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Electrochemical performance of LiFe1-xMnxPO4/C materials prepared by ball milling

Huang,YP, Chen,Z, Wu,Y, Kuang,CJ, Chen,Y and Zhou,SX 2014, Electrochemical performance of LiFe1-xMnxPO4/C materials prepared by ball milling, Maney Publishing, vol. 18, no. S4, pp. 46-49, doi: 10.1179/1432891714Z.000000000639.

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Title Electrochemical performance of LiFe1-xMnxPO4/C materials prepared by ball milling
Author(s) Huang,YP
Chen,Z
Wu,Y
Kuang,CJ
Chen,YORCID iD for Chen,Y orcid.org/0000-0002-7322-2224
Zhou,SX
Journal name Maney Publishing
Volume number 18
Issue number S4
Start page 46
End page 49
Total pages 4
Publisher Maney Publishing
Place of publication Leeds, United Kingdom
Publication date 2014
ISSN 1432-8917
1433-075X
Keyword(s) Ball-milling
Electrochemical performance
LiFe1-xMnxPO4/C
Lithium-ion battery
Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
LITHIUM-ION BATTERIES
PHOSPHO-OLIVINES
ROOM-TEMPERATURE
LIFEPO4
LIXFEPO4
LIMNPO4
Summary LiFe1-xMnxPO4/C composite materials as cathode materials in Li-ion batteries have been synthesised and their electrochemical properties have been investigated. The samples were synthesised by using high energy ball milling of commercially available precursors (Li2C2O4, FeC2O4.2H2O, MnC2O4.2H2O, NH4H2PO4) and then heated at 600°C. The morphology and structure of the heated samples were analysed by means of SEM and X-ray diffraction. The olivine structure of the LiFe1-xMnxPO4/C composite was obtained. A slight shift of the peaks to smaller 2θ angles with the increasing Mn/Fe ratios is observed due to the increase in lattice parameters. The influence of different Mn/Fe ratios on electrical and electrochemical performances were studied by charge-discharge and cyclic voltammetry (CV) testing. The CV curves of the pure LiFePO4 and LiMnPO4 show the expected Fe2+/Fe3+ peak around 3·5 V and Mn2+/Mn3+ peak around 4·1 V, respectively. The addition of manganese increases the discharge voltage from 3·5 to 4·1 V.
Language eng
DOI 10.1179/1432891714Z.000000000639
Field of Research 030604 Electrochemistry
Socio Economic Objective 850199 Energy Exploration not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Maney Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070434

Document type: Journal Article
Collection: Institute for Frontier Materials
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