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P3-type layered K0.48Mn0.4Co0.6O2: a novel cathode material for potassium-ion batteries

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Abstract

P3-type layered K0.48Mn0.4Co0.6O2 was synthesized using a solid-state method. By stabilising into a rhombohedral structure [s.g. R3m (#160)], it delivers a reversible capacity of 64 mA h g−1 with a nominal voltage of ∼3.0 V (vs. K/K+) and it has good cycling stability. It involves a solid-solution redox mechanism, and forms an economical and stable oxide insertion material for potassium-ion batteries.

Graphical abstract: P3-type layered K0.48Mn0.4Co0.6O2: a novel cathode material for potassium-ion batteries

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Article information


Submitted
27 Aug 2019
Accepted
02 Jan 2020
First published
02 Jan 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

P3-type layered K0.48Mn0.4Co0.6O2: a novel cathode material for potassium-ion batteries

K. Sada and P. Barpanda, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC06657H

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