Distinguishing Bulk Redox from Near-Surface Degradation in Lithium Nickel Oxide Cathodes

Energy Environ. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4EE02398F, Paper

Open Access

&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.

Lijin An, Ruomu Zhang, Pravin N. Didwal, Michael W. Fraser, Leanne A. H. Jones, Conor M. E. Phelan, Namrata Ramesh, Grant Harris, Robert S Weatherup, Jack E. N. Swallow, Peixi Cong, Andrey Poletayev, Erik Björklund, Christophe Sahle, Pilar Ferrer, David C. Grinter, Peter Bencok, Shusaku Hayama, Saiful Islam, Robert House, Peter D Nellist, Robert J. Green, Rebecca J Nicholls
Ni-rich layered oxide cathodes can deliver higher energy density batteries, but uncertainties remain over their charge compensation mechanisms and the degradation processes that limit cycle life. Trapped molecular O2 has been…
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