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Preparation of porous silicon/carbon microspheres as high performance anode materials for lithium ion batteries
Ren, Wenfeng1,2; Zhang, Zailei1; Wang, Yanhong1; Tan, Qiangqiang1; Zhong, Ziyi3; Su, Fabing1
2015
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume3Issue:11Pages:5859-5865
Abstract

We report the preparation of porous silicon/carbon microspheres (GPSCMs) by the ball milling and spray drying methods followed by carbonization and chemical vapor deposition processes, in which, the waste fine graphitized needle coke and silicon nanoparticles were employed as the carbon and silicon sources respectively, and sucrose as the binder. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption, thermogravimetric analysis, and Raman spectroscopy. It was found that GPSCMs had spherical sizes of 8-30 mu m and surface areas between 20 and 90 m(2) g(-1). When used as the anode materials for lithium ion batteries, the average charge capacity was 589 mA h g(-1) at a current density of 50 mA g(-1), much higher than that of the commercial graphite microspheres (GMs). Furthermore, GPSCMs exhibited much better rate performance than the commercial GMs, making them promising for use as the next generation anode materials in lithium ion batteries.

KeywordHigh-capacity Scalable Synthesis Electrochemical Properties Graphite Microspheres Carbon Nanotubes Nanoparticles Composite Electrodes Lithiation Nanosheets
SubtypeArticle
Subject AreaChemistry ; Energy & Fuels ; Materials Science
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1039/c4ta07093c
Indexed BySCI
Language英语
WOS KeywordHigh-capacity ; Scalable Synthesis ; Electrochemical Properties ; Graphite Microspheres ; Carbon Nanotubes ; Nanoparticles ; Composite ; Electrodes ; Lithiation ; Nanosheets
Funding ProjectNational Natural Science Foundation of China [51272252, 51402302, 51402299] ; Hundred Talents Program of the Chinese Academy of Sciences
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000350886600015
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13843
Collection研究所(批量导入)
Corresponding AuthorTan, Qiangqiang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.ASTAR, Inst Chem Engn & Sci, Jurong Isl 627833, Singapore
Recommended Citation
GB/T 7714
Ren, Wenfeng,Zhang, Zailei,Wang, Yanhong,et al. Preparation of porous silicon/carbon microspheres as high performance anode materials for lithium ion batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(11):5859-5865.
APA Ren, Wenfeng,Zhang, Zailei,Wang, Yanhong,Tan, Qiangqiang,Zhong, Ziyi,&Su, Fabing.(2015).Preparation of porous silicon/carbon microspheres as high performance anode materials for lithium ion batteries.JOURNAL OF MATERIALS CHEMISTRY A,3(11),5859-5865.
MLA Ren, Wenfeng,et al."Preparation of porous silicon/carbon microspheres as high performance anode materials for lithium ion batteries".JOURNAL OF MATERIALS CHEMISTRY A 3.11(2015):5859-5865.
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