Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window
Yingchun Lyu
1, 2
,
Enyuan Hu
3
,
Dongdong Xiao
1
,
Yi Wang
1
,
Xiqian Yu
1
,
Guiliang Xu
4
,
Steven N. Ehrlich
5
,
Khalil Amine
4
,
Lin Gu
1, 6
,
X.E. Yang
3
,
Hong Li
1
6
Collaborative Innovation Center of Quantum Matter, Beijing 100190, China
|
Тип публикации: Journal Article
Дата публикации: 2017-11-02
scimago Q1
wos Q1
БС1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Краткое описание
Li2Ru0.5Mn0.5O3, a high capacity lithium-rich layered cathode material for lithium-ion batteries, was subject to comprehensive diagnostic studies, including in situ/ex situ X-ray diffraction, X-ray absorption spectroscopy (XAS), pair distribution function, and high resolution scanning transmission electron microscopy analysis, to understand the correlations between transition-metal chemistry, structure, and lithium storage electrochemical behavior. Ru–Ru dimers were identified in the as-prepared sample and found to be preserved upon prolonged cycling. Presence of these dimers, which are likely caused by the delocalized nature of 4d electrons, is found to favor the stabilization of the structure in a layered phase. The in situ XAS results confirm the participation of oxygen redox into the charge compensation at high charge voltage, and the great flexibility of the covalent bond between Ru and O may provide great reversibility of the global structure despite the significant local distortion around Ru. In co...
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Lyu Y. et al. Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window // Chemistry of Materials. 2017. Vol. 29. No. 21. pp. 9053-9065.
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Lyu Y., Hu E., Xiao D., Wang Y., Yu X., Xu G., Ehrlich S. N., Amine K., Gu L., Yang X., Li H. Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window // Chemistry of Materials. 2017. Vol. 29. No. 21. pp. 9053-9065.
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TY - JOUR
DO - 10.1021/acs.chemmater.7b02299
UR - https://doi.org/10.1021/acs.chemmater.7b02299
TI - Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window
T2 - Chemistry of Materials
AU - Lyu, Yingchun
AU - Hu, Enyuan
AU - Xiao, Dongdong
AU - Wang, Yi
AU - Yu, Xiqian
AU - Xu, Guiliang
AU - Ehrlich, Steven N.
AU - Amine, Khalil
AU - Gu, Lin
AU - Yang, X.E.
AU - Li, Hong
PY - 2017
DA - 2017/11/02
PB - American Chemical Society (ACS)
SP - 9053-9065
IS - 21
VL - 29
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2017_Lyu,
author = {Yingchun Lyu and Enyuan Hu and Dongdong Xiao and Yi Wang and Xiqian Yu and Guiliang Xu and Steven N. Ehrlich and Khalil Amine and Lin Gu and X.E. Yang and Hong Li},
title = {Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window},
journal = {Chemistry of Materials},
year = {2017},
volume = {29},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acs.chemmater.7b02299},
number = {21},
pages = {9053--9065},
doi = {10.1021/acs.chemmater.7b02299}
}
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MLA
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Lyu, Yingchun, et al. “Correlations between Transition-Metal Chemistry, Local Structure, and Global Structure in Li2Ru0.5Mn0.5O3 Investigated in a Wide Voltage Window.” Chemistry of Materials, vol. 29, no. 21, Nov. 2017, pp. 9053-9065. https://doi.org/10.1021/acs.chemmater.7b02299.
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