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Li2FeSiO4 cathode material: the structure and electrochemical performances

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2014
587.pdf (145.0Kb)
Authors
Jugović, Dragana
Milović, Miloš
Mitrić, Miodrag
Ivanovski, Valentin N.
Avdeev, Maxim
Jokić, Bojan
Dominko, Robert
Uskoković, Dragan
Conference object (Published version)
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Abstract
Monoclinic Li2FeSiO4 that crystallizes in P21/n space group was investigated as a potential cathode material for lithium-ion batteries. A combined X-ray diffraction and Mössbauer spectroscopy study was used for the structural investigation. It was found that the crystal structure is prone to an “antisite” defect, the one in which the Fe ion and the Li ion exchange places. This finding was also confirmed by the Mössbauer spectroscopy. In order to obtain composites of Li2FeSiO4 and carbon, several synthesis techniques that use different carbon sources were involved. Electrochemical performances were investigated through galvanostatic charge/discharge tests. Discharge curve profile did not reflect a two-phase intercalation reaction (no obvious voltage plateau) due to the low conductivity at room temperature.
Keywords:
Li2FeSiO4 / cathode materials / Mössbauer spectroscopy / lithium-ion batteries / XRD
Source:
The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts, 2014, 6-6
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/123456789/590
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  - Milović, Miloš
AU  - Mitrić, Miodrag
AU  - Ivanovski, Valentin N.
AU  - Avdeev, Maxim
AU  - Jokić, Bojan
AU  - Dominko, Robert
AU  - Uskoković, Dragan
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/590
AB  - Monoclinic Li2FeSiO4 that crystallizes in P21/n space group was investigated as a potential cathode material for lithium-ion batteries. A combined X-ray diffraction and Mössbauer spectroscopy study was used for the structural investigation. It was found that the crystal structure is prone to an “antisite” defect, the one in which the Fe ion and the Li ion exchange places. This finding was also confirmed by the Mössbauer spectroscopy. In order to obtain composites of Li2FeSiO4 and carbon, several synthesis techniques that use different carbon sources were involved. Electrochemical performances were investigated through galvanostatic charge/discharge tests. Discharge curve profile did not reflect a two-phase intercalation reaction (no obvious voltage plateau) due to the low conductivity at room temperature.
PB  - Belgrade : Materials Research Society of Serbia
C3  - The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts
T1  - Li2FeSiO4 cathode material: the structure and electrochemical performances
SP  - 6
EP  - 6
ER  - 
@conference{
author = "Jugović, Dragana and Milović, Miloš and Mitrić, Miodrag and Ivanovski, Valentin N. and Avdeev, Maxim and Jokić, Bojan and Dominko, Robert and Uskoković, Dragan",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/590",
abstract = "Monoclinic Li2FeSiO4 that crystallizes in P21/n space group was investigated as a potential cathode material for lithium-ion batteries. A combined X-ray diffraction and Mössbauer spectroscopy study was used for the structural investigation. It was found that the crystal structure is prone to an “antisite” defect, the one in which the Fe ion and the Li ion exchange places. This finding was also confirmed by the Mössbauer spectroscopy. In order to obtain composites of Li2FeSiO4 and carbon, several synthesis techniques that use different carbon sources were involved. Electrochemical performances were investigated through galvanostatic charge/discharge tests. Discharge curve profile did not reflect a two-phase intercalation reaction (no obvious voltage plateau) due to the low conductivity at room temperature.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts",
title = "Li2FeSiO4 cathode material: the structure and electrochemical performances",
pages = "6-6"
}
Jugović D, Milović M, Mitrić M, Ivanovski VN, Avdeev M, Jokić B, Dominko R, Uskoković D. Li2FeSiO4 cathode material: the structure and electrochemical performances. The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of Abstracts. 2014;:6-6
Jugović, D., Milović, M., Mitrić, M., Ivanovski, V. N., Avdeev, M., Jokić, B., Dominko, R.,& Uskoković, D. (2014). Li2FeSiO4 cathode material: the structure and electrochemical performances.
The Sixteenth Annual Conference YUCOMAT 2014: Programme and the Book of AbstractsBelgrade : Materials Research Society of Serbia., null, 6-6. 
Jugović Dragana, Milović Miloš, Mitrić Miodrag, Ivanovski Valentin N., Avdeev Maxim, Jokić Bojan, Dominko Robert, Uskoković Dragan, "Li2FeSiO4 cathode material: the structure and electrochemical performances" null (2014):6-6

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