LT-LiMn0.5Ni0.5O2: a unique co-free cathode for high energy Li-ion cells | Zendy

Boyu Shi | Zendy; Jihyeon Gim | Zendy; Linze Li | Zendy; Chongmin Wang | Zendy; Anh Vu | Zendy; Jason R. Croy | Zendy; Michael M. Thackeray | Zendy; Eungje Lee | Zendy

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LT-LiMn_0.5Ni_0.5O₂: a unique co-free cathode for high energy Li-ion cells

Author(s) -

Boyu Shi,

Jihyeon Gim,

Linze Li,

Chongmin Wang,

Anh Vu,

Jason R. Croy,

Michael M. Thackeray,

Eungje Lee

Publication year - 2021

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/d1cc04334j

Subject(s) - spinel , cathode , ion , nickel , redox , materials science , inorganic chemistry , crystallography , chemistry , metallurgy , organic chemistry

A novel LiMn 0.5 Ni 0.5 O 2 cathode with a predominant, partially-disordered lithiated-spinel structure has been prepared by a 'low temperature' (LT) synthesis. Li/LT-LiMn 0.5 Ni 0.5 O 2 cells operate between 5.0 and 2.5 V with good cycling stability, yielding a capacity of 225 mA h g -1 , principally by redox reactions on the nickel ions on distinct voltage plateaus at ∼3.6 V and ∼4.6 V.

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