A flexible and conductive connection introduced by cross-linked CNTs between submicron Si@C particles for better performance LIB anode | |
Zhou, Qiqi1,2,3; Liu, Junhao2,3; Gong, Xuzhong1,2,3; Wang, Zhi1,2,3 | |
刊名 | NANOSCALE ADVANCES |
2021-04-21 | |
卷号 | 3期号:8页码:2287-2294 |
ISSN号 | 2516-0230 |
DOI | 10.1039/d1na00012h |
英文摘要 | To improve the inevitable capacity fading issues faced by traditional submicron Si@C electrodes used as anode materials in LIBs, a flexible and conductive connection design is proposed and realized by a solid-state growth approach. In this construction, Si@C is entangled into in situ synthesized carbon nanotube-based network to form a highly connective Si@C/CNTs composite. The interwoven carbon-nanotubes having tight linkages with Si@C contribute to ensure the charge transfer pathway within Si@C particles and accommodate the volume expansion during cycling. The Co/N co-doping further facilitates the transportation of Li ions. As expected, the Si@C/CNT electrode shows improved conductivity and long-term cyclic stability with a high-capacity retention ratio of 80.7% after 500 cycles at 0.5 A g(-1). In this study, the flexible and conductive connection design realized by the in situ synthesis of CNTs can provide some reference to the improvement of alloy-type anode materials and not just Si-based anode materials for LIBs. |
WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science |
语种 | 英语 |
出版者 | ROYAL SOC CHEMISTRY |
WOS记录号 | WOS:000641547400011 |
内容类型 | 期刊论文 |
源URL | [http://ir.ipe.ac.cn/handle/122111/48408] |
专题 | 中国科学院过程工程研究所 |
通讯作者 | Liu, Junhao; Wang, Zhi |
作者单位 | 1.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Zhou, Qiqi,Liu, Junhao,Gong, Xuzhong,et al. A flexible and conductive connection introduced by cross-linked CNTs between submicron Si@C particles for better performance LIB anode[J]. NANOSCALE ADVANCES,2021,3(8):2287-2294. |
APA | Zhou, Qiqi,Liu, Junhao,Gong, Xuzhong,&Wang, Zhi.(2021).A flexible and conductive connection introduced by cross-linked CNTs between submicron Si@C particles for better performance LIB anode.NANOSCALE ADVANCES,3(8),2287-2294. |
MLA | Zhou, Qiqi,et al."A flexible and conductive connection introduced by cross-linked CNTs between submicron Si@C particles for better performance LIB anode".NANOSCALE ADVANCES 3.8(2021):2287-2294. |
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