Effect of sintering temperature on electrochemical performance of LiFe0·4Mn0·6PO4/C cathode materials

Huang,YP, Li,X, Chen,Z, Wu,Y, Chen,Y, Kuang,CJ and Zhou,SX 2014, Effect of sintering temperature on electrochemical performance of LiFe0·4Mn0·6PO4/C cathode materials, Materials Research Innovations (Print), vol. 18, no. S4, pp. s42-s45, doi: 10.1179/1432891714Z.000000000664.

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Title Effect of sintering temperature on electrochemical performance of LiFe0·4Mn0·6PO4/C cathode materials
Author(s) Huang,YP
Chen,YORCID iD for Chen,Y orcid.org/0000-0002-7322-2224
Journal name Materials Research Innovations (Print)
Volume number 18
Issue number S4
Start page s42
End page s45
Total pages 7
Publisher Maney Publishing
Place of publication West Yorks, England
Publication date 2014-07
ISSN 1432-8917
Keyword(s) Cyclic voltammetry
Electrochemical properties
Lithium ion battery
Sintering temperature
Science & Technology
Materials Science, Multidisciplinary
Materials Science
Summary Carbon coated LiFe0·4Mn0·6PO4 (LiFe0·4Mn0·6PO4/C) was synthesised using high energy ball milling and annealing processes. The starting materials of Li2C2O4, FeC2O4.2H2O, MnC2O4.2H2O, NH4H2PO4 were firstly milled for 40 h, and followed by further milling for 5 h after adding glucose solution. The milled sample was heated at different temperatures (550, 600, 650 and 700°C) for 10 h to produce LiFe0·4Mn0·6PO4/C composites. The structure and morphology of the samples were investigated using X-ray diffraction, field emission scanning electron microscopy, and high resolution electron microscopy. The phase of samples annealed at 550 and 600°C mainly consists of olivine type LiFePO4, but a small amount of Fe2P impurity phase is formed in the samples annealed at 650 and 700°C. Electrochemical analysis results show that LiFe0·4Mn0·6PO4/C synthesised at 600°C exhibits the best performance with the initial discharge capacity of 128 mAh g-1 at 0·1 C, and 109 mAh g-1 at 1 C after 500 cycles. The LiFe0·4Mn0·6PO4/C exhibits excellent electrochemical properties for high energy density lithium ion batteries.
Language eng
DOI 10.1179/1432891714Z.000000000664
Field of Research 100708 Nanomaterials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C4 Letter or note
ERA Research output type C Journal article
Copyright notice ©2014, Maney Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070433

Document type: Journal Article
Collections: Institute for Frontier Materials
GTP Research
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