Impact of Transition Metal Layer Vacancy on the Structure and Performance of P2 Type Layered Sodium Cathode Material

Orynbay Zhanadilov; Sourav Baiju; Natalia Voronina; Jun Ho Yu; A-Yeon Kim; Hun-Gi Jung; Kyuwook Ihm; Olivier Guillon; Payam Kaghazchi; Seung-Taek Myung

doi:10.1007/s40820-024-01439-9

Nano-Micro Letters (Jul 2024)

Impact of Transition Metal Layer Vacancy on the Structure and Performance of P2 Type Layered Sodium Cathode Material

Orynbay Zhanadilov,
Sourav Baiju,
Natalia Voronina,
Jun Ho Yu,
A-Yeon Kim,
Hun-Gi Jung,
Kyuwook Ihm,
Olivier Guillon,
Payam Kaghazchi,
Seung-Taek Myung

Affiliations

Orynbay Zhanadilov: Department of Nanotechnology and Advanced Materials Engineering and Sejong Battery Institute, Hybrid Materials Research Center, Sejong University
Sourav Baiju: Institute of Energy and Climate Research-Materials Synthesis and Processing (IEK-1), Forschungszentrum Jülich GmbH
Natalia Voronina: Department of Nanotechnology and Advanced Materials Engineering and Sejong Battery Institute, Hybrid Materials Research Center, Sejong University
Jun Ho Yu: Department of Nanotechnology and Advanced Materials Engineering and Sejong Battery Institute, Hybrid Materials Research Center, Sejong University
A-Yeon Kim: Center for Energy Storage Research, Korea Institute of Science and Technology
Hun-Gi Jung: Center for Energy Storage Research, Korea Institute of Science and Technology
Kyuwook Ihm: Pohang Accelerator Laboratory
Olivier Guillon: Institute of Energy and Climate Research-Materials Synthesis and Processing (IEK-1), Forschungszentrum Jülich GmbH
Payam Kaghazchi: Institute of Energy and Climate Research-Materials Synthesis and Processing (IEK-1), Forschungszentrum Jülich GmbH
Seung-Taek Myung: Department of Nanotechnology and Advanced Materials Engineering and Sejong Battery Institute, Hybrid Materials Research Center, Sejong University

DOI: https://doi.org/10.1007/s40820-024-01439-9
Journal volume & issue: Vol. 16, no. 1
pp. 1 – 19

Abstract

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Highlights Vacancy in the transition metal layer of sodium cathode material induces the formation lone-pair electrons in the O 2p orbital. Material delivers more capacity from the oxygen redox validated by density functional calculation. Widened dominance of the OP4 phase without releasing O2 gas.

Published in Nano-Micro Letters

ISSN: 2311-6706 (Print); 2150-5551 (Online)
Publisher: SpringerOpen
Country of publisher: Germany
LCC subjects: Technology
Website: http://www.springer.com/40820

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