| Easy fabrication of flexible and multilayer nanocarbon-based cathodes with a high unreal sulfur loading by electrostatic spraying for lithium-sulfur batteries | |
| Shi, Huifa1,2; Niu, Shuzhang3; Lv, Wei1; Zhou, Guangmin5; Zhang, Chen6; Sun, Zhenhua7; Li, Feng7; Kang, Feiyu1,2,3; Yang, Quan-Hong4 | |
| Corresponding Author | Lv, Wei(lv.wei@sz.tsinghua.edu.cn) |
| 2018-11-01 | |
| Source Publication | CARBON
 |
| ISSN | 0008-6223 |
| Volume | 138Pages:18-25 |
| Abstract | A high areal sulfur loading in a carbon-based cathode together with a high cell capacity is key to the design of lithium-sulfur batteries guaranteeing a superior energy density for use. However, a high sulfur loading produced using traditional blade coating techniques results in many technical issues such as sluggish electron/ion transport kinetics and cracking of the electrodes. Here a well designed two-step electrostatic spray deposition (ESD) technique is proposed to prepare a flexible, multilayer carbon electrode with a high sulfur areal loading, in which different carbon components by a careful selection are used for different functions in each layer. The unique "aerosol deposition" in the ESD creates buffer voids in the electrode, ensuring fast infiltration of the electrolyte and releasing the internal stress of the electrode thus avoiding the cracking of thick electrodes. With such an integrated design, the as-prepared cathode exhibits excellent flexibility, a long cyclic stability with a low capacity decay of 0.064% per cycle at 1 C for 500 cycles and a high rate capability of 736 mAh g(-1) at 2 C. Moreover, a high areal sulfur loading of 9.4 mg cm(-2) with an areal capacity of 6.2 mAh cm(-2) at 0.1 C has been achieved. (C) 2018 Elsevier Ltd. All rights reserved. |
| Keyword | Lithium-sulfur batteries Electrostatic spray deposition Flexible electrode Layer-by-layer structure High loading |
| Funding Organization | National Natural Science Foundation of China ; National Basic Research Program of China ; China Postdoctoral Science Foundation ; Shenzhen Basic Research Project ; International Collaboration Project of Tsinghua University Initiative Scientific Research Program ; National Science Fund for Distinguished Young Scholars, China ; Youth Research Funds of the Graduate School at Shenzhen, Tsinghua University |
| DOI | 10.1016/j.carbon.2018.05.077 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51772164] ; National Natural Science Foundation of China[51702182] ; National Basic Research Program of China[2014CB932400] ; China Postdoctoral Science Foundation[2017M610887] ; Shenzhen Basic Research Project[JCYJ20150529164918734] ; Shenzhen Basic Research Project[JCYJ20170412171359175] ; International Collaboration Project of Tsinghua University Initiative Scientific Research Program[20173080001] ; National Science Fund for Distinguished Young Scholars, China[51525204] ; Youth Research Funds of the Graduate School at Shenzhen, Tsinghua University[QN20160001] |
| WOS Research Area | Chemistry ; Materials Science |
| WOS Subject | Chemistry, Physical ; Materials Science, Multidisciplinary |
| WOS ID | WOS:000442635300003 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/129296 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Lv, Wei |
| Affiliation | 1.Tsinghua Univ, Engn Lab Functionalized Carbon Mat, Shenzhen Key Lab Graphene Based Mat, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China 2.Tsinghua Univ, Sch Mat Sci & Engn, Lab Adv Mat, Beijing 100084, Peoples R China 3.Tsinghua Univ, TBSI, Shenzhen 518055, Peoples R China 4.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China 5.Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA 6.Tianjin Univ, Sch Marine Sci & Technol, Tianjin 300072, Peoples R China 7.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China |
| Recommended Citation GB/T 7714 | Shi, Huifa,Niu, Shuzhang,Lv, Wei,et al. Easy fabrication of flexible and multilayer nanocarbon-based cathodes with a high unreal sulfur loading by electrostatic spraying for lithium-sulfur batteries[J]. CARBON,2018,138:18-25. |
| APA | Shi, Huifa.,Niu, Shuzhang.,Lv, Wei.,Zhou, Guangmin.,Zhang, Chen.,...&Yang, Quan-Hong.(2018).Easy fabrication of flexible and multilayer nanocarbon-based cathodes with a high unreal sulfur loading by electrostatic spraying for lithium-sulfur batteries.CARBON,138,18-25. |
| MLA | Shi, Huifa,et al."Easy fabrication of flexible and multilayer nanocarbon-based cathodes with a high unreal sulfur loading by electrostatic spraying for lithium-sulfur batteries".CARBON 138(2018):18-25. |
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