Institutional Repository of Coll Mat Sci & Engn
| An Asymmetric Supercapacitor with Both Ultra-High Gravimetric and Volumetric Energy Density Based on 3D Ni(OH)(2)/MnO2@Carbon Nanotube and Activated Polyaniline-Derived Carbon | |
Shen, Juanjuan1,2,3; Li, Xiaocheng1,2 ; Wan, Liu2; Liang, Kun4; Tay, Beng Kang4; Kong, Lingbin1; Yan, Xingbin2
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| 2017-01-11 | |
| 发表期刊 | ACS APPLIED MATERIALS & INTERFACES
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| ISSN | 1944-8244 |
| 卷号 | 9期号:1页码:668-676 |
| 摘要 | Development of a supercapacitor device with both high gravimetric and volumetric energy density is one of the most important requirements for their practical application in energy storage/conversion systems. Currently, improvement of the gravimetric/volumetric energy density of a supercapacitor is restricted by the insufficient utilization of positive materials at high loading density and the inferior capacitive behavior of negative electrodes. To solve these problems, we elaborately designed and prepared a 3D core-shell structured Ni(OH)(2)/MnO2@carbon nanotube (CNT) composite via a facile solvothermal process by using the thermal chemical vapor deposition grown-CNTs as support. Owing to the superiorities of core-shell architecture in improving the service efficiency of pseudocapacitive materials at high loading density, the prepared Ni(OH)(2)/MnO2@CNT electrode demonstrated a high capacitance value of 2648 F g(-1) (1 A g(-1)) at a high loading density of 6.52 mg cm(-2). Coupled with high-performance activated polyaniline-derived carbon (APDC, 400 F g(-1) at 1 A g(-1)), the assembled Ni(OH)(2)/MnO2@CNT//APDC asymmetric device delivered both high gravimetric and volumetric energy density (126.4 Wh kg(-1) and 10.9 mWh cm(-3), respectively), together with superb rate performance and cycling lifetime. Moreover, we demonstrate an effective approach for building a high-performance supercapacitor with high gravimetric/volumetric energy density. |
| 关键词 | asymmetric supercapacitor energy density high mass loading nickel hydroxide/manganese dioxide composite activated polyaniline-derived carbon |
| DOI | 10.1021/acsami.6b12370 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology[SKLAB02014002] |
| WOS研究方向 | Science & Technology - Other Topics ; Materials Science |
| WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary |
| WOS记录号 | WOS:000392037400079 |
| 出版者 | AMER CHEMICAL SOC |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/33396 |
| 专题 | 材料科学与工程学院 能源与动力工程学院 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 | Li, Xiaocheng |
| 作者单位 | 1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China 2.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, Lanzhou 730000, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100080, Peoples R China 4.Nanyang Technol Univ, Sch Elect & Elect Engn, 50 Nanyang Ave, Singapore 639798, Singapore |
| 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; 能源与动力工程学院 |
| 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; 能源与动力工程学院 |
| 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 |
| 推荐引用方式 GB/T 7714 | Shen, Juanjuan,Li, Xiaocheng,Wan, Liu,et al. An Asymmetric Supercapacitor with Both Ultra-High Gravimetric and Volumetric Energy Density Based on 3D Ni(OH)(2)/MnO2@Carbon Nanotube and Activated Polyaniline-Derived Carbon[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(1):668-676. |
| APA | Shen, Juanjuan.,Li, Xiaocheng.,Wan, Liu.,Liang, Kun.,Tay, Beng Kang.,...&Yan, Xingbin.(2017).An Asymmetric Supercapacitor with Both Ultra-High Gravimetric and Volumetric Energy Density Based on 3D Ni(OH)(2)/MnO2@Carbon Nanotube and Activated Polyaniline-Derived Carbon.ACS APPLIED MATERIALS & INTERFACES,9(1),668-676. |
| MLA | Shen, Juanjuan,et al."An Asymmetric Supercapacitor with Both Ultra-High Gravimetric and Volumetric Energy Density Based on 3D Ni(OH)(2)/MnO2@Carbon Nanotube and Activated Polyaniline-Derived Carbon".ACS APPLIED MATERIALS & INTERFACES 9.1(2017):668-676. |
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