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The use of methylcellulose for the synthesis of Li2FeSiO4/C composites

Authorized Users Only
2016
Authors
Milović, Miloš
Jugović, Dragana
Mitrić, Miodrag
Dominko, Robert
Stojković Simatović, Ivana
Jokić, Bojan
Uskoković, Dragan
Article (Published version)
Metadata
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Abstract
The key parameters related to cathode materials for commercial use are a high specific capacity, good cycling stability, capacity retention at high current rates, as well as the simplicity of the synthesis process. This study presents a facile synthesis of a composite cathode material, Li2FeSiO4 with carbon, under extreme conditions: rapid heating, short dwell at 750 °C and subsequent quenching. The water-soluble polymer methylcellulose was used both as an excellent dispersing agent and a carbon source that pyrolytically degrades to carbon, thereby enabling the homogeneous deployment of the precursor compounds and the control of the Li2FeSiO4 particle growth from the earliest stage of processing. X-ray powder diffraction reveals the formation of Li2FeSiO4 nanocrystallites with a monoclinic structure in the P21/n space group (#14). The composite’s electrochemical performance as a cathode material in Li-ion batteries was examined. The influence of the amount of methylcellulose on the mic...rostructural, morphological, conductive, and electrochemical properties of the obtained powders has been discussed. It has been shown that the overall electrochemical performance is improved with an increase of carbon content, through both the decrease of the mean particle diameter and the increase of electrical conductivity.

Keywords:
methylcellulose / lithium iron silicate (Li2FeSiO4) / cathode materials / carbon composites / Li-ion batteries
Source:
Cellulose, 2016, 23, 1, 239-246
Publisher:
  • Springer
Funding / projects:
  • Molecular designing of nanoparticles with controlled morphological and physicochemical characteristics and functional materials based on them (RS-45004)
  • Magnetic and radionuclide labeled nanostructured materials for medical applications (RS-45015)
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)
  • Bilateral cooperation program between the Republic of Serbia and the Republic of Slovenia, Project 651-03-1251/2012-09/05

DOI: 10.1007/s10570-015-0806-9

ISSN: 0969-0239 (Print); 1572-882X (Online)

WoS: 000368802700013

Scopus: 2-s2.0-84955700070
[ Google Scholar ]
4
4
Handle
https://hdl.handle.net/21.15107/rcub_dais_2318
URI
https://dais.sanu.ac.rs/123456789/2318
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Milović, Miloš
AU  - Jugović, Dragana
AU  - Mitrić, Miodrag
AU  - Dominko, Robert
AU  - Stojković Simatović, Ivana
AU  - Jokić, Bojan
AU  - Uskoković, Dragan
PY  - 2016
UR  - https://dais.sanu.ac.rs/123456789/2318
AB  - The key parameters related to cathode materials for commercial use are a high specific capacity, good cycling stability, capacity retention at high current rates, as well as the simplicity of the synthesis process. This study presents a facile synthesis of a composite cathode material, Li2FeSiO4 with carbon, under extreme conditions: rapid heating, short dwell at 750 °C and subsequent quenching. The water-soluble polymer methylcellulose was used both as an excellent dispersing agent and a carbon source that pyrolytically degrades to carbon, thereby enabling the homogeneous deployment of the precursor compounds and the control of the Li2FeSiO4 particle growth from the earliest stage of processing. X-ray powder diffraction reveals the formation of Li2FeSiO4 nanocrystallites with a monoclinic structure in the P21/n space group (#14). The composite’s electrochemical performance as a cathode material in Li-ion batteries was examined. The influence of the amount of methylcellulose on the microstructural, morphological, conductive, and electrochemical properties of the obtained powders has been discussed. It has been shown that the overall electrochemical performance is improved with an increase of carbon content, through both the decrease of the mean particle diameter and the increase of electrical conductivity.
PB  - Springer
T2  - Cellulose
T1  - The use of methylcellulose for the synthesis of Li2FeSiO4/C composites
SP  - 239
EP  - 246
VL  - 23
IS  - 1
DO  - 10.1007/s10570-015-0806-9
UR  - https://hdl.handle.net/21.15107/rcub_dais_2318
ER  - 
@article{
author = "Milović, Miloš and Jugović, Dragana and Mitrić, Miodrag and Dominko, Robert and Stojković Simatović, Ivana and Jokić, Bojan and Uskoković, Dragan",
year = "2016",
abstract = "The key parameters related to cathode materials for commercial use are a high specific capacity, good cycling stability, capacity retention at high current rates, as well as the simplicity of the synthesis process. This study presents a facile synthesis of a composite cathode material, Li2FeSiO4 with carbon, under extreme conditions: rapid heating, short dwell at 750 °C and subsequent quenching. The water-soluble polymer methylcellulose was used both as an excellent dispersing agent and a carbon source that pyrolytically degrades to carbon, thereby enabling the homogeneous deployment of the precursor compounds and the control of the Li2FeSiO4 particle growth from the earliest stage of processing. X-ray powder diffraction reveals the formation of Li2FeSiO4 nanocrystallites with a monoclinic structure in the P21/n space group (#14). The composite’s electrochemical performance as a cathode material in Li-ion batteries was examined. The influence of the amount of methylcellulose on the microstructural, morphological, conductive, and electrochemical properties of the obtained powders has been discussed. It has been shown that the overall electrochemical performance is improved with an increase of carbon content, through both the decrease of the mean particle diameter and the increase of electrical conductivity.",
publisher = "Springer",
journal = "Cellulose",
title = "The use of methylcellulose for the synthesis of Li2FeSiO4/C composites",
pages = "239-246",
volume = "23",
number = "1",
doi = "10.1007/s10570-015-0806-9",
url = "https://hdl.handle.net/21.15107/rcub_dais_2318"
}
Milović, M., Jugović, D., Mitrić, M., Dominko, R., Stojković Simatović, I., Jokić, B.,& Uskoković, D.. (2016). The use of methylcellulose for the synthesis of Li2FeSiO4/C composites. in Cellulose
Springer., 23(1), 239-246.
https://doi.org/10.1007/s10570-015-0806-9
https://hdl.handle.net/21.15107/rcub_dais_2318
Milović M, Jugović D, Mitrić M, Dominko R, Stojković Simatović I, Jokić B, Uskoković D. The use of methylcellulose for the synthesis of Li2FeSiO4/C composites. in Cellulose. 2016;23(1):239-246.
doi:10.1007/s10570-015-0806-9
https://hdl.handle.net/21.15107/rcub_dais_2318 .
Milović, Miloš, Jugović, Dragana, Mitrić, Miodrag, Dominko, Robert, Stojković Simatović, Ivana, Jokić, Bojan, Uskoković, Dragan, "The use of methylcellulose for the synthesis of Li2FeSiO4/C composites" in Cellulose, 23, no. 1 (2016):239-246,
https://doi.org/10.1007/s10570-015-0806-9 .,
https://hdl.handle.net/21.15107/rcub_dais_2318 .

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