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Graphite microspheres decorated with Si particles derived from waste solid of organosilane industry as high capacity anodes for Li-ion batteries
Yu, Jing1,2; Zhan, Hanhui1; Wang, Yanhong2; Zhang, Zailiei2; Chen, Han2; Li, Hong3; Zhong, Ziyi4; Su, Fabing2
2013-04-15
Source PublicationJOURNAL OF POWER SOURCES
Volume228Issue:0Pages:112-119
AbstractWe report the decoration of commercial graphite microspheres (GMs) with Si particles as anode materials for Li-ion batteries. The Si particles are obtained from solid Si waste of organosilane industry that is acid-washed to remove the impurities and further ground. The GMs with a size of 5-40 mu m as main active material, Si particles with a size of 1-10 mu m as an additive, and sucrose dissolved in water as a binder are mixed and followed by carbonization to obtain Si/C composites containing graphite, Si, and amorphous carbon generated from sucrose. It is found that the composite containing 60.5 wt% of GMs, 22.1 wt% of Si, and 17.4 wt% of amorphous carbon obtained at 800 degrees C for 5 h shows the best electrochemical performance with a specific capacity of 522.6 mA h g(-1) at the current density of 50 mA g(-1) and 306.9 mA h g(-1) at 500 mA g(-1), much higher than those of GMs. Its capacity retention at 500 mA g(-1) attains 93.9% after 20 cycles. The work demonstrates the possibility for utilization of the industrial Si waste to enhance graphite anode materials in Li-ion batteries. (C) 2012 Elsevier B.V. All rights reserved.
KeywordSilicon Waste Graphite Silicon/carbon Composite Anode Lithium-ion Batteries Electrochemical Performance
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordLITHIUM RECHARGEABLE BATTERIES ; SILICON NANOWIRE ANODES ; CARBON-COATED SI ; STORAGE PERFORMANCE ; NEGATIVE ELECTRODES ; COMPOSITE ANODES ; NANOCOMPOSITES ; NANOPARTICLES ; STABILITY ; FILMS
WOS Research AreaElectrochemistry ; Energy & Fuels
WOS SubjectElectrochemistry ; Energy & Fuels
WOS IDWOS:000315318700015
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13746
Collection研究所(批量导入)
Affiliation1.China Univ Min & Technol, Sch Environm Sci & Spatial Informat, Xuzhou 221116, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
4.ASTAR, Inst Chem Engn & Sci, Singapore 627833, Singapore
Recommended Citation
GB/T 7714
Yu, Jing,Zhan, Hanhui,Wang, Yanhong,et al. Graphite microspheres decorated with Si particles derived from waste solid of organosilane industry as high capacity anodes for Li-ion batteries[J]. JOURNAL OF POWER SOURCES,2013,228(0):112-119.
APA Yu, Jing.,Zhan, Hanhui.,Wang, Yanhong.,Zhang, Zailiei.,Chen, Han.,...&Su, Fabing.(2013).Graphite microspheres decorated with Si particles derived from waste solid of organosilane industry as high capacity anodes for Li-ion batteries.JOURNAL OF POWER SOURCES,228(0),112-119.
MLA Yu, Jing,et al."Graphite microspheres decorated with Si particles derived from waste solid of organosilane industry as high capacity anodes for Li-ion batteries".JOURNAL OF POWER SOURCES 228.0(2013):112-119.
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