Asymmetric supercapacitors based on stabilized alpha-Ni(OH)(2) and activated carbon
Lang, Jun-Wei1; Kong, Ling-Bin1; Liu, Min1; Luo, Yong-Chun2; Kang, Long2
2010-08
发表期刊JOURNAL OF SOLID STATE ELECTROCHEMISTRY
ISSN1432-8488
卷号14期号:8页码:1533-1539
摘要In this work, stabilized Al-substituted alpha-Ni(OH)(2) materials were successfully synthesized by a chemical coprecipitation method. The experimental results showed that the 7.5% Al-substituted alpha-Ni(OH)(2) materials exhibited high specific capacitance (2.08 x 10(3) F/g) and excellent rate capability due to the high stability of Al-substituted alpha-Ni(OH)(2) structures in alkaline media, suggesting its potential application in electrode material for supercapacitors. To enhance energy density, an asymmetric type pseudo/electric double-layer capacitor was considered where alpha-Ni(OH)(2) materials and activated carbon act as the positive and negative electrodes, respectively. Values for the maximum specific capacitance of 127 F/g and specific energy of 42 W center dot h/kg were demonstrated for a cell voltage between 0.4 and 1.6 V. By using the alpha-Ni(OH)(2) electrode, the asymmetric supercapacitor exhibited high energy density and stable power characteristics. The hybrid supercapacitor also exhibited a good electrochemical stability with 82% of the initial capacitance over consecutive 1,000 cycle numbers.
关键词Asymmetric supercapacitors Alpha-nickel hydroxide Specific capacitance Specific energy
DOI10.1007/s10008-009-0984-1
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[50602020] ; National Basic Research Program of China[2007CB216408]
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000277939800021
出版者SPRINGER
引用统计
被引频次:136[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/35218
专题材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
通讯作者Kong, Ling-Bin
作者单位1.Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, Minist Educ, Key Lab Nonferrous Met Alloys & Proc, Lanzhou 730050, Peoples R China
第一作者单位省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位省部共建有色金属先进加工与再利用国家重点实验室
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GB/T 7714
Lang, Jun-Wei,Kong, Ling-Bin,Liu, Min,et al. Asymmetric supercapacitors based on stabilized alpha-Ni(OH)(2) and activated carbon[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2010,14(8):1533-1539.
APA Lang, Jun-Wei,Kong, Ling-Bin,Liu, Min,Luo, Yong-Chun,&Kang, Long.(2010).Asymmetric supercapacitors based on stabilized alpha-Ni(OH)(2) and activated carbon.JOURNAL OF SOLID STATE ELECTROCHEMISTRY,14(8),1533-1539.
MLA Lang, Jun-Wei,et al."Asymmetric supercapacitors based on stabilized alpha-Ni(OH)(2) and activated carbon".JOURNAL OF SOLID STATE ELECTROCHEMISTRY 14.8(2010):1533-1539.
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