Institutional Repository of Coll Mat Sci & Engn
| 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
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| 2010-08 | |
| Source Publication | JOURNAL OF SOLID STATE ELECTROCHEMISTRY
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| ISSN | 1432-8488 |
| Volume | 14Issue:8Pages:1533-1539 |
| Abstract | 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. |
| Keyword | Asymmetric supercapacitors Alpha-nickel hydroxide Specific capacitance Specific energy |
| DOI | 10.1007/s10008-009-0984-1 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[50602020] ; National Basic Research Program of China[2007CB216408] |
| WOS Research Area | Electrochemistry |
| WOS Subject | Electrochemistry |
| WOS ID | WOS:000277939800021 |
| Publisher | SPRINGER |
| Document Type | 期刊论文 |
| Identifier | https://ir.lut.edu.cn/handle/2XXMBERH/35218 |
| Collection | 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 |
| Corresponding Author | Kong, Ling-Bin |
| Affiliation | 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 |
| First Author Affilication | State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials |
| Corresponding Author Affilication | State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials |
| First Signature Affilication | State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials |
| Recommended Citation 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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