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Properties of quenched LiFePO4/C powder obtained via cellulose matrix-assisted method

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2013
750.pdf (1.833Mb)
Authors
Jugović, Dragana
Mitrić, Miodrag
Milović, Miloš
Jokić, Bojan
Vukomanović, Marija
Suvorov, Danilo
Uskoković, Dragan
Article (Accepted Version)
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Abstract
In this study, nanocrystalline LiFePO4/C composite powder has been synthesized via a cellulose matrix-assisted method. In an experiment conducted under extreme conditions involving rapid heating, short high-temperature delay, and subsequent quenching, well-ordered 35-nm crystallites have been obtained within 5 min. A quantitative filter paper has served both as a template and carbon source. It degrades pyrolytically through fragmentation reactions and formation of volatiles when exposed to rapid heating, which further has an impact on powder morphology, as revealed by electron microscopy studies. The electrochemical measurements in terms of galvanostatic cycling have shown that the approach presented in this study may enable to reach good rate capability and excellent cycling stability.
Keywords:
lithium iron phosphate / LiFePO4 / cathode materials / Rietveld X-ray refinement / nanocrystalline materials
Source:
Powder Technology, 2013, 246, 539-544
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)
Note:
  • This is the peer reviewed version of the following article:Jugović, Dragana, Miodrag Mitrić, Miloš Milović, Bojan Jokić, Marija Vukomanović, Danilo Suvorov, and Dragan Uskoković. “Properties of Quenched LiFePO4/C Powder Obtained via Cellulose Matrix-Assisted Method.” Powder Technology 246 (September 2013): 539–44. http://dx.doi.org/10.1016/j.powtec.2013.06.021

DOI: 10.1016/j.powtec.2013.06.021

ISSN: 0032-5910

WoS: 000324083000062

Scopus: 2-s2.0-84879999252
[ Google Scholar ]
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URI
http://dais.sanu.ac.rs/123456789/753
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences SASA

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