Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy-Reference-Cited by-同舟云学术

Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy

Published:2016 Issue:23 Volume:4 Page:9293-9302
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Oishi Masatsugu¹²³⁴,Yamanaka Keisuke⁵⁶⁷⁴,Watanabe Iwao¹²³⁴⁵,Shimoda Keiji¹²³⁴,Matsunaga Toshiyuki¹²³⁴,Arai Hajime¹²³⁴,Ukyo Yoshio¹²³⁴,Uchimoto Yoshiharu⁸²⁹⁴,Ogumi Zempachi¹²³⁴,Ohta Toshiaki⁵⁶⁷⁴

Affiliation:

1. Office of Society-Academia Collaboration for Innovation

2. Kyoto University

3. Uji

4. Japan

5. SR Center

6. Ritsumeikan University

7. Kusatsu

8. Graduate School of Human and Environmental Studies

9. Sakyo-ku

Abstract

We investigated the reversible charge compensation mechanism of an Li₂MnO₃ electrode using soft XAS analysis. We concluded that both the Mn and O ions participated in the charge compensation reactions during the reversible redox cycles.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2016/TA/C6TA00174B

Reference51 articles.

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2. Understanding the Anomalous Capacity of Li/Li[Ni[sub x]Li[sub (1/3−2x/3)]Mn[sub (2/3−x/3)]]O[sub 2] Cells Using In Situ X-Ray Diffraction and Electrochemical Studies

3. Li2MnO3-stabilized LiMO2 (M = Mn, Ni, Co) electrodes for lithium-ion batteries

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5. Detailed Studies of a High-Capacity Electrode Material for Rechargeable Batteries, Li2MnO3−LiCo1/3Ni1/3Mn1/3O2

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