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Crystal structure refinement of Li2FeSiO4 cathode material

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2013
391.pdf (53.66Kb)
Authors
Jugović, Dragana
Mitrić, Miodrag
Milović, Miloš
Jokić, Bojan
Uskoković, Dragan
Conference object (Published version)
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Abstract
Recently lithium iron orthosilicate, Li2FeSiO4, has been found to display attractive electrochemical properties when used as cathode material. Because its constituent elements are non-toxic, low-cost and abundant, it is also attractive system from the standpoint of environmental sustainability. Li2FeSiO4 compounds are known to exhibit a rich polymorphism and several crystal structures have been reported in the literature. Due to its complex polymorphism it is still a challenge obtaining a phase pure material. Here we report the properties of pure Li2FeSiO4 obtained by solid-state reaction at 750 °C. It was found that Li2FeSiO4 crystallizes in monoclinic P21/n space group. In this structure one set of LiO4 tetrahedra are arranged in edge sharing pairs with FeO4 tetrahedra, while the other set of LiO4 tetrahedra forms edge sharing pairs with itself. In addition, galvanostatically cycled material was characterized in terms of structural and transport properties.
Keywords:
Li2FeSiO4 / cathode materials / lithium iron orthosilicate / crystal structure
Source:
The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts, 2013, 75-75
Publisher:
  • Belgrade : Materials Research Society of Serbia
Projects:
  • Molecular designing of nanoparticles with controlled morphological and physicochemical characteristics and functional materials based on them (RS-45004)
[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/394
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Jugović, Dragana
AU  - Mitrić, Miodrag
AU  - Milović, Miloš
AU  - Jokić, Bojan
AU  - Uskoković, Dragan
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/394
AB  - Recently lithium iron orthosilicate, Li2FeSiO4, has been found to display attractive electrochemical properties when used as cathode material. Because its constituent elements are non-toxic, low-cost and abundant, it is also attractive system from the standpoint of environmental sustainability. Li2FeSiO4 compounds are known to exhibit a rich polymorphism and several crystal structures have been reported in the literature. Due to its complex polymorphism it is still a challenge obtaining a phase pure material. Here we report the properties of pure Li2FeSiO4 obtained by solid-state reaction at 750 °C. It was found that Li2FeSiO4 crystallizes in monoclinic P21/n space group. In this structure one set of LiO4 tetrahedra are arranged in edge sharing pairs with FeO4 tetrahedra, while the other set of LiO4 tetrahedra forms edge sharing pairs with itself. In addition, galvanostatically cycled material was characterized in terms of structural and transport properties.
PB  - Belgrade : Materials Research Society of Serbia
C3  - The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts
T1  - Crystal structure refinement of Li2FeSiO4 cathode material
SP  - 75
EP  - 75
ER  - 
@conference{
author = "Jugović, Dragana and Mitrić, Miodrag and Milović, Miloš and Jokić, Bojan and Uskoković, Dragan",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/394",
abstract = "Recently lithium iron orthosilicate, Li2FeSiO4, has been found to display attractive electrochemical properties when used as cathode material. Because its constituent elements are non-toxic, low-cost and abundant, it is also attractive system from the standpoint of environmental sustainability. Li2FeSiO4 compounds are known to exhibit a rich polymorphism and several crystal structures have been reported in the literature. Due to its complex polymorphism it is still a challenge obtaining a phase pure material. Here we report the properties of pure Li2FeSiO4 obtained by solid-state reaction at 750 °C. It was found that Li2FeSiO4 crystallizes in monoclinic P21/n space group. In this structure one set of LiO4 tetrahedra are arranged in edge sharing pairs with FeO4 tetrahedra, while the other set of LiO4 tetrahedra forms edge sharing pairs with itself. In addition, galvanostatically cycled material was characterized in terms of structural and transport properties.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts",
title = "Crystal structure refinement of Li2FeSiO4 cathode material",
pages = "75-75"
}
Jugović D, Mitrić M, Milović M, Jokić B, Uskoković D. Crystal structure refinement of Li2FeSiO4 cathode material. The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts. 2013;:75-75
Jugović, D., Mitrić, M., Milović, M., Jokić, B.,& Uskoković, D. (2013). Crystal structure refinement of Li2FeSiO4 cathode material.
The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of AbstractsBelgrade : Materials Research Society of Serbia., null, 75-75. 
Jugović Dragana, Mitrić Miodrag, Milović Miloš, Jokić Bojan, Uskoković Dragan, "Crystal structure refinement of Li2FeSiO4 cathode material" null (2013):75-75

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