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In situ X-ray Raman spectroscopy and magnetic susceptibility study on the Li[Li0.15Mn1.85]O4 oxygen anion redox reaction

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Abstract

Li-rich compounds have received significant attention as electrode materials for lithium-ion batteries (LIBs) because of their large rechargeable capacities (qrecha). We have demonstrated a novel reaction scheme of one of the Li-rich compounds, Li[Li0.15Mn1.85]O4, where Mn4+ ions are reduced to lower valence states such as Mn3+ and Mn2+ ions during charging at voltages above 5.0 V.

Graphical abstract: In situ X-ray Raman spectroscopy and magnetic susceptibility study on the Li[Li0.15Mn1.85]O4 oxygen anion redox reaction

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Article information


Submitted
21 Nov 2019
Accepted
06 Jan 2020
First published
06 Jan 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

In situ X-ray Raman spectroscopy and magnetic susceptibility study on the Li[Li0.15Mn1.85]O4 oxygen anion redox reaction

K. Mukai, T. Nonaka, T. Uyama and Y. F. Nishimura, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09051G

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