Bulk and surface structural changes in high nickel cathodes subjected to fast charging conditions | Zendy

Tianyi Liu | Zendy; Zhijia Du | Zendy; Xianyang Wu | Zendy; Muhammad Mominur Rahman | Zendy; Dennis Nordlund | Zendy; Kejie Zhao | Zendy; Michael Schülz | Zendy; Feng Lin | Zendy; David L. Wood | Zendy; Ilias Belharouak | Zendy

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Bulk and surface structural changes in high nickel cathodes subjected to fast charging conditions

Author(s) -

Tianyi Liu,

Zhijia Du,

Xianyang Wu,

Muhammad Mominur Rahman,

Dennis Nordlund,

Kejie Zhao,

Michael Schülz,

Feng Lin,

David L. Wood,

Ilias Belharouak

Publication year - 2020

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d0cc02579h

Subject(s) - cathode , electrochemistry , nickel , lithium (medication) , materials science , oxide , ion , chemical engineering , crystal structure , nickel oxide , inorganic chemistry , metallurgy , crystallography , chemistry , electrode , organic chemistry , engineering , medicine , endocrinology

A layered oxide cathode, LiNi0.6Mn0.2Co0.2O2, undergoes noticeable crystal expansion by losing significantly higher amounts of Li+ at the end of fast charging cycles. However, the bulk structure of the cycled NMC622 is restored back to its pristine discharged state when intercalated with enough lithium ions during an electrochemical process.

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