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Scalable synthesis of a dual-confined SiO/one-dimensional carbon/amorphous carbon anode based on heterogeneous carbon structure evolution
Shi, Hebang1,2; Shao, Guoqiang1; Wu, Binbin3; Yang, Zongxian1,2; Zhang, Huigang1,2; Lv, Pengpeng1,2; Zhu, Qingshan1,2
2021-11-30
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume9Issue:46Pages:26236-26247
AbstractThe modification of dual carbon-confined structures formed by one-dimensional carbon (1D-C) and amorphous carbon (a-C) exhibits great potential for improving the cycling stability of SiO anodes. To prepare the ideal dual confined structure through a continuous in situ deposition process, we have revealed the evolution law of the heterogeneous carbon structure from 1D-C to a-C through systematic kinetic experiments based on the gradual transformation of catalyst activity in the deposition process. Inspired by this law, a unique one-step deposition process was proposed to prepare the dual confined SiO/1D-C/a-C composites. The conductive network constructed by 1D-C and the stable dynamic interface composed of onion-like a-C completely encapsulated the SiO particles, which ensured the superior electrical contact of the particles during cycling and effectively avoided the electrode pulverization. Therefore, the resultant SiO/1D-C/a-C composite showed excellent cycling stability with a specific reversible capacity of 1006 mA h g(-1), even after 250 cycles (capacity retention of 82.1%). Furthermore, the continuous one-step deposition process brought great possibilities for the large-scale production of SiO/1D-C/a-C.
DOI10.1039/d1ta07821f
Language英语
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; CO-H2-H2O GAS-MIXTURES ; HIGH-PERFORMANCE ANODE ; FLUIDIZED-BED ; CATALYST DEACTIVATION ; SILICON ANODE ; CO FOILS ; NANOTUBES ; GROWTH ; COMPOSITE
Funding ProjectNational Natural Science Foundation of China[22178363]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000719504400001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51178
Collection中国科学院过程工程研究所
Corresponding AuthorLv, Pengpeng; Zhu, Qingshan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
3.Shandong Tianan Huali New Mat Technol Co Ltd, Jining 272000, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Shi, Hebang,Shao, Guoqiang,Wu, Binbin,et al. Scalable synthesis of a dual-confined SiO/one-dimensional carbon/amorphous carbon anode based on heterogeneous carbon structure evolution[J]. JOURNAL OF MATERIALS CHEMISTRY A,2021,9(46):26236-26247.
APA Shi, Hebang.,Shao, Guoqiang.,Wu, Binbin.,Yang, Zongxian.,Zhang, Huigang.,...&Zhu, Qingshan.(2021).Scalable synthesis of a dual-confined SiO/one-dimensional carbon/amorphous carbon anode based on heterogeneous carbon structure evolution.JOURNAL OF MATERIALS CHEMISTRY A,9(46),26236-26247.
MLA Shi, Hebang,et al."Scalable synthesis of a dual-confined SiO/one-dimensional carbon/amorphous carbon anode based on heterogeneous carbon structure evolution".JOURNAL OF MATERIALS CHEMISTRY A 9.46(2021):26236-26247.
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