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Pseudocapacitance of MXene nanosheets for high-power sodium-ion hybrid capacitors
http://hdl.handle.net/10069/35335
http://hdl.handle.net/10069/353359782acba-ae95-454e-9b15-d536efcf35dc
名前 / ファイル | ライセンス | アクション |
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NaCom6_6544.pdf (1.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-05-15 | |||||
タイトル | ||||||
タイトル | Pseudocapacitance of MXene nanosheets for high-power sodium-ion hybrid capacitors | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Wang, Xianfen
× Wang, Xianfen× Kajiyama, Satoshi× Iinuma, Hiroki× Hosono, Eiji× Oro, Shinji× Moriguchi, Isamu× Okubo, Masashi× Yamada, Atsuo |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | High-power Na-ion batteries have tremendous potential in various large-scale applications. However, conventional charge storage through ion intercalation or double-layer formation cannot satisfy the requirements of such applications owing to the slow kinetics of ion intercalation and the small capacitance of the double layer. The present work demonstrates that the pseudocapacitance of the nanosheet compound MXene Ti2C achieves a higher specific capacity relative to double-layer capacitor electrodes and a higher rate capability relative to ion intercalation electrodes. By utilizing the pseudocapacitance as a negative electrode, the prototype Na-ion full cell consisting of an alluaudite Na2Fe2(SO4)3 positive electrode and an MXene Ti2C negative electrode operates at a relatively high voltage of 2.4V and delivers 90 and 40mAhg-1 at 1.0 and 5.0Ag -1 (based on the weight of the negative electrode), respectively, which are not attainable by conventional electrochemical energy storage systems. | |||||
書誌情報 |
Nature Communications 巻 6, p. 6544, 発行日 2015-04-02 |
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出版者 | ||||||
出版者 | Nature Publishing Group | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20411723 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/ncomms7544 | |||||
権利 | ||||||
権利情報 | c 2015 Macmillan Publishers Limited. | |||||
権利 | ||||||
権利情報 | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Nature Communications, 6, 6544; 2015 |