| Scalable fabrication of vanadium carbide/graphene electrodes for high-energy and flexible microsupercapacitors | |
| Li, Hucheng1,2; Tang, Pei1,2; Shen, Haorui1,2; Hu, Tianzhao1,3; Chen, Junnan1,2; Chen, Ke1,4; Qi, Fulai1,2; Yang, Huicong1,2; Wen, Lei1,2; Li, Feng1,2 | |
| Corresponding Author | Wen, Lei(leiwen@imr.ac.cn) ; Li, Feng(fli@imr.ac.cn) |
| 2021-10-15 | |
| Source Publication | CARBON
 |
| ISSN | 0008-6223 |
| Volume | 183Pages:840-849 |
| Abstract | In-plane microsupercapacitors (MSCs) hold great promise for microscale power source, due to the extremely high power density and ultra-long cycling life. However, the scalable fabrication of flexible MSCs with high energy density remains a major challenge. Here, we demonstrate the fabrication of vanadium carbide/reduced graphene oxide (V8C7/rGO) MSCs via laser scribing on ammonium meta-vanadate/graphene oxide (NH4VO3/GO) films, prepared by efficient continuous centrifugal casting method. More than 20 MSCs can be produced on a flexible substrate in 30 min, showing the potential for scalable fabrication. The laser-induced V8C7/rGO shows highly porous microstructure, where vanadium carbide nanoparticles are in-situ synthesized and uniformly decorated on graphene nanosheets. The well-defined architecture endows V8C7/rGO MSCs with excellent electrochemical performance. The areal capacitance of these devices can be as high as 49.5 mF cm(-2), 11 times higher than that of rGO MSCs. The volumetric energy density and power density can be up to 3.4 mWh cm(-3) and 401 mW cm(-3), respectively, competitive with the commercially available energy storage devices and most reported MSCs. In addition, V8C7/rGO MSCs show excellent flexibility and integrability, as well as long cycling life, promising for practical applications. (C) 2021 Elsevier Ltd. All rights reserved. |
| Keyword | Graphene Vanadium carbide Laser scribing Microsupercapacitor Flexible device |
| Funding Organization | National Natural Science Foundation of China ; National Key R&D Program of China ; LiaoNing Revitalization Talents Program |
| DOI | 10.1016/j.carbon.2021.07.066 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51927803] ; National Natural Science Foundation of China[51902316] ; National Natural Science Foundation of China[51525206] ; National Key R&D Program of China[2016YFA0200102] ; National Key R&D Program of China[2016YFB0100100] ; LiaoNing Revitalization Talents Program[XLYC1908015] |
| WOS Research Area | Chemistry ; Materials Science |
| WOS Subject | Chemistry, Physical ; Materials Science, Multidisciplinary |
| WOS ID | WOS:000705083800077 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/166672 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Wen, Lei; Li, Feng |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China 4.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Hucheng,Tang, Pei,Shen, Haorui,et al. Scalable fabrication of vanadium carbide/graphene electrodes for high-energy and flexible microsupercapacitors[J]. CARBON,2021,183:840-849. |
| APA | Li, Hucheng.,Tang, Pei.,Shen, Haorui.,Hu, Tianzhao.,Chen, Junnan.,...&Li, Feng.(2021).Scalable fabrication of vanadium carbide/graphene electrodes for high-energy and flexible microsupercapacitors.CARBON,183,840-849. |
| MLA | Li, Hucheng,et al."Scalable fabrication of vanadium carbide/graphene electrodes for high-energy and flexible microsupercapacitors".CARBON 183(2021):840-849. |
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