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图5. LiNi0.8Co0.2O2合成过程中的结构演化[41]

Fig. 5. Structural evolution during high temperature synthesis of LiNi0.8Co0.2O2 (© 2017, Wiley-VCH)[41]
(a) Concentration of the phases Ni(Co)O, Li2CO3, and LiNi0.8Co0.2O2 at different temperatures; (b) Ratio unit cell parameters (c/a), (c) content of Li+ occupying the 3a sites (Li sites), and (d) Ni-O and Li-O bond lengths as a function of temperature; (e) Schematic diagram of the structural evolution and variation of the interlayer distances of the Li and Ni(Co) slabs during the synthesis of LiNi0.8Co0.2O2. 1 Å=0.1 nm. Colorful figures are available on website