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  1. No Access

    Article

    Electrochemical ion insertion from the atomic to the device scale

    Electrochemical ion insertion involves coupled ion–electron transfer reactions, transport of guest species and redox of the host. The hosts are typically anisotropic solids with 2D conduction planes but can al...

    Aditya Sood, Andrey D. Poletayev, Daniel A. Cogswell… in Nature Reviews Materials (2021)

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    Article

    Persistent and partially mobile oxygen vacancies in Li-rich layered oxides

    Increasing the energy density of layered oxide battery electrodes is challenging as accessing high states of delithiation often triggers voltage degradation and oxygen release. Here we utilize transmission-bas...

    Peter M. Csernica, Samanbir S. Kalirai, William E. Gent, Kipil Lim… in Nature Energy (2021)

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    Article

    Metal–oxygen decoordination stabilizes anion redox in Li-rich oxides

    Reversible high-voltage redox chemistry is an essential component of many electrochemical technologies, from (electro)catalysts to lithium-ion batteries. Oxygen-anion redox has garnered intense interest for su...

    Jihyun Hong, William E. Gent, Penghao **ao, Kipil Lim, Dong-Hwa Seo… in Nature Materials (2019)