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Degradation analysis of a Ni-based layered positive-electrode active material cycled at elevated temperatures studied by scanning transmission electron microscopy and electron energy-loss spectroscopy
http://hdl.handle.net/2237/20821
http://hdl.handle.net/2237/20821b5814592-ee66-43d7-890d-fd11e9c1548d
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 | 2014-11-18 | |||||
タイトル | ||||||
タイトル | Degradation analysis of a Ni-based layered positive-electrode active material cycled at elevated temperatures studied by scanning transmission electron microscopy and electron energy-loss spectroscopy | |||||
言語 | en | |||||
著者 |
Kojima, Y.
× Kojima, Y.× Muto, S.× Tatsumi, K.× Kondo, H.× Oka, H.× Horibuchi, K.× Ukyo, Y. |
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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 | This is the author's version of a work that was accepted for publication in Journal of Power Sources. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Power Sources, v.196, n.18, 2011, p.7721–7727, DOI: 10.1016/j.jpowsour.2011.05.017 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lithium ion secondary battery | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cathode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Capacity fading | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Scanning transmission electron microscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Electron energy-loss spectroscopy | |||||
抄録 | ||||||
内容記述 | We investigate the local structural changes in a positive electrode of a lithium ion secondary battery (LiNi0.8Co0.15Al0.05O2 (NCA) as the active material) associated with charge–discharge cycling at elevated temperatures by scanning transmission electron microscopy (STEM) and electron energy-loss spectroscopy (EELS). STEM–EELS spectral imaging reveals the evolution of a NiO-like phase localized near the surface and grain boundary regions after many cycles. The amounts of capacity fading and resistance increase are discussed based on the results of the semiquantitative estimation of NiO-like and other product phases. We also identify the chemical state of lithium in the NiO-like phase substituting for Ni. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
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 | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.jpowsour.2011.05.017 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0378-7753 | |||||
書誌情報 |
en : Journal of Power Sources 巻 196, 号 18, p. 7721-7727, 発行日 2011-09 |
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著者版フラグ | ||||||
値 | author | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.1016/j.jpowsour.2011.05.017 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/20821 | |||||
識別子タイプ | HDL |