Impact of lithium excess on the structural and electrochemical properties of the LiNi0.5Mn1.5O4 high-voltage cathode material
2015
LiNi0.5Mn1.5O4-based cathode materials are synthesized by a one-step nonaqueous co-precipitation method. Appropriate excess lithium ions can extrude transition metal ions out of tetrahedral 8a sites, which could have a higher effect on the rate performance of LiNi0.5Mn1.5O4 than the well-known factor, i.e. cationic order degree in 16d octahedral sites.
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