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The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions

Authorized Users Only
2013
Authors
Vujković, Milica
Jugović, Dragana
Mitrić, Miodrag
Stojković, Ivana
Cvjetićanin, Nikola
Mentus, Slavko
Article (Published version)
Metadata
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Abstract
The nitrate-(glycine + malonic acid)-assisted gel-combustion process, followed by a heat treatment at 750 °C under reductive atmosphere, was used as a fast and effective way to synthesize vanadium doped olivine incorporated in carbon matrix, of general formula LiFe(1−x)VxPO4/C. The two-phased Rietveld refinement confirmed that vanadium incorporation into olivine structure was complete. The heating under reduction atmosphere caused the formation of iron phosphide to some extent, the concentration was determined by Rietveld analysis. The capacity and rate capability of these composites were tested by both cyclic voltammetry and galvanostatic cycling. Specifically, the average discharging capacities of the composite with x = 0.055, determined in an saturated aqueous LiNO3 solution equilibrated with air, at the rates of 1, 10 and 100 C, amounted to 91, 73 and 35 mAh g−1, respectively, with no perceivable capacity fade.
Keywords:
Coulombic capacity / lithium iron phosphate / rate capability / rechargeable lithium batteries / vanadium doping
Source:
Electrochimica Acta, 2013, 109, 835-842
Publisher:
  • Elsevier
Funding / projects:
  • Molecular designing of nanoparticles with controlled morphological and physicochemical characteristics and functional materials based on them (RS-45004)
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)
  • Magnetic and radionuclide labeled nanostructured materials for medical applications (RS-45015)
  • Serbian Academy of Sciences and Arts, Project F-190

DOI: 10.1016/j.electacta.2013.07.219

ISSN: 0013-4686

WoS: 000328006300113

Scopus: 2-s2.0-84883061743
[ Google Scholar ]
24
23
Handle
https://hdl.handle.net/21.15107/rcub_dais_384
URI
https://dais.sanu.ac.rs/123456789/384
Collections
  • Општа колекција САНУ / General collection of SASA
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Vujković, Milica
AU  - Jugović, Dragana
AU  - Mitrić, Miodrag
AU  - Stojković, Ivana
AU  - Cvjetićanin, Nikola
AU  - Mentus, Slavko
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/384
AB  - The nitrate-(glycine + malonic acid)-assisted gel-combustion process, followed by a heat treatment at 750 °C under reductive atmosphere, was used as a fast and effective way to synthesize vanadium doped olivine incorporated in carbon matrix, of general formula LiFe(1−x)VxPO4/C. The two-phased Rietveld refinement confirmed that vanadium incorporation into olivine structure was complete. The heating under reduction atmosphere caused the formation of iron phosphide to some extent, the concentration was determined by Rietveld analysis. The capacity and rate capability of these composites were tested by both cyclic voltammetry and galvanostatic cycling. Specifically, the average discharging capacities of the composite with x = 0.055, determined in an saturated aqueous LiNO3 solution equilibrated with air, at the rates of 1, 10 and 100 C, amounted to 91, 73 and 35 mAh g−1, respectively, with no perceivable capacity fade.
PB  - Elsevier
T2  - Electrochimica Acta
T1  - The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions
SP  - 835
EP  - 842
VL  - 109
DO  - 10.1016/j.electacta.2013.07.219
UR  - https://hdl.handle.net/21.15107/rcub_dais_384
ER  - 
@article{
author = "Vujković, Milica and Jugović, Dragana and Mitrić, Miodrag and Stojković, Ivana and Cvjetićanin, Nikola and Mentus, Slavko",
year = "2013",
abstract = "The nitrate-(glycine + malonic acid)-assisted gel-combustion process, followed by a heat treatment at 750 °C under reductive atmosphere, was used as a fast and effective way to synthesize vanadium doped olivine incorporated in carbon matrix, of general formula LiFe(1−x)VxPO4/C. The two-phased Rietveld refinement confirmed that vanadium incorporation into olivine structure was complete. The heating under reduction atmosphere caused the formation of iron phosphide to some extent, the concentration was determined by Rietveld analysis. The capacity and rate capability of these composites were tested by both cyclic voltammetry and galvanostatic cycling. Specifically, the average discharging capacities of the composite with x = 0.055, determined in an saturated aqueous LiNO3 solution equilibrated with air, at the rates of 1, 10 and 100 C, amounted to 91, 73 and 35 mAh g−1, respectively, with no perceivable capacity fade.",
publisher = "Elsevier",
journal = "Electrochimica Acta",
title = "The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions",
pages = "835-842",
volume = "109",
doi = "10.1016/j.electacta.2013.07.219",
url = "https://hdl.handle.net/21.15107/rcub_dais_384"
}
Vujković, M., Jugović, D., Mitrić, M., Stojković, I., Cvjetićanin, N.,& Mentus, S.. (2013). The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions. in Electrochimica Acta
Elsevier., 109, 835-842.
https://doi.org/10.1016/j.electacta.2013.07.219
https://hdl.handle.net/21.15107/rcub_dais_384
Vujković M, Jugović D, Mitrić M, Stojković I, Cvjetićanin N, Mentus S. The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions. in Electrochimica Acta. 2013;109:835-842.
doi:10.1016/j.electacta.2013.07.219
https://hdl.handle.net/21.15107/rcub_dais_384 .
Vujković, Milica, Jugović, Dragana, Mitrić, Miodrag, Stojković, Ivana, Cvjetićanin, Nikola, Mentus, Slavko, "The LiFe(1-x)VxPO4/C Composite Synthesized by Gel-Combustion Method, with Improved Rate Capability and Cycle Life in Aerated Aqueous Solutions" in Electrochimica Acta, 109 (2013):835-842,
https://doi.org/10.1016/j.electacta.2013.07.219 .,
https://hdl.handle.net/21.15107/rcub_dais_384 .

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