Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides

Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides

Lithium ion battery electrodes employing anion redox exhibit high energy densities but suffer from poor cyclability. Here the authors reveal that the voltage of anion redox is strongly affected by structural changes that occur during battery cycling, explaining its unique electrochemical properties.

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Auteurs principaux: William E. Gent, Kipil Lim, Yufeng Liang, Qinghao Li, Taylor Barnes, Sung-Jin Ahn, Kevin H. Stone, Mitchell McIntire, Jihyun Hong, Jay Hyok Song, Yiyang Li, Apurva Mehta, Stefano Ermon, Tolek Tyliszczak, David Kilcoyne, David Vine, Jin-Hwan Park, Seok-Kwang Doo, Michael F. Toney, Wanli Yang, David Prendergast, William C. Chueh
Format: article
Langue:EN
Publié: Nature Portfolio 2017
Sujets:
Science
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Accès en ligne:https://doaj.org/article/5aa688f5f589431b9b0c54a35c3a61b5
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https://doaj.org/article/5aa688f5f589431b9b0c54a35c3a61b5

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