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Title: Observation of Valence State Change in Layered Li1-yNi1/3Mn1/3Co1/3O2

Abstract

Valence state changes in Li1-yNi1/3Mn1/3Co1/3O2 were investigated using hard and soft X-ray absorption fine structure (XAFS) measurements. Reversible changes in the M-O bond lengths and in the position of the M L-edge peak (M Ni, Co) were observed during the first charge and discharge cycle. These results demonstrate that Li de-intercalation/intercalation proceeds mainly by changes in the valence states of the Ni and Co cations. In addition, it has been shown that the host material LiNi1/3Mn1/3Co1/3O2 had a surface structure free of Li2CO3.

Authors:
;  [1];  [2];  [3];  [4]
  1. Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka, 563-8577 (Japan)
  2. Unit of Chemistry, Faculty of Engineering, Kansai University, Suita, Osaka, 564-8680 (Japan)
  3. Institute of Scientific and Industrial Research (ISIR), Osaka University, Ibaraki, Osaka, 567-0047 (Japan)
  4. SR Center, Ritsumeikan University, Kusatsu, Shiga, 525-8577 (Japan)
Publication Date:
OSTI Identifier:
21054660
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 882; Journal Issue: 1; Conference: XAFS13: 13. international conference on X-ray absorption fine structure, Stanford, CA (United States), 9-14 Jul 2006; Other Information: DOI: 10.1063/1.2644564; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ABSORPTION SPECTROSCOPY; BOND LENGTHS; CATIONS; COBALT OXIDES; FINE STRUCTURE; HARD X RADIATION; LITHIUM CARBONATES; LITHIUM COMPOUNDS; MANGANESE COMPOUNDS; NICKEL COMPOUNDS; SOFT X RADIATION; SURFACES; VALENCE; X-RAY SPECTRA; X-RAY SPECTROSCOPY

Citation Formats

Kobayashi, Hironori, Tatsumi, Kuniaki, Arachi, Yoshinori, Emura, Shuichi, and Handa, Katsumi. Observation of Valence State Change in Layered Li1-yNi1/3Mn1/3Co1/3O2. United States: N. p., 2007. Web. doi:10.1063/1.2644564.
Kobayashi, Hironori, Tatsumi, Kuniaki, Arachi, Yoshinori, Emura, Shuichi, & Handa, Katsumi. Observation of Valence State Change in Layered Li1-yNi1/3Mn1/3Co1/3O2. United States. https://doi.org/10.1063/1.2644564
Kobayashi, Hironori, Tatsumi, Kuniaki, Arachi, Yoshinori, Emura, Shuichi, and Handa, Katsumi. 2007. "Observation of Valence State Change in Layered Li1-yNi1/3Mn1/3Co1/3O2". United States. https://doi.org/10.1063/1.2644564.
@article{osti_21054660,
title = {Observation of Valence State Change in Layered Li1-yNi1/3Mn1/3Co1/3O2},
author = {Kobayashi, Hironori and Tatsumi, Kuniaki and Arachi, Yoshinori and Emura, Shuichi and Handa, Katsumi},
abstractNote = {Valence state changes in Li1-yNi1/3Mn1/3Co1/3O2 were investigated using hard and soft X-ray absorption fine structure (XAFS) measurements. Reversible changes in the M-O bond lengths and in the position of the M L-edge peak (M Ni, Co) were observed during the first charge and discharge cycle. These results demonstrate that Li de-intercalation/intercalation proceeds mainly by changes in the valence states of the Ni and Co cations. In addition, it has been shown that the host material LiNi1/3Mn1/3Co1/3O2 had a surface structure free of Li2CO3.},
doi = {10.1063/1.2644564},
url = {https://www.osti.gov/biblio/21054660}, journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 882,
place = {United States},
year = {Fri Feb 02 00:00:00 EST 2007},
month = {Fri Feb 02 00:00:00 EST 2007}
}