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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
关键词Oxides Electrochemical Properties Capacitance Lifetime
刊名MATERIALS CHEMISTRY AND PHYSICS
2014-02-14
DOI10.1016/j.matchemphys.2013.11.017
143期:3页:1164-1170
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Materials Science, Multidisciplinary
研究领域[WOS]Materials Science
关键词[WOS]COMPOSITE ELECTRODE ; CAPACITOR ; BETA-NI(OH)(2) ; OXIDE ; NANOSTRUCTURES ; REVERSIBILITY
英文摘要Nickel 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.
语种英语
WOS记录号WOS:000331347500037
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143225
专题中国科学院大连化学物理研究所
作者单位1.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
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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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