Distinguishing bulk redox from near-surface degradation in lithium nickel oxide cathodes

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 O 2 has been identified within LiNiO 2 at high states of charge, as seen for Li-rich c...

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Veröffentlicht in:	Energy & environmental science 2024-10, Vol.17 (21), p.8379-8391
Hauptverfasser:	An, Lijin, Swallow, Jack E. N, Cong, Peixi, Zhang, Ruomu, Poletayev, Andrey D, Björklund, Erik, Didwal, Pravin N, Fraser, Michael W, Jones, Leanne A. H, Phelan, Conor M. E, Ramesh, Namrata, Harris, Grant, Sahle, Christoph J, Ferrer, Pilar, Grinter, David C, Bencok, Peter, Hayama, Shusaku, Islam, M. Saiful, House, Robert, Nellist, Peter D, Green, Robert J, Nicholls, Rebecca J, Weatherup, Robert S
Format:	Artikel
Sprache:	eng
Schlagworte:	Batteries Bulk density Cathodes Chemistry Degradation Electrolytes Electron density Energy charge Lithium Nickel Surface layers Surface stability
Online-Zugang:	Volltext
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