Institutional Repository of Coll Mat Sci & Engn
The mosaic structure design to improve the anchoring strength of SiOx@C@Graphite anode | |
Dong, H.1,2,3; Wang, J.2; Ding, H.2; Wang, P.2; Song, R.2; Zhang, N.2,3; Li, F.1,4; Li, S.1,2,3 | |
2021-12 | |
发表期刊 | MATERIALS TODAY CHEMISTRY |
ISSN | 2468-5194 |
卷号 | 22 |
摘要 | Silicon oxide (SiOx)-based anodes have aroused great interest as the most promising alternative anode in the practical application of high-performance lithium-ion batteries. However, the electrochemical performance is inhibited because of the large volume change, and the electrode structure deteriorates during the cycling process, which hinders their practical application. In this article, a novel fabrication method for the synthesis of high-performance SiOx@C@Graphite composites is presented. SiOx particles are anchored on the graphite surface by chemical vapor deposition and compression molding. This structure makes up the shortcomings of poor electrical conductivity and poor bonding strength between SiOx and graphite particles. It is beneficial to form a stable solid electrolyte interface and helps to maintain the structural integrity of electrode materials. As a result, the synthetic SiOx@C@Graphite anode shows a high reversible capacity (2698.8 mA h), excellent cycle stability (about 76.9% capacity retention for 500 cycles) and a superior rate ability. Our research hopes to provide a new idea for improving the bonding strength of the surface coating. (C) 2021 Elsevier Ltd. All rights reserved. |
关键词 | SiOx@C@Graphite anodes Bonding strength High performance |
DOI | 10.1016/j.mtchem.2021.100599 |
收录类别 | SCIE |
语种 | 英语 |
WOS研究方向 | Chemistry ; Materials Science |
WOS类目 | Chemistry, Multidisciplinary ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000708675900003 |
出版者 | ELSEVIER SCI LTD |
来源库 | WOS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/150110 |
专题 | 材料科学与工程学院 |
通讯作者 | Li, S. |
作者单位 | 1.Lanzhou Univ Technol, Sch Petrochem Technol, Lanzhou 730050, Peoples R China; 2.Key Lab Low Carbon Energy & Chem Engn Gansu Prov, Lanzhou 730050, Peoples R China; 3.Gansu Engn Lab Cathode Mat Lithium Ion Battery, Lanzhou 730050, Peoples R China; 4.Linyi Univ, Sch Mat Sci & Engn, Linyi 276005, Peoples R China |
第一作者单位 | 兰州理工大学 |
通讯作者单位 | 兰州理工大学 |
第一作者的第一单位 | 兰州理工大学 |
推荐引用方式 GB/T 7714 | Dong, H.,Wang, J.,Ding, H.,et al. The mosaic structure design to improve the anchoring strength of SiOx@C@Graphite anode[J]. MATERIALS TODAY CHEMISTRY,2021,22. |
APA | Dong, H..,Wang, J..,Ding, H..,Wang, P..,Song, R..,...&Li, S..(2021).The mosaic structure design to improve the anchoring strength of SiOx@C@Graphite anode.MATERIALS TODAY CHEMISTRY,22. |
MLA | Dong, H.,et al."The mosaic structure design to improve the anchoring strength of SiOx@C@Graphite anode".MATERIALS TODAY CHEMISTRY 22(2021). |
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