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Carbon coated LiFePO4 cathode material obtained by freeze-drying method

Thumbnail
2013
392.pdf (53.15Kb)
Authors
Kuzmanović, Maja
Jugović, Dragana
Mitrić, Miodrag
Jokić, Bojan
Cvjetićanin, Nikola
Uskoković, Dragan
Conference object (Published version)
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Abstract
One of the most perspective cathode materials for the application in the Li-ion batteries is LiFePO4. It has high theoretical specific capacity, good cycle life and technically suitable flat voltage of 3.45 V versus Li. However, its main disadvantages are low electronic and ionic conductivities which can be overcome by particle size minimization and/or carbon coating. Here is presented the freeze-drying method for the preparation of carbon coated LiFePO4 particles. It involves freezing of a precursor solution, vacuum drying and final calcination of as-dried powder under slightly reductive atmosphere. The main advantage of this preparation process is mixing at the atomic level which provides more homogeneous precursor. Water solutions containing Li+,PO4 3- and Fe2+ ions with the addition of various organic compounds as a carbon source were used as the precursor solutions. The as-prepared powders were fully characterized by means of X-ray powder diffraction, scanning electron microscopy,... particle size analyzer and galvanostatic cycling.

Keywords:
LiFePO4 / lithium iron phosphate / cathode materials / freeze-drying
Source:
The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts, 2013, 76-76
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/123456789/395
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Kuzmanović, Maja
AU  - Jugović, Dragana
AU  - Mitrić, Miodrag
AU  - Jokić, Bojan
AU  - Cvjetićanin, Nikola
AU  - Uskoković, Dragan
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/395
AB  - One of the most perspective cathode materials for the application in the Li-ion batteries is LiFePO4. It has high theoretical specific capacity, good cycle life and technically suitable flat voltage of 3.45 V versus Li. However, its main disadvantages are low electronic and ionic conductivities which can be overcome by particle size minimization and/or carbon coating. Here is presented the freeze-drying method for the preparation of carbon coated LiFePO4 particles. It involves freezing of a precursor solution, vacuum drying and final calcination of as-dried powder under slightly reductive atmosphere. The main advantage of this preparation process is mixing at the atomic level which provides more homogeneous precursor. Water solutions containing Li+,PO4 3- and Fe2+ ions with the addition of various organic compounds as a carbon source were used as the precursor solutions. The as-prepared powders were fully characterized by means of X-ray powder diffraction, scanning electron microscopy, particle size analyzer and galvanostatic cycling.
PB  - Belgrade : Materials Research Society of Serbia
C3  - The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts
T1  - Carbon coated LiFePO4 cathode material obtained by freeze-drying method
SP  - 76
EP  - 76
ER  - 
@conference{
author = "Kuzmanović, Maja and Jugović, Dragana and Mitrić, Miodrag and Jokić, Bojan and Cvjetićanin, Nikola and Uskoković, Dragan",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/395",
abstract = "One of the most perspective cathode materials for the application in the Li-ion batteries is LiFePO4. It has high theoretical specific capacity, good cycle life and technically suitable flat voltage of 3.45 V versus Li. However, its main disadvantages are low electronic and ionic conductivities which can be overcome by particle size minimization and/or carbon coating. Here is presented the freeze-drying method for the preparation of carbon coated LiFePO4 particles. It involves freezing of a precursor solution, vacuum drying and final calcination of as-dried powder under slightly reductive atmosphere. The main advantage of this preparation process is mixing at the atomic level which provides more homogeneous precursor. Water solutions containing Li+,PO4 3- and Fe2+ ions with the addition of various organic compounds as a carbon source were used as the precursor solutions. The as-prepared powders were fully characterized by means of X-ray powder diffraction, scanning electron microscopy, particle size analyzer and galvanostatic cycling.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts",
title = "Carbon coated LiFePO4 cathode material obtained by freeze-drying method",
pages = "76-76"
}
Kuzmanović M, Jugović D, Mitrić M, Jokić B, Cvjetićanin N, Uskoković D. Carbon coated LiFePO4 cathode material obtained by freeze-drying method. The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of Abstracts. 2013;:76-76
Kuzmanović, M., Jugović, D., Mitrić, M., Jokić, B., Cvjetićanin, N.,& Uskoković, D. (2013). Carbon coated LiFePO4 cathode material obtained by freeze-drying method.
The Fifteenth Annual Conference YUCOMAT 2013: Programme and the Book of AbstractsBelgrade : Materials Research Society of Serbia., null, 76-76. 
Kuzmanović Maja, Jugović Dragana, Mitrić Miodrag, Jokić Bojan, Cvjetićanin Nikola, Uskoković Dragan, "Carbon coated LiFePO4 cathode material obtained by freeze-drying method" null (2013):76-76

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