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Li+ Insertion/Extraction Properties for TiNb2O7 Single Particle Characterized by a Particle-Current Collector Integrated Microelectrode
https://repo.lib.tut.ac.jp/records/2052
https://repo.lib.tut.ac.jp/records/2052c2a9c9dc-fb7f-4108-8e9e-149a95c098d8
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 | 2018-12-07 | |||||
タイトル | ||||||
タイトル | Li+ Insertion/Extraction Properties for TiNb2O7 Single Particle Characterized by a Particle-Current Collector Integrated Microelectrode | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Li+ Insertion/Extraction Properties for TiNb2O7 Single Particle Characterized by a Particle-Current Collector Integrated Microelectrode | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
稲田, 亮史
× 稲田, 亮史× 熊坂, 玲衣× 稻邊, 秀斗× 東城, 友都× 櫻井, 庸司× Inada, Ryoji× Kumasaka, Rei× Inabe, Shuto× Tojo, Tomohiro× Sakurai, Yoji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, we evaluate the electrochemical properties of TiNb2O7 (TNO) single particle using a particle-current collector integrated microelectrode, in which TNO single particle with the size of approximately 10 μm was bonded on the tip of a tungsten microelectrode by platinum deposition using a focused ion beam process unit (FIB). Cyclic voltammogram of TNO single particle showed the reversible redox peaks at around 1.6−1.7 V vs. Li/Li+. Anodic peak current is higher than cathodic one at a fixed scan rate, indicating faster reaction during Li+ extraction (i.e. discharge) than Li+ insertion (i.e. charge) of TNO particle. This tendency was also confirmed in C-rate dependence of charge and discharge capacities. From the results for galvanostatic intermittent titration testing (GITT), we confirmed that at the equilibrium potential vs. Li/Li+ below 1.5 V, apparent chemical diffusion coefficient of Li+ in TNO at Li+ extraction process is much larger than at Li+ insertion process. Furthermore, the capacity retention of TNO single particle tested at current of 10C after 2000 cycles was above 99%, indicating excellent intrinsic stability of TNO single particle for Li+ insertion and extraction reaction. | |||||
書誌情報 |
Jornal of The Elctrochemical Society en : Jornal of The Elctrochemical Society 巻 166, 号 3, p. A5157-A5162, 発行日 2019 |
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出版者 | ||||||
出版者 | The Electrochemical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0013-4651 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1149/2.0241903jes | |||||
権利 | ||||||
権利情報 | © The Author(s) 2018. Published by ECS.This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://jes.ecsdl.org/content/166/3/A5157.full | |||||
関連名称 | The Electrochemical Society | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
キーワード | ||||||
主題 | Batteries-Lithium | |||||
キーワード | ||||||
主題 | Anode material | |||||
キーワード | ||||||
主題 | Lithium-ion battery | |||||
キーワード | ||||||
主題 | TiNb2O7 | |||||
キーワード | ||||||
主題 | Batteries-Lithium | |||||
キーワード | ||||||
主題 | Anode material | |||||
キーワード | ||||||
主題 | Lithium-ion battery | |||||
キーワード | ||||||
主題 | TiNb2O7 |