The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries

Li‐based secondary batteries are now attracting soaring research attention as a promising energy storage system with high energy density for commercial applications. However, the high‐energy systems meanwhile are causing serious concerns on safety issues due to unstable interfaces on both cathodes a...

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Autores principales:	Mu-Yao Qi, Yan-Song Xu, Si-Jie Guo, Si-Dong Zhang, Jin-Yang Li, Yong-Gang Sun, Ke-Cheng Jiang, An-Min Cao, Li-Jun Wan
Formato:	article
Lenguaje:	EN
Publicado:	Wiley-VCH 2021
Materias:	fluorination treatment interphase stability of lithium metal batteries Li-based secondary batteries solid electrolyte interphase surface modification of electrode materials Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/59a6a1f3b61c4699b0b137e63774ca97
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spelling	oai:doaj.org-article:59a6a1f3b61c4699b0b137e63774ca972021-11-16T03:55:58ZThe Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries2688-404610.1002/smsc.202100066https://doaj.org/article/59a6a1f3b61c4699b0b137e63774ca972021-11-01T00:00:00Zhttps://doi.org/10.1002/smsc.202100066https://doaj.org/toc/2688-4046Li‐based secondary batteries are now attracting soaring research attention as a promising energy storage system with high energy density for commercial applications. However, the high‐energy systems meanwhile are causing serious concerns on safety issues due to unstable interfaces on both cathodes and anodes. To improve interphase stability upon extended cycles, surface fluorinated treatment becomes highly desirable due to its unique capability in modulating the chemistry of electrode/electrolyte interface to ensure a stable electrochemical performance. Accordingly, it is essential that a deeper understanding on the solid electrolyte interphase (SEI), especially the role of fluorine‐containing components, is demanded to guide the interface design. This review begins with an introduction to the fundamental knowledge on the structure of SEI with focus on the unique physiochemical properties of fluorides. Detailed discussions are then taken on the control strategies for a reliable construction of fluoride‐based interfaces, which typically includes the surface coating of metal fluorides on cathodes and ex situ/in situ fluorination on lithium, based on which the structure–performance relationship is elaborated to inspire a rational interface engineering. Finally, perspectives are provided to give insights into the possible research directions of fluorinated SEI for further development of rechargeable Li batteries.Mu-Yao QiYan-Song XuSi-Jie GuoSi-Dong ZhangJin-Yang LiYong-Gang SunKe-Cheng JiangAn-Min CaoLi-Jun WanWiley-VCHarticlefluorination treatmentinterphase stability of lithium metal batteriesLi-based secondary batteriessolid electrolyte interphasesurface modification of electrode materialsMaterials of engineering and construction. Mechanics of materialsTA401-492ENSmall Science, Vol 1, Iss 11, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fluorination treatment interphase stability of lithium metal batteries Li-based secondary batteries solid electrolyte interphase surface modification of electrode materials Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	fluorination treatment interphase stability of lithium metal batteries Li-based secondary batteries solid electrolyte interphase surface modification of electrode materials Materials of engineering and construction. Mechanics of materials TA401-492 Mu-Yao Qi Yan-Song Xu Si-Jie Guo Si-Dong Zhang Jin-Yang Li Yong-Gang Sun Ke-Cheng Jiang An-Min Cao Li-Jun Wan The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
description	Li‐based secondary batteries are now attracting soaring research attention as a promising energy storage system with high energy density for commercial applications. However, the high‐energy systems meanwhile are causing serious concerns on safety issues due to unstable interfaces on both cathodes and anodes. To improve interphase stability upon extended cycles, surface fluorinated treatment becomes highly desirable due to its unique capability in modulating the chemistry of electrode/electrolyte interface to ensure a stable electrochemical performance. Accordingly, it is essential that a deeper understanding on the solid electrolyte interphase (SEI), especially the role of fluorine‐containing components, is demanded to guide the interface design. This review begins with an introduction to the fundamental knowledge on the structure of SEI with focus on the unique physiochemical properties of fluorides. Detailed discussions are then taken on the control strategies for a reliable construction of fluoride‐based interfaces, which typically includes the surface coating of metal fluorides on cathodes and ex situ/in situ fluorination on lithium, based on which the structure–performance relationship is elaborated to inspire a rational interface engineering. Finally, perspectives are provided to give insights into the possible research directions of fluorinated SEI for further development of rechargeable Li batteries.
format	article
author	Mu-Yao Qi Yan-Song Xu Si-Jie Guo Si-Dong Zhang Jin-Yang Li Yong-Gang Sun Ke-Cheng Jiang An-Min Cao Li-Jun Wan
author_facet	Mu-Yao Qi Yan-Song Xu Si-Jie Guo Si-Dong Zhang Jin-Yang Li Yong-Gang Sun Ke-Cheng Jiang An-Min Cao Li-Jun Wan
author_sort	Mu-Yao Qi
title	The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
title_short	The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
title_full	The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
title_fullStr	The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
title_full_unstemmed	The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries
title_sort	functions and applications of fluorinated interface engineering in li‐based secondary batteries
publisher	Wiley-VCH
publishDate	2021
url	https://doaj.org/article/59a6a1f3b61c4699b0b137e63774ca97
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The Functions and Applications of Fluorinated Interface Engineering in Li‐Based Secondary Batteries

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