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P3-Type Layered K0.48Mn0.4Co0.6O2: A Novel Cathode Material for Potassium-Ion Battery

Abstract

P3-type layered K0.48Mn0.4Co0.6O2 was synthesized using solid-state method. Stabilising into rhombohedral structure [s.g. R3m (#160)], it delivered a reversible capacity of 64 mA h g-1 with a nominal voltage of ~3.0 V (vs. K/K+) and good cycling stability. Involving solid-solution redox mechanism, it forms an economic and stable oxide insertion 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, Accepted Manuscript
Article type
Communication

P3-Type Layered K0.48Mn0.4Co0.6O2: A Novel Cathode Material for Potassium-Ion Battery

K. Sada and P. Barpanda, Chem. Commun., 2020, Accepted Manuscript , DOI: 10.1039/C9CC06657H

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