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Research Article

Facilitating Lithium-Ion Diffusion in Layered Cathode Materials by Introducing Li+/Ni2+ Antisite Defects for High-Rate Li-Ion Batteries

Table 1

Summary of the Rietveld result of the five NCA samples based on the space group of R-3m.

Samples (Å) (Å)Rwp%Rp%Li/Ni exchange

NCA-7202.8615 (4)14.1738 (6)4.95336.119.67.61.371313.19%
NCA-7352.8614 (8)14.1756 (4)4.95417.62910.37.61.456421.69%
NCA-7502.8619 (3)14.1776 (5)4.95397.39410.47.91.444922.39%
NCA-7652.8628 (3)14.1776 (3)4.95399.18811.48.51.415273.20%
NCA-7802.8632 (1)14.1781 (2)4.95188.351118.11.316373.82%