Li(Ni1/3Co1/3Mn1/3)O2 cathode investigated using X-ray absorption spectroscopy and transmission X-ray microscopy

Title
Li(Ni1/3Co1/3Mn1/3)O2 cathode investigated using X-ray absorption spectroscopy and transmission X-ray microscopy
Authors
채근화Jae Yeon ParkJitendra Pal SinghJun LimSangsul Lee
Keywords
Cathode material; Microscopy; Spectroscopy
Issue Date
2020-02
Publisher
Materials letters
Citation
VOL 261-126983
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.
URI
http://pubs.kist.re.kr/handle/201004/72213
ISSN
0167-577X
Appears in Collections:
KIST Publication > Article
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