Journal article
Synthetic strategies for better battery performance through advances in materials and chemistry: Olivine LiMn1/3Co1/3Ni1/3PO4
Journal of Alloys and Compounds, Vol.544, pp.62-66
2012
Abstract
Olivine LiMn 1/3Co 1/3Ni 1/3PO 4 powder synthesized via wet chemistry route sol-gel and combustion showed desirable features like reduced particles size with conductive coatings on the surface and well cation ordering with respect to the traditional solid state reaction. The morphological homogeneity is achieved through complexing agents employed (chelating agent/fuel) resulting in high pure material even for substitution of multi divalent cations (Co and Mn) for Ni in LiNiPO 4. The low sintering temperature prevents the particle agglomeration without any compromise on the degree of crystallinity. The experimental conditions are very similar for both sol-gel and combustion, except for the reaction inducers (chelating agent and fuel) that influenced the composition and the particle size between them. The mixed transition-metal olivine (LiMn 1/3Co 1/3Ni 1/3PO 4) cathodes synthesized by sol-gel and combustion methods are compared and their electrochemical properties are discussed. Structural analyses of the synthesized samples showed substitution of mixed cations crystallizes in the olivine structure. The improved morphology achieved for combustion synthesis resulted in better specific capacity with good capacity retention than for the sol-gel counterpart.
Details
- Title
- Synthetic strategies for better battery performance through advances in materials and chemistry: Olivine LiMn1/3Co1/3Ni1/3PO4
- Authors/Creators
- M. Minakshi (Author/Creator)S. Kandhasamy (Author/Creator)D. Meyrick (Author/Creator)
- Publication Details
- Journal of Alloys and Compounds, Vol.544, pp.62-66
- Publisher
- Elsevier B.V.
- Identifiers
- 991005544773607891
- Copyright
- © 2012 Elsevier B.V.
- Murdoch Affiliation
- School of Chemical and Mathematical Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.62 Electrochemistry
- 2.62.138 Lithium-Ion Battery
- Web Of Science research areas
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Metallurgy & Metallurgical Engineering
- ESI research areas
- Materials Science