Facile high-voltage sputtering synthesis of three-dimensional hierarchical porous nitrogen-doped carbon coated Si composite for high performance lithium-ion batteries
Liu, NT (Liu, Niantao); Mamat, X (Mamat, Xamxikamar); Jiang, RY (Jiang, Ruyuan); Tong, W (Tong, Wei); Huang, YD (Huang, Yudai); Jia, DZ (Jia, Dianzeng); Li, YT (Li, Yongtao); Wang, L (Wang, Lei); Wagberg, T (Wagberg, Thomas); Hu, GZ (Hu, Guangzhi)
2018
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号343期号:7页码:78-85
摘要

Various kinds of efforts have been devoted to ameliorate the serious volume-expansion effect and low electron conductivity of silicon-based materials in lithium ion batteries. Here, we report a facile high voltage sputtering process to prepare three-dimensional hierarchical porous nitrogen-doped carbon coated Si microsphere to significantly improve the lithium storage performance. The structure and morphology of the as-obtained samples are characterized by X-ray diffraction, transmission electron microscope and scanning electron microscope. The results indicate that the as-prepared composite is composed of silicon nanoparticles (similar to 100 nm) coated with conductive thin carbon layer (similar to 8.5 nm). The composite shows excellent lithium storage performance with a reversible capacity of 1565 mAh g(-1) after 100 cycles at a current density of 0.5 A g(-1), as well as a long cycling performance at the high current density of 2 A g(-1). The facile preparation process and highly silicon-loading (similar to 78%) makes the prepared material be a great potential application in lithium-ion batteries.

关键词Three-dimensional Hierarchical Porous Nitrogen-doped Carbon Silicon Nanoparticles High Voltage Sputtering Void Space Lithium-ion Batteries
DOI10.1016/j.cej.2018.02.111
收录类别SCI
WOS记录号WOS:000430269200010
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5268
专题省部共建新疆特有药用资源利用重点实验室
作者单位1.Xinjiang Univ, Inst Appl Chem, Minist Educ, Key Lab Adv Funct Mat,Key Lab Energy Mat Chem, Urumqi 830046, Xinjiang, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, State Key Lab Basis Xinjiang Indigenous Med Plant, Key Lab Chem Plant Resources Arid Reg, Urumqi 830011, Peoples R China
3.Umea Univ, Dept Phys, S-90187 Umea, Sweden
4.Shanghai Jiao Tong Univ, Sch Environm Sci & Engn, Shanghai 200240, Peoples R China
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Liu, NT ,Mamat, X ,Jiang, RY ,et al. Facile high-voltage sputtering synthesis of three-dimensional hierarchical porous nitrogen-doped carbon coated Si composite for high performance lithium-ion batteries[J]. CHEMICAL ENGINEERING JOURNAL,2018,343(7):78-85.
APA Liu, NT .,Mamat, X .,Jiang, RY .,Tong, W .,Huang, YD .,...&Hu, GZ .(2018).Facile high-voltage sputtering synthesis of three-dimensional hierarchical porous nitrogen-doped carbon coated Si composite for high performance lithium-ion batteries.CHEMICAL ENGINEERING JOURNAL,343(7),78-85.
MLA Liu, NT ,et al."Facile high-voltage sputtering synthesis of three-dimensional hierarchical porous nitrogen-doped carbon coated Si composite for high performance lithium-ion batteries".CHEMICAL ENGINEERING JOURNAL 343.7(2018):78-85.
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