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Effects of single electrodes of Ni(OH)(2) and activated carbon on electrochemical performance of Ni(OH)(2)-activated carbon asymmetric supercapacitor
Tian, Ying1; Yan, Jingwang2; Huang, Liping3; Xue, Rong2; Hao, Lixing2; Yi, Baolian2
KeywordOxides Electrochemical Properties Capacitance Lifetime
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
2014-02-14
DOI10.1016/j.matchemphys.2013.11.017
Volume143Issue:3Pages:1164-1170
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Multidisciplinary
WOS Research AreaMaterials Science
WOS KeywordCOMPOSITE ELECTRODE ; CAPACITOR ; BETA-NI(OH)(2) ; OXIDE ; NANOSTRUCTURES ; REVERSIBILITY
AbstractNickel hydroxide consisting of loosely packed nanospheres was synthesized as positive electrode material for an asymmetric capacitor based on Ni(OH)(2) and activated carbon (AC). Two series of supercapacitors were fabricated to investigate the effects of the single electrodes of Ni(OH)(2) and AC on the electrochemical performance of asymmetric Ni(OH)(2)-AC capacitor. Parameters including cell voltage window, specific capacitance and cyclic stability were assessed. In one series of supercapacitors, mass of Ni(OH)(2) was excessive while mass of AC was varied, the AC electrode thus constrained both the capacitance and the upper limit of cell voltage. Deficiency of AC resulted in lower specific capacitance and narrower cell voltage window but benefited to cyclic stability. In the other series of supercapacitors, the mass of AC was excessive whereas the mass of Ni(OH)(2) was changeable in each cell, Ni(OH)(2) electrode thus dominated both the capacitance and the lower limit of cell voltage. As a consequence, deficiency of Ni(OH)(2) led to higher specific capacity and wider cell voltage window as well as lower cyclic stability. These results can contribute to improving understanding of and optimizing performance of asymmetric Ni(OH)(2)-AC capacitor. (C) 2013 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000331347500037
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/143225
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Jiaotong Univ, Key Lab Environm Sci & Technol, Educ Dept Liaoning Prov, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Sch Environm Sci & Technol, Minist Educ MOE, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China
Recommended Citation
GB/T 7714
Tian, Ying,Yan, Jingwang,Huang, Liping,et al. Effects of single electrodes of Ni(OH)(2) and activated carbon on electrochemical performance of Ni(OH)(2)-activated carbon asymmetric supercapacitor[J]. MATERIALS CHEMISTRY AND PHYSICS,2014,143(3):1164-1170.
APA Tian, Ying,Yan, Jingwang,Huang, Liping,Xue, Rong,Hao, Lixing,&Yi, Baolian.(2014).Effects of single electrodes of Ni(OH)(2) and activated carbon on electrochemical performance of Ni(OH)(2)-activated carbon asymmetric supercapacitor.MATERIALS CHEMISTRY AND PHYSICS,143(3),1164-1170.
MLA Tian, Ying,et al."Effects of single electrodes of Ni(OH)(2) and activated carbon on electrochemical performance of Ni(OH)(2)-activated carbon asymmetric supercapacitor".MATERIALS CHEMISTRY AND PHYSICS 143.3(2014):1164-1170.
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