CAS OpenIR
alpha-MoO3 sheets with high exposed plane reinforced by thermal plasma for stable Li-ion storage
Du, Yu1,2; He, Jiaping1; Hou, Guolin1; Yuan, Fangli1,3
2020-02-20
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume334Pages:10
Abstract

Synthesize particular structural material is an effective way to improve the performances of conversion mechanism materials for lithium ion batteries (LIBs), as there are inevitable huge volume expansion and severe concentration of granular material during the structure conversion process while Li+ insertion and extraction for charge-discharge, which lead to particles crack and performance deterioration. Here, we design special alpha-MoO3 sheets with high exposure of (110) crystal plane enhanced by thermal plasma in one-pot method and scale production (0.6-1 kg/h, 10 kW). Ex-situ High-resolution transmission electron microscopy (HRTEM) and ab initio density functional theory (DFT) calculations indicate that alpha-MoO3 sheets with high exposure of (110) crystal plane could deliver more sites and channels for Li+ insertion, accommodate small volume changes, and generate a thin and stable solid electrolyte interphase (SEI) layers. As an anode material for LIBs, the MoO3 sheets exhibit impressive results with capacity of 700 mAh g(-1) for 200 cycles, a relatively excellent Initial Coulombic Efficiency (ICE) of 70%, and high rate capability (500 mAh g(-1), 3C rate). These experimental results provide a novel perspective for developing progressive transitional metal oxide on basis of conversion mechanism. (C) 2020 Elsevier Ltd. All rights reserved.

KeywordLi-ion Batteries Moo3 Exposed Plane Thermal Plasma Negative Materials
DOI10.1016/j.electacta.2019.135593
Language英语
WOS KeywordExcellent Rate Capability ; Cathode Material ; Lithium Battery ; Anode Material ; Electrochemical Properties ; Electrode Materials ; Moo3 Nanosheets ; Energy-storage ; High-capacity ; Performance
Funding ProjectNational Natural Science Foundation of China (NSFC)[21805282] ; National Natural Science Foundation of China (NSFC)[11535003] ; Beijing Natural Science Foundation (BNSF)[2184126]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Beijing Natural Science Foundation (BNSF)
WOS IDWOS:000508560000048
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39182
Collection中国科学院过程工程研究所
Corresponding AuthorHou, Guolin; Yuan, Fangli
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Zhongguancun Beiertiao 1 Hao, Beijing 100190, Peoples R China
2.UCAS, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.UCAS, Ctr Mat Sci & Optoelect Engn, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Du, Yu,He, Jiaping,Hou, Guolin,et al. alpha-MoO3 sheets with high exposed plane reinforced by thermal plasma for stable Li-ion storage[J]. ELECTROCHIMICA ACTA,2020,334:10.
APA Du, Yu,He, Jiaping,Hou, Guolin,&Yuan, Fangli.(2020).alpha-MoO3 sheets with high exposed plane reinforced by thermal plasma for stable Li-ion storage.ELECTROCHIMICA ACTA,334,10.
MLA Du, Yu,et al."alpha-MoO3 sheets with high exposed plane reinforced by thermal plasma for stable Li-ion storage".ELECTROCHIMICA ACTA 334(2020):10.
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