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250103s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202415805
|2 doi
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|a pubmed24n1650.xml
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|a (DE-627)NLM382346246
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|a (NLM)39748647
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Lee, Hyun-Wook
|e verfasserin
|4 aut
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|a Reactive Oxygen Species Resistive Redox Mediator in Lithium-Oxygen Batteries
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 03.01.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2025 Wiley‐VCH GmbH.
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|a The utilization of redox mediators (RMs) in lithium-oxygen batteries (LOBs) has underscored their utility in high overpotential during the charging process. Among the currently known RMs, it is exceptionally challenging to identify those with a redox potential capable of attenuating singlet oxygen (1O2) generation while resisting degradation by reactive oxygen species (ROS), such as 1O2 and superoxide (O2 •-). In this context, computational and experimental approaches for rational molecular design have led to the development of 7,7'-bi-7-azabicyclo[2.2.1]heptane (BAC), a newly suggested RM incorporating N-N interconnected aza-bicycles. BAC harnesses the advantages of falling within the potential range that suppresses 1O2 generation, as previously reported N-N embedded non-bicyclic RMs, and effectively defends against ROS-induced degradation due to the incorporation of a novel bicyclic moiety. Unlike the non-bicyclic RMs, which exhibit reduced O2 evolution after exposure to 1O2, BAC maintains consistent O2 profiles during charging, indicating its superior 1O2 resistance and steady redox-catalyst performance in LOBs. This study introduces a precise and rational design strategy for low-molecular-weight RMs, marking a significant step forward in advancing LOB development by improving efficiency, stability, and practical applicability
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|a Journal Article
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|a lithium–oxygen batteries
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|a reactive oxygen species
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|a redox mediator
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|a singlet oxygen
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|a superoxide
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|a Hwang, Jiwon
|e verfasserin
|4 aut
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|a Kim, Ja-Yeong
|e verfasserin
|4 aut
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|a Morais, Gabriel N
|e verfasserin
|4 aut
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|a Tang, Katie S
|e verfasserin
|4 aut
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|a Choi, Myungsoo
|e verfasserin
|4 aut
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|a Choi, Haeun
|e verfasserin
|4 aut
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|a Youn, Hong-Bin
|e verfasserin
|4 aut
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| 700 |
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|a Kim, Seoung-Tae
|e verfasserin
|4 aut
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|a Ha, Jee Ho
|e verfasserin
|4 aut
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|a Kang, Seok Ju
|e verfasserin
|4 aut
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|a Chen, Shuming
|e verfasserin
|4 aut
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|a Suh, Sung-Eun
|e verfasserin
|4 aut
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|a Kwak, Won-Jin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2025) vom: 03. Jan., Seite e2415805
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g year:2025
|g day:03
|g month:01
|g pages:e2415805
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|u http://dx.doi.org/10.1002/adma.202415805
|3 Volltext
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