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Preparation of LiCoPO4 and LiFePO4 coated LiCoPO4 materials with improved battery performance
Cited 66 time in
Web of Science
Cited 70 time in Scopus
- Authors
- Issue Date
- 2010-05
- Publisher
- Elsevier BV
- Citation
- Journal of Alloys and Compounds, Vol.497 No.1-2, pp.321-324
- Abstract
- Olivine LiCoPO4 material has been successfully synthesized by solid-state reaction method without any carbon coating. The X-ray diffraction pattern shows that LiCoPO4 has a well developed orthorhombic structure with Prima space group The SEM analysis shows the particulate nature of the prepared materials with <200 nm size. The TEM analysis confirms that a 2-3 nm thick LiFePO4 layer is coated onto LiCoPO4. The LiFePO4 coated LiCoPO4 cell delivers a high initial discharge capacity of 132 mAhg(-1), which is 19 mAhg(-1) higher than the parent LiCoPO4 Furthermore, the LiFePO4 coated LiCoPO4 cell exhibits an improved capacity retention compared to the original LiCoPO4 during cycling Crown Copyright (C) 2010 Published by Elsevier B V. All rights reserved
- ISSN
- 0925-8388
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