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Chemical Communications

In Situ Mössbauer Spectroscopy Confirms Fluoroethylene Carbonate Stabilizes Fe4+ in Charged NaFeO2

Iddrisu Abdul Razak,   Dhilip Kanna Ashok Kumar,   Bomin Li,   Emma Anne Lynch ,   Dennis Brown  and  Yingwen Cheng  

Abstract

Development of Fe-based materials for energy storage are hindered by difficutilies to understand of Fe-ions redox. Here we demonstrate in situ Mössbauer spectroscopy to monitor dynamics Fe⁴⁺ in charged NaFeO2 without dissembling the cell. This allows direct confirmation that a fluoroethylene carbonate (FEC) additive stabilizes the otherwise fast degrading Fe⁴⁺.

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DOI
https://doi.org/10.1039/D5CC00450K
Article type
Communication
Submitted
23 Jan 2025
Accepted
22 Apr 2025
First published
23 Apr 2025

Chem. Commun., 2025, Accepted Manuscript

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In Situ Mössbauer Spectroscopy Confirms Fluoroethylene Carbonate Stabilizes Fe4+ in Charged NaFeO2

I. Abdul Razak, D. K. Ashok Kumar, B. Li, E. A. Lynch , D. Brown and Y. Cheng, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC00450K

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