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Mesoporous Spinel Li4Ti5O12 Nanoparticles for High Rate Lithium-ion Battery Anodes
Liu, Weijian1; Shao, Dan1,2; Luo, Guoen1; Gao, Qiongzhi1; Yan, Guangjie1; He, Jiarong1; Chen, Dongyang3; Yu, Xiaoyuan1; Fang, Yueping1
2014-07-01
Source PublicationELECTROCHIMICA ACTA
Volume133Pages:578-582
AbstractMesoporous spinel lithium titanate (Li4Ti5O12) nanoparticles with the diameter of 40 +/- 5 nm and the pore-size distribution of 6 - 8 nm were prepared by a simple hydrothermal method. As an anode material for lithium-ion batteries, these spinel Li4Ti5O12 mesoporous nanoparticles exhibited desirable lithium storage properties with an initial discharge capacity of 176 mAh g(-1) at 1 C rate and a capacity of approximately 145 mAh g(-1) after 200 cycles at a high rate of 20 C. These excellent electrochemical properties at high charge/discharge rates are due to the mesoporous nano-scale structures with small size particles, uniform mesopores and larger electrode/electrolyte contact area, which shortens the diffusion path for both electrons and Li+ ions, and offers more active sites for Li+ insertion-extraction process. (C) 2014 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordLithium Titanate Mesoporous Structure Nanoparticle Anode Material Lithium-ion Battery
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2014.04.072
WOS Subject ExtendedElectrochemistry
WOS KeywordSTORAGE ; CAPABILITY ; TITANATE
Indexed BySCI
Language英语
WOS SubjectElectrochemistry
WOS IDWOS:000337985800073
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10733
Collection中国科学院广州能源研究所
Affiliation1.South China Agr Univ, Coll Sci, Inst Biomat, Guangzhou 510642, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
Recommended Citation
GB/T 7714
Liu, Weijian,Shao, Dan,Luo, Guoen,et al. Mesoporous Spinel Li4Ti5O12 Nanoparticles for High Rate Lithium-ion Battery Anodes[J]. ELECTROCHIMICA ACTA,2014,133:578-582.
APA Liu, Weijian.,Shao, Dan.,Luo, Guoen.,Gao, Qiongzhi.,Yan, Guangjie.,...&Fang, Yueping.(2014).Mesoporous Spinel Li4Ti5O12 Nanoparticles for High Rate Lithium-ion Battery Anodes.ELECTROCHIMICA ACTA,133,578-582.
MLA Liu, Weijian,et al."Mesoporous Spinel Li4Ti5O12 Nanoparticles for High Rate Lithium-ion Battery Anodes".ELECTROCHIMICA ACTA 133(2014):578-582.
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