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代替タイトル: レドックス可能な酸化マンガン／コバルトナノシートの合成と置換化学

説明:

We successfully synthesized Co-substituted MnO2 nanosheets with a composition of Mn1－xCoxO2 (x = 0.2－0.5) by exfoliating the protonated form of Na0.6Mn1－xCoxO2 and studied the electrochemical properties of the exfoliated Mn1－xCoxO2 nanosheets. Protonation can be achieved along with the preservation of the chemical composition of the host layers of the starting material. We clarified different charge compensation mechanisms against cobalt doping in the two different systems, Na-Mn1－xCoxO2 and H-Mn1－xCoxO2. The ratio of Mn to Co did not change upon exfoliation, yielding Mn1－xCoxO2 nanosheets. The obtained nanosheets showed improved cycle performance compared to MnO2 nanosheets, making them favorable for applications such as energy-storage devices.

権利情報:

• In Copyright
  This document is the Accepted Manuscript version of a Published Work that appeared in final form in Synthesis and Substitution Chemistry of Redox-Active Manganese/Cobalt Oxide Nanosheets, copyright © 2018 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.chemmater.7b04068

キーワード: 2D materials, Manganese oxide, Cobalt substitution, Electrochemical capacitors

刊行年月日: 2018-03-13

出版者: American Chemical Society (ACS)

掲載誌:

• CHEMISTRY OF MATERIALS (ISSN: 08974756) vol. 30 issue. 5 p. 1517-1523

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4243

公開URL: https://doi.org/10.1021/acs.chemmater.7b04068

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更新時刻: 2024-01-05 22:12:47 +0900

MDRでの公開時刻: 2023-10-11 13:30:16 +0900