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Synthesis of SiOx/C composite with dual interface as Li-ion battery anode material
Liu, Yanxia1,2; Ruan, Jingjing1; Liu, Fan1; Fan, Yameng1; Wang, Pu1
2019-09-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume802Pages:704-711
AbstractA dual interface SiOx/C composite is prepared through a novel, facial, one-step route by redox reaction of organic carbon with silica precursor, using tetraethyl orthosilicate (TEOS) and sucrose as raw material, in which sucrose acts as both a reductant and coated carbon. HRTEM indicates that the composite has a dual interface structure with carbon coating layer and intermediate layer. Crystalline Si approximately 3 nm-20 nm in size is dispersed in amorphous silicon oxide matrix. The SiOx/C is utilized in LIB as anode material and exhibits a high reversible specific capacity of 755 mA h ga(-1) after 300 cycles at 100 mA ga(-1) with capacity retention about 91%. Such outstanding cycling stability can be ascribed to the intermediate layer and carbon scaffold, which serve as a buffering to relieve volume change of produced Si upon cycles. (C) 2019 Published by Elsevier B.V.
KeywordSilicon oxide anode Dual interface structure Carbon Lithium ion batteries
DOI10.1016/j.jallcom.2019.06.072
Language英语
WOS KeywordSCALABLE SYNTHESIS ; CARBON COMPOSITE ; SUPPORTED SIOX ; C COMPOSITE ; PERFORMANCE ; NANOCOMPOSITE ; NANOSPHERES ; FABRICATION ; PYROLYSIS ; MECHANISM
Funding ProjectMajor Science and Technology Projects of Zhengzhou[174PZDZX570] ; Science and Technology Planning Project of Henan[182106000022] ; Science and Technology Planning Project of Henan[182102310802]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationMajor Science and Technology Projects of Zhengzhou ; Science and Technology Planning Project of Henan
WOS IDWOS:000474567000078
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30176
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Yanxia
Affiliation1.Zhengzhou Inst Emerging Ind Technol, Zhengzhou Key Lab Energy Storage Sci & Technol, Zhengzhou 45000, Henan, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yanxia,Ruan, Jingjing,Liu, Fan,et al. Synthesis of SiOx/C composite with dual interface as Li-ion battery anode material[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,802:704-711.
APA Liu, Yanxia,Ruan, Jingjing,Liu, Fan,Fan, Yameng,&Wang, Pu.(2019).Synthesis of SiOx/C composite with dual interface as Li-ion battery anode material.JOURNAL OF ALLOYS AND COMPOUNDS,802,704-711.
MLA Liu, Yanxia,et al."Synthesis of SiOx/C composite with dual interface as Li-ion battery anode material".JOURNAL OF ALLOYS AND COMPOUNDS 802(2019):704-711.
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