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

Boyu Shi Jihyeon Gim Linze Li Chongming WangAnh VuJason R CroyMichael M ThackerayEungje Lee

Published in: Chemical communications (Cambridge, England) (2021)

A novel LiMn0.5Ni0.5O2 cathode with a predominant, partially-disordered lithiated-spinel structure has been prepared by a 'low temperature' (LT) synthesis. Li/LT-LiMn0.5Ni0.5O2 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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