Modulating SEI formation via tuning the solvation sheath for lithium metal batteries

The solvation sheath of Li + –glyme was modulated to enhance Li + –TFSI − association by adopting a highly polar solvent, especially water molecules, which affects the solid electrolyte interface (SEI) layer composition. By the Li + –TFSI − association, a TFSI − anion-derived SEI layer is formed on...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2022-08, Vol.58 (70), p.9834-9837
Main Authors: Sun, Seho, Kim, Gaeun, Lee, Dongsoo, Park, Eunkyung, Myeong, Seungcheol, Son, Byoungkuk, Lee, Kangchun, Jang, Minchul, Paik, Ungyu, Song, Taeseup
Format: Article
Language:English
Subjects:
Lithium batteries
Sheaths
Solid electrolytes
Solvation
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Summary:The solvation sheath of Li + –glyme was modulated to enhance Li + –TFSI − association by adopting a highly polar solvent, especially water molecules, which affects the solid electrolyte interface (SEI) layer composition. By the Li + –TFSI − association, a TFSI − anion-derived SEI layer is formed on the Li metal anode, resulting in higher Li metal anode efficiency.
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc03364j