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Phonon RIXS signatures reveal polaron formation in oxygen redox Li- and Na-ion battery cathodes

Year: 2025

Type: article

Abstract: Vibrationally resolved O K-edge RIXS reveals phonon signatures of strong electron–phonon coupling in oxygen-redox Li- and Na-ion cathodes. Despite different lattice dynamics, both form stabilized oxygen-hole polarons at full charge.

Source: Journal of Materials Chemistry A

DOI: 10.1039/d5ta07689g

Authors: Moritz Hirsbrunner, Pontus Törnblom, Sahil Tippireddy, Ke-Jin Zhou, Mirian Garcia-Fernandez, Robert A. House, Håkan Rensmo, Laurent C. Duda

Institutions: Uppsala University, Diamond Light Source, University of Oxford

Language: English

Topic: Advancements in Battery Materials

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

Funders: Vetenskapsrådet, Energimyndigheten

Awards: Atomic level interfacial engineering of perovskites for optoelectronics, G1901121352, Energy materials studies at MAX IV – Development of Solar Cells and Batteries, Investigation of atomic precesses at interphases in batteries using new methodology

OpenAlex ID: W7117572560

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Cites: 33

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