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Preparation and electrochemical performance of carbon-coated LiFePO4/LiMnPO4-positive material for a Li-ion battery
Tan, Qiangqiang1; Yan, Bo1,2; Xu, Yuxing1; Chen, Yunfa1; Yang, Jun1
2017-02-01
Source PublicationPARTICUOLOGY
ISSN1674-2001
Volume30Pages:144-150
Abstract

Lithium iron phosphate (LiFePO4)/lithium manganese phosphate (LiMnPO4)-positive material was successfully prepared through ball milling and high-temperature sintering using manganese acetate, lithium hydroxide, ammonium dihydrogen phosphate, and ferrous oxalate as raw materials. The as-prepared samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, a constant current charge-discharge test, cyclic voltammetry, and electrochemical impedance spectroscopy. The effects of lithium iron phosphate coating were also discussed. Because of its special core-shell structure, the as-prepared LiMn(0.)7Fe(0.3)PO(4)-LiFePO4-C exhibits excellent electrochemical performance. The discharge capacity reached 136.6 mAh/g and the specific discharge energy reached 506.9 Wh/kg at a rate of 0.1 C. (C) 2016 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

KeywordLimn1-xfexpo4 Composite Core-shell Structure Positive Material Li-ion Battery
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.partic.2016.05.008
Indexed BySCI
Language英语
WOS KeywordLimn1-xfexpo4/c Cathode Materials ; Rechargeable Lithium Batteries ; Electrode Materials ; Fe ; Limnpo4 ; Mn
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
Funding OrganizationKnowledge Innovation Program of the Chinese Academy of Sciences(KGCX2-YW-341) ; National Natural Science Foundation of China(21376247 ; 21573240)
WOS IDWOS:000394074200014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21951
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tan, Qiangqiang,Yan, Bo,Xu, Yuxing,et al. Preparation and electrochemical performance of carbon-coated LiFePO4/LiMnPO4-positive material for a Li-ion battery[J]. PARTICUOLOGY,2017,30:144-150.
APA Tan, Qiangqiang,Yan, Bo,Xu, Yuxing,Chen, Yunfa,&Yang, Jun.(2017).Preparation and electrochemical performance of carbon-coated LiFePO4/LiMnPO4-positive material for a Li-ion battery.PARTICUOLOGY,30,144-150.
MLA Tan, Qiangqiang,et al."Preparation and electrochemical performance of carbon-coated LiFePO4/LiMnPO4-positive material for a Li-ion battery".PARTICUOLOGY 30(2017):144-150.
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