
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5255
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhu, QS
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100080, Peoples R China
2.Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yong,Zhu, Qingshan,Zhu, QS. Electrochemical properties and controlled-synthesis of hierarchical beta-Ni(OH)(2) micro-flowers and hollow microspheres[J]. MATERIALS RESEARCH BULLETIN,2010,45(12):1844-1849.
APA Wang, Yong,Zhu, Qingshan,&Zhu, QS.(2010).Electrochemical properties and controlled-synthesis of hierarchical beta-Ni(OH)(2) micro-flowers and hollow microspheres.MATERIALS RESEARCH BULLETIN,45(12),1844-1849.
MLA Wang, Yong,et al."Electrochemical properties and controlled-synthesis of hierarchical beta-Ni(OH)(2) micro-flowers and hollow microspheres".MATERIALS RESEARCH BULLETIN 45.12(2010):1844-1849.
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