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Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix

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2021
12034_2021_2397.pdf (1.802Mb)
Authors
Milović, Miloš
Jugović, Dragana
Vujković, Milica
Kuzmanović, Maja
Mraković, Ana
Mitrić, Miodrag
Article (Accepted Version)
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Abstract
The polyanion cathodes for Li-ion batteries, namely LiFePO4, Li2FeP2O7 and Li2FeSiO4, were synthesized by very short high-temperature treatment (approximately several minutes) and subsequent quenching. Methylcellulose—a polymer with thermally driven water solubility—was used as the medium in which the precursor solutions were dispersed prior to high temperature treatment. The methylcellulose pyrolytically decomposes to carbon, thus producing the polyanion material/carbon composites of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C. The obtained powders have reduced crystallinity and significant microstructural characteristics: low crystallite size and notable microstrain. They exhibit stable electrochemical performances in both aqueous and organic electrolyte. The broadening of existing peaks in cyclic voltammetry and/or the emergence of new broad peaks was attributed to the presence of the amorphous phase in the samples. In galvanostatic charge–discharge tests, the materials provided high cap...acities at low current densities, while the highest rate performance was demonstrated by olivine-phosphate when compared to the other two materials.

Keywords:
polyanione cathodes / LiFePO4 / Li2FeP2O7 / Li2FeSiO4 / methylcellulose / quenching
Source:
Bulletin of Materials Science, 2021, 44, 2, 144-
Publisher:
  • Springer Science and Business Media LLC
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)
  • Bilateral project Montenegro-Serbia: Bilateral project between Serbia and Slovenia "Developments of novel materials for alkaline-ion batteries"
Note:
  • This is the peer-reviewed version of the article: Milović Miloš, Jugović Dragana, Vujković Milica, Kuzmanović Maja, Mraković Ana, Mitrić Miodrag, "Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix" Bulletin of Materials Science, 44, no. 2 (2021):144, https://doi.org/10.1007/s12034-021-02397-3
Related info:
  • Version of
    https://hdl.handle.net/21.15107/rcub_dais_11635
  • Version of
    http://dx.doi.org/10.1007/s12034-021-02397-3

DOI: 10.1007/s12034-021-02397-3

ISSN: 0250-4707; 0973-7669

WoS: 000653518500003

Scopus: 2-s2.0-85105817162
[ Google Scholar ]
2
Handle
https://hdl.handle.net/21.15107/rcub_dais_11636
URI
https://dais.sanu.ac.rs/123456789/11636
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  - Vujković, Milica
AU  - Kuzmanović, Maja
AU  - Mraković, Ana
AU  - Mitrić, Miodrag
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/11636
AB  - The polyanion cathodes for Li-ion batteries, namely LiFePO4, Li2FeP2O7 and Li2FeSiO4, were synthesized by very short high-temperature treatment (approximately several minutes) and subsequent quenching. Methylcellulose—a polymer with thermally driven water solubility—was used as the medium in which the precursor solutions were dispersed prior to high temperature treatment. The methylcellulose pyrolytically decomposes to carbon, thus producing the polyanion material/carbon composites of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C. The obtained powders have reduced crystallinity and significant microstructural characteristics: low crystallite size and notable microstrain. They exhibit stable electrochemical performances in both aqueous and organic electrolyte. The broadening of existing peaks in cyclic voltammetry and/or the emergence of new broad peaks was attributed to the presence of the amorphous phase in the samples. In galvanostatic charge–discharge tests, the materials provided high capacities at low current densities, while the highest rate performance was demonstrated by olivine-phosphate when compared to the other two materials.
PB  - Springer Science and Business Media LLC
T2  - Bulletin of Materials Science
T1  - Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix
SP  - 144
VL  - 44
IS  - 2
DO  - 10.1007/s12034-021-02397-3
UR  - https://hdl.handle.net/21.15107/rcub_dais_11636
ER  - 
@article{
author = "Milović, Miloš and Jugović, Dragana and Vujković, Milica and Kuzmanović, Maja and Mraković, Ana and Mitrić, Miodrag",
year = "2021",
abstract = "The polyanion cathodes for Li-ion batteries, namely LiFePO4, Li2FeP2O7 and Li2FeSiO4, were synthesized by very short high-temperature treatment (approximately several minutes) and subsequent quenching. Methylcellulose—a polymer with thermally driven water solubility—was used as the medium in which the precursor solutions were dispersed prior to high temperature treatment. The methylcellulose pyrolytically decomposes to carbon, thus producing the polyanion material/carbon composites of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C. The obtained powders have reduced crystallinity and significant microstructural characteristics: low crystallite size and notable microstrain. They exhibit stable electrochemical performances in both aqueous and organic electrolyte. The broadening of existing peaks in cyclic voltammetry and/or the emergence of new broad peaks was attributed to the presence of the amorphous phase in the samples. In galvanostatic charge–discharge tests, the materials provided high capacities at low current densities, while the highest rate performance was demonstrated by olivine-phosphate when compared to the other two materials.",
publisher = "Springer Science and Business Media LLC",
journal = "Bulletin of Materials Science",
title = "Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix",
pages = "144",
volume = "44",
number = "2",
doi = "10.1007/s12034-021-02397-3",
url = "https://hdl.handle.net/21.15107/rcub_dais_11636"
}
Milović, M., Jugović, D., Vujković, M., Kuzmanović, M., Mraković, A.,& Mitrić, M.. (2021). Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix. in Bulletin of Materials Science
Springer Science and Business Media LLC., 44(2), 144.
https://doi.org/10.1007/s12034-021-02397-3
https://hdl.handle.net/21.15107/rcub_dais_11636
Milović M, Jugović D, Vujković M, Kuzmanović M, Mraković A, Mitrić M. Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix. in Bulletin of Materials Science. 2021;44(2):144.
doi:10.1007/s12034-021-02397-3
https://hdl.handle.net/21.15107/rcub_dais_11636 .
Milović, Miloš, Jugović, Dragana, Vujković, Milica, Kuzmanović, Maja, Mraković, Ana, Mitrić, Miodrag, "Towards a green and cost-effective synthesis of polyanionic cathodes: comparative electrochemical behaviour of LiFePO4/C, Li2FeP2O7/C and Li2FeSiO4/C synthesized using methylcellulose matrix" in Bulletin of Materials Science, 44, no. 2 (2021):144,
https://doi.org/10.1007/s12034-021-02397-3 .,
https://hdl.handle.net/21.15107/rcub_dais_11636 .

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