Modulating SEI formation 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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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2022-08, Vol.58 (7), p.9834-9837
Hauptverfasser: Sun, Seho, Kim, Gaeun, Lee, Dongsoo, Park, Eunkyung, Myeong, Seungcheol, Son, Byoungkuk, Lee, Kangchun, Jang, Minchul, Paik, Ungyu, Song, Taeseup
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container_end_page 9837
container_issue 7
container_start_page 9834
container_title Chemical communications (Cambridge, England)
container_volume 58
creator Sun, Seho
Kim, Gaeun
Lee, Dongsoo
Park, Eunkyung
Myeong, Seungcheol
Son, Byoungkuk
Lee, Kangchun
Jang, Minchul
Paik, Ungyu
Song, Taeseup
description 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. Water-induced solvation sheath control enables higher efficiency of Li metal usage, resulting from novel anion-derived SEI layer formation.
doi_str_mv 10.1039/d2cc03364j
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title Modulating SEI formation tuning the solvation sheath for lithium metal batteries
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