P3 type layered oxide frameworks: An appealing family of insertion materials for K-ion batteries

Jha, PK and Pralong, V and Fichtner, M and Barpanda, P (2023) P3 type layered oxide frameworks: An appealing family of insertion materials for K-ion batteries. In: Current Opinion in Electrochemistry, 38 .

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Abstract

K-ion batteries (KIBs) offer an efficient technological alternative to the state-of-the-art Li-ion batteries (LIBs) as energy storage devices with similar chemistry, comparable energy densities, elemental economy and uniformly distributed abundant resources. Nonetheless, their practical implementation warrants robust cathode materials that can yield high gravimetric/volumetric energy density, stable cycle life, and high-rate capability. In this scenario, P3 type layered oxides form an appealing family of KIB cathodes, which includes single transition metal based KxMO2 (M = transition metals) and multiple transition metals based KxM11-yM2yO2 and KxM11-y-zM2yM3zO2 (M1, M2, M3 = transition metals). They possess easy and scalable synthesis, high reversible capacity, and adequate operating potential. The current review attempts to capture the most recent advancements in the P3 type KIB cathodes focusing on structural stability, structure–property correlation, and electrochemical performance with suggestions for further material optimization. Finally, the challenges and potential of these P3 type oxide cathodes have been addressed to guide their future research and development as intercalation materials. © 2023 Elsevier B.V.

Item Type:	Journal Article
Publication:	Current Opinion in Electrochemistry
Publisher:	Elsevier B.V.
Additional Information:	The copyrights of this article belong to Elsevier B.V.
Keywords:	Ions; Lithium-ion batteries; Stability; Transition metals; Abundant resources; Cathodes material; Energy density; Insertion materials; Ion batteries; K-ion battery; Layered oxides; P3 framework; State of the art; Technological alternatives; Cathodes
Department/Centre:	Division of Chemical Sciences > Materials Research Centre
Date Deposited:	14 Mar 2023 05:33
Last Modified:	14 Mar 2023 05:33
URI:	https://eprints.iisc.ac.in/id/eprint/80906

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