Abstract

In this paper, we discussed about the electrochemical behavior of the Li(Ni1/3Co1/3Mn1/3)O2 battery using X-ray absorption spectroscopy and transmission X-ray microscopy techniques. Ni ions in the cathode material undergoes change of oxidation in charging and discharging state, however, metal ions like Co and Mn do not exhibit this phenomenon. Simulation of Ni K-edge XAS spectra reflect change of coordination environment during charging and discharging. The experimental result from TXM imaging visualized the chemical distribution map for charging and discharging states at Ni K-edge.

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