Journal
AIMS MATERIALS SCIENCE
Volume 6, Issue 3, Pages 406-440Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/matersci.2019.3.406
Keywords
Li-ion batteries; cathode materials; aluminum fluoride coating; electrochemical performance
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In response to the ever worsening of the environment by consumption of fossil fuels, energy storage systems like lithium-ion batteries that offer high energy efficiency have evoked a great interest as power sources from portable electronics to electric vehicles. However, the improvement of calendar and cycling life together with safety issues require sophisticated technology to prevent degradation mechanisms. The surface modification of the electrode materials is part of the solution. In this paper, the surface coverage of cathode materials by aluminum fluoride is reviewed. The effect of AlF3 coating on electrochemical performance is examined at various deposit amounts with a comparison of the capacity retention and cycling stability of the different systems proposed in the literature.
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