Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1492604 | Materials Research Bulletin | 2007 | 11 Pages |
Abstract
Metal-phosphate coating on LiCoO2 cathodes improved the cycle-life performance with high charge-cutoff voltages. The optimum annealing temperature and coating thickness for the excellent electrochemical properties of the metal-phosphate-coated LiCoO2 cathodes were determined. Among the metal-phosphate-coating materials, the Al–P–O coating enhanced the electrochemical properties most efficiently. The EPMA results (after cycles) with a 4.8 V cutoff confirmed that most of the nanoscale coating layers, particularly the P component, had dissolved during cycling.
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Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Joon-Gon Lee, Tae-Gon Kim, Byungwoo Park,