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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

An Investigation of Capacity Fading of Manganese Spinels Stored at Elevated Temperature

http://hdl.handle.net/2237/18422
http://hdl.handle.net/2237/18422
3b66cb8c-a12d-4e49-a2d9-30cbd1ca58e3
名前 / ファイル ライセンス アクション
J_Electrochem_Soc-1998-Inoue-3704-7.pdf J_Electrochem_Soc-1998-Inoue-3704-7.pdf (425.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-28
タイトル
タイトル An Investigation of Capacity Fading of Manganese Spinels Stored at Elevated Temperature
言語 en
著者 Inoue, Takao

× Inoue, Takao

WEKO 49082

en Inoue, Takao

Search repository
Sano, Mitsuru

× Sano, Mitsuru

WEKO 49083

en Sano, Mitsuru

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © The Electrochemical Society, Inc. 1998. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Journal of The Electrochemical Society. v.145, n.11, 1998, p.3704-3707.
キーワード
主題Scheme Other
主題 manganese compounds
キーワード
主題Scheme Other
主題 lithium compounds
キーワード
主題Scheme Other
主題 electrochemistry
キーワード
主題Scheme Other
主題 electrolytes
キーワード
主題Scheme Other
主題 dissolving
キーワード
主題Scheme Other
主題 solid structure
キーワード
主題Scheme Other
主題 high-temperature effects
抄録
内容記述 The storage characteristics of a manganese spinel at various discharge depths and 80°C were examined in 1 M LiPF6 ethylene carbonate/dimethyl carbonate (1:2 by volume) electrolyte. The quantities of Mn dissolution and discharge‐capacity loss were measured after the cathode at each discharge depth had been exposed to the electrolyte at 80°C. The quantities of dissolved manganese in the solution were less than 1.2% of the total manganese in all cathodes examined. Little capacity fading (3%) was found in the fully charged cathode, but a 59% capacity loss was observed in the fully discharged cathode. Correlations of the capacity loss with the X‐ray diffraction peak widths were found, and the amount of capacity loss increased with broadening peak width. On the other hand, no correlation between the amount of Mn dissolution and the capacity loss was found. From these results, we propose a mechanism of the capacity fading of the spinel LiMn2O4 stored at elevated temperatures as follows: lattice defects in the spinel due to Mn dissolution cause disordered crystal structures and as a result, the Li insertion‐extraction paths are blocked, leading to capacity fading.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 The Electrochemical Society
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1149/1.1838862
ISSN
収録物識別子タイプ PISSN
収録物識別子 0013-4651
書誌情報 en : Journal of The Electrochemical Society

巻 145, 号 11, p. 3704-3707, 発行日 1998
著者版フラグ
値 publisher
URI
識別子 http://dx.doi.org/10.1149/1.1838862
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/18422
識別子タイプ HDL
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