Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 118, Issue 1, Pages 9-11Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2009.07.019
Keywords
Chemical synthesis; Electrical properties; Ceramics
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Funding
- National Science Foundation of China [20571019]
- SRF [LC06C13]
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LiFePO4 coated with multi-wall carbon nanotubes (MWCNTs) materials have been prepared through a hydrothermal route followed by heat treatment The samples of pure LiFePO4 and LiFePO4-MWCNTs have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM). charge-discharge experiments, cyclic voltammetry(CV) and alternating current(AC) impedance spectroscopy. The LiFePO4-MWCNTs samples show higher discharge capacity and better cycle performance than as-prepared LiFePO4. LiFePO4-MWCNTs (5wt %) exhibited an initial discharge capacity of 160.3 mAh g(-1) at 0.3 C, and the capacity fading is only 0.4% after 50 cycles. (c) 2009 Elsevier B.V. All rights reserved
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