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Novel core-shell structured Si/S-doped-carbon composite with buffering voids as high performance anode for Li-ion batteries

文献类型：期刊论文

作者Shao, Dan1,2; Smolianova, Inna1,3; Tang, Daoping1; Zhang, Lingzhi1
刊名RSC ADVANCES
出版日期2017
卷号7期号:5页码:2407-2414
ISSN号2046-2069
DOI10.1039/c6ra26247c
文献子类Article
英文摘要A novel core-shell structured Si/S-doped-carbon composite with buffering voids (Si/v-SC), was prepared by a facile hydrothermal method using glucose as carbon source and simultaneously chemical polymerization of 3,4-ethylenedioxythiophene (EDOT) in the presence of Si@SiO2 nanoparticles, and followed by carbonization and removal of the SiO2 layer. The results showed that the Si nanoparticles were embedded in the S-doped-carbon buffer space to form a core-shell structure. Compared to the Si/carbon composite (Si/v-C) without S-doping in carbon layer, the Si/v-SC composite electrode showed improved cycling and rate performance, exhibiting a reversible capacity of 664 mA h g(-1) over 300 cycles at the current of 0.4 A g(-1) and a high capacity of 537 mA h g(-1) even at 10 A g(-1). The effects of S-doping on the properties of carbon material were further investigated. XRD and Raman test revealed that the S-doping increased the interspace of carbon crystal face, and improved the amorphous structure of carbon and thus the initial coulombic efficiency.
WOS关键词HIGH-CAPACITY ANODE ; STORAGE PERFORMANCE ; LITHIUM STORAGE ; SILICON ; NANOCOMPOSITES ; NANOSTRUCTURES ; NANOSPHERES ; GRAPHENE ; SULFUR ; SIZE
语种英语
WOS记录号WOS:000393748600004
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China(21573239) ; Guangdong Provincial Project for Science Technology(2014TX 01N014/2014A050503050/2015B010135008) ; Guangzhou Municipal Project for Science Technology(2014Y2-00219/201509010018) ; Wong Education Foundation
源URL[http://ir.giec.ac.cn/handle/344007/14030]  
专题中国科学院广州能源研究所
通讯作者Zhang, Lingzhi
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
2.Guangzhou Inst Energy Testing, Guangzhou 510170, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, 19 Yu Quan Rd, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Shao, Dan,Smolianova, Inna,Tang, Daoping,et al. Novel core-shell structured Si/S-doped-carbon composite with buffering voids as high performance anode for Li-ion batteries[J]. RSC ADVANCES,2017,7(5):2407-2414.
APA Shao, Dan,Smolianova, Inna,Tang, Daoping,&Zhang, Lingzhi.(2017).Novel core-shell structured Si/S-doped-carbon composite with buffering voids as high performance anode for Li-ion batteries.RSC ADVANCES,7(5),2407-2414.
MLA Shao, Dan,et al."Novel core-shell structured Si/S-doped-carbon composite with buffering voids as high performance anode for Li-ion batteries".RSC ADVANCES 7.5(2017):2407-2414.

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来源：广州能源研究所

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