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MXene Enables Stable Solid-Electrolyte Interphase for Si@MXene Composite with Enhanced Cycling Stability
Zhou, Hao1,2; Cui, Cong1,2; Cheng, Renfei1,2; Yang, Jinxing1,2; Wang, Xiaohui1
Corresponding AuthorWang, Xiaohui(wang@imr.ac.cn)
2021-08-13
Source PublicationCHEMELECTROCHEM
ISSN2196-0216
Volume8Issue:16Pages:3089-3094
AbstractSilicon (Si) has been gaining considerable attention in the field of Li-ion batteries although unstable solid-electrolyte interphase (SEI), extreme volume changes and inferior conductivity hinder its practical application. Herein, ultrasonic-assisted electrostatic self-assembly of fluidic colloidal coprecipitation of MXene wrapped Si nanoparticles (Si@MXene) is proposed. Utilizing the natural negatively charged MXene to capture positive-charged Si nanoparticles, the homogeneous Ti3C2Tx MXene coating on Si nanoparticles prevents the nanoparticles from directly contacting the electrolyte and thus enables the formation of a stable SEI film on the composite particulates. Due to the elimination of unstable solid-electrolyte interphase on the surface of Si nanoparticles, Si@MXene delivers high capacity and excellent retention stability of 94 % after 100 cycles. The strategy demonstrated here offers the rational design of MXene-coated Si anodes with high capacity and superior cycling stability.
KeywordSi anode Ti3C2Tx MXene porous structure electrolyte barrier layer self-assembly
DOI10.1002/celc.202100878
Indexed BySCI
Language英语
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000690902400015
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166858
Collection中国科学院金属研究所
Corresponding AuthorWang, Xiaohui
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Hao,Cui, Cong,Cheng, Renfei,et al. MXene Enables Stable Solid-Electrolyte Interphase for Si@MXene Composite with Enhanced Cycling Stability[J]. CHEMELECTROCHEM,2021,8(16):3089-3094.
APA Zhou, Hao,Cui, Cong,Cheng, Renfei,Yang, Jinxing,&Wang, Xiaohui.(2021).MXene Enables Stable Solid-Electrolyte Interphase for Si@MXene Composite with Enhanced Cycling Stability.CHEMELECTROCHEM,8(16),3089-3094.
MLA Zhou, Hao,et al."MXene Enables Stable Solid-Electrolyte Interphase for Si@MXene Composite with Enhanced Cycling Stability".CHEMELECTROCHEM 8.16(2021):3089-3094.
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