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- Title
Physicochemical properties of lithium iron phosphate-carbon as lithium polymer battery cathodes.
- Authors
Jin, Bo; Sun, Guangping; Liang, Jicai; Gu, Hal‐Bon
- Abstract
SUMMARY Lithium iron phosphate-carbon (LiFePO4/multiwalled carbon nanotubes (MWCNTs)) composite cathode materials were prepared by a hydrothermal method. In this study, we used MWCNTs as conductive additive. Poly (vinylidene fluoride-co-hexafluoropropylene)-based solid polymer electrolyte (SPE) was applied. The structural and morphological performance of LiFePO4/MWCNTs cathode materials was investigated by X-ray diffraction and scanning electron microscopy/mapping. The electrochemical properties of Li/SPE/LiFePO4-MWCNTs coin-type polymer batteries were analyzed by cyclic voltammetry, ac impedance and galvanostatic charge/discharge tests. Li/SPE/LiFePO4-MWCNTs polymer battery with 5 wt % MWCNTs demonstrates the highest discharge capacity and stable cyclability at room temperature. It is indicated that LiFePO4-MWCNTs can be used as the cathode materials for lithium polymer batteries. Copyright © 2011 John Wiley & Sons, Ltd.
- Subjects
PHYSICAL &; theoretical chemistry; MULTIWALLED carbon nanotubes; COMPOSITE materials; PROTON exchange membrane fuel cells; LITHIUM; CATHODES
- Publication
International Journal of Energy Research, 2013, Vol 37, Issue 6, p500
- ISSN
0363-907X
- Publication type
Article
- DOI
10.1002/er.1927