Characterisation of olivine-type LiMnxFe1-xPO4 cathode materials

A series of LiMnxFe1-xPO4 (x=,0.,0.,0.,0.,0.9, 1) compounds were synthesised by a sol-gel preparation route. X-ray diffraction and Rietveld structure refinement revealed that the lattice parameters (a, b and c) of orthorhombic LiMnIFei_j:P04 increase with increasing Mn content. Magnetic susceptibili...

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Published inJournal of alloys and compounds Vol. 425; no. 1-2; pp. 362 - 366
Main Authors YAO, J, BEWLAY, S, KONSTANTIONV, K, DROZD, V. A, LIU, R. S, WANG, X. L, LIU, H. K, WANG, G. X
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier 30.11.2006
Subjects
Chemistry
Electrochemistry
Electrodes: preparations and properties
Exact sciences and technology
General and physical chemistry
Antiferromagnetism
Phosphates
Magnetic property
Lithium-ion battery
Cathode
LiMnxFe1-xPO4 compounds
Lattice parameters
X ray diffraction
Magnetic susceptibility
Lithium battery
Cyclic voltammetry
Electrochemical properties
Sol gel process
Preparation
Chemical composition
Performance
Cathode materials
Magnetic properties
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Summary:A series of LiMnxFe1-xPO4 (x=,0.,0.,0.,0.,0.9, 1) compounds were synthesised by a sol-gel preparation route. X-ray diffraction and Rietveld structure refinement revealed that the lattice parameters (a, b and c) of orthorhombic LiMnIFei_j:P04 increase with increasing Mn content. Magnetic susceptibility measurements show antiferromagnetic behaviour for LiMnxFe1-xPO4 samples. The electrochemical properties of LiMnxFe1-xPO4 as cathodes in lithium-ion cells were tested via cyclic voltammetry and galvanostatic charge/discharge measurements. The electrochemical performance of LiMnxFe1-xPO4 degrades with increasing Mn content.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2006.01.038