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Silicon nanoparticles prepared from industrial wastes as high-performing anode materials for lithium ion batteries
He, Qian1,2; Yu, Jing2; Wang, Yanhong2,3; Zhong, Ziyi4; Jiang, Jiaxing1; Su, Fabing2,3,5
2018-11-01
Source PublicationSOLID STATE IONICS
ISSN0167-2738
Volume325Pages:141-147
Abstract

Silicon (Si) nanostructures are considered to be the most promising anode materials for next-generation lithium batteries (LIBs) because of the very high theoretical capacity of Si. However, how to achieve a large-scale and cost-effective manufacture of them is still a big challenge. In this work, we report a facile and scalable method for preparation of two crystalline Si nanoparticle samples of 3P-2h (derived from a mixture of Cu, CuO and Cu2O catalyst) and S21-2h (derived from Cu2O catalyst). These Si samples are extracted from the wastes after reacting a metallurgical-grade Si with hydrogen chloride (HCl) gas catalyzed by the Cu catalysts. The latter is the typical industrial process used for production of organosilane monomers. The synthesized Si nanoparticles had a size of 100-300 nm. When used as anode materials for lithium ion batteries, 3P-2h delivered a reversible capacity of 636 mAh g(-1) while S21-2h showed a reversible capacity of 529 mAh g(-1) at 50 mA g(-1) after 50 cycles, better than that of the bulk Si sample. These improved electrochemical properties are attributed to the formed nanostructure and the void spaces among the Si nanoparticles which can buffer the volume expansion and shorten the diffusion path of Li-ion. This work demonstrates the feasibility for a facile, green and scalable preparation of Si nanoparticles as high-performing anode material from industrial waste.

KeywordAnode Materials Lithium Ion Batteries Organosilane Monomers Hydrogen Chloride Gas Si Nanoparticles
DOI10.1016/j.ssi.2018.08.001
Language英语
WOS KeywordLong-cycle-life ; Scalable Synthesis ; Amorphous-silicon ; Si Nanoparticles ; Thermal Plasma ; Thin-films ; Carbon ; Electrodes ; Nanospheres ; Stability
Funding ProjectNational Natural Science Foundation of China[51772295]
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000449131900019
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26581
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Yanhong; Jiang, Jiaxing; Su, Fabing
Affiliation1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Key Lab Macromol Sci Shaanxi Prov, Xian 710062, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Zhongke Langfang Inst Proc Engn, Langfang Econ & Tech Dev Zone, Fenghua Rd 1, Langfang 065001, Hebei, Peoples R China
4.GTIIT, Coll Engn, 243 Daxue Rd, Jinping District 515063, Shantou, Peoples R China
5.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
He, Qian,Yu, Jing,Wang, Yanhong,et al. Silicon nanoparticles prepared from industrial wastes as high-performing anode materials for lithium ion batteries[J]. SOLID STATE IONICS,2018,325:141-147.
APA He, Qian,Yu, Jing,Wang, Yanhong,Zhong, Ziyi,Jiang, Jiaxing,&Su, Fabing.(2018).Silicon nanoparticles prepared from industrial wastes as high-performing anode materials for lithium ion batteries.SOLID STATE IONICS,325,141-147.
MLA He, Qian,et al."Silicon nanoparticles prepared from industrial wastes as high-performing anode materials for lithium ion batteries".SOLID STATE IONICS 325(2018):141-147.
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