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The cycling performance of LiNi0.8Co0.1Mn0.1O2 has been effectively enhanced by Li2TiO3 thin film coating. The Li2TiO3 coating layer with an average thickness of 1nm has been proved by XRD, HRTEM, FFT and XPS. Compared with the 80.5% capacity retention of bare materials, the modified LiNi0.8Co0.1Mn0.1O2 materials Exhibit 98% capacity retention after 170 cycles at 1C rate. The reason for the improved...
Lithium iron silicates (Li2FeSiO4) are promising materials for use as cathodes because they may theoretically allow a two-electron exchange per formula unit. However, the high operating voltage (4.8V vs. Li+/Li) may promote unwanted side-reactions between the cathode and electrolyte, causing serious capacity fading during cycling. In this report, Li2FeSiO4/C materials coated with AlPO4 nanosheets...
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