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An Investigation of Capacity Fading of Manganese Spinels Stored at Elevated Temperature
http://hdl.handle.net/2237/18422
http://hdl.handle.net/2237/184223b66cb8c-a12d-4e49-a2d9-30cbd1ca58e3
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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× Sano, Mitsuru |
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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 |
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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 |