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Bielawsk, Christopher W
다차원 탄소재료 연구단
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Regulating the Solvation Structure of Potassium Ions Using a Multidentate Ether in Potassium Metal Batteries

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Title
Regulating the Solvation Structure of Potassium Ions Using a Multidentate Ether in Potassium Metal Batteries
Author(s)
Chen, Chao; Zhou, Ji; Gong, Wenbin; Fan, Xueying; Meng, Xiaodong; Chen, Shang; Sun, Longhua; Meng, Yongqiang; Tao, Kangjia; Ulgu, Burak; Sun, Pingchuan; Christopher W. Bielawski; Geng, Jianxin
Publication Date
2022-09
Journal
ACS APPLIED ENERGY MATERIALS, v.5, no.9, pp.10366 - 10374
Publisher
AMER CHEMICAL SOC
Abstract
Potassium (K) is regarded as an alternative to lithium (Li) for use in contemporary energy storage devices owing to its high abundance and low electrochemical potential. However, because K ions are larger than Li ions, they exhibit different solvation properties that can ultimately affect device performance. Herein, a multidentate ether-based electrolyte is demonstrated to effectively solvate K ions and the solvation structures can be further modulated with cosolvents. The use of the multidentate ether-based electrolyte also suppresses the formation of K dendrites and significantly enhances the cycling stability of K//K symmetric cells (e.g., over 2000 h at 0.25 mA cm(-2)).
URI
https://pr.ibs.re.kr/handle/8788114/12360
DOI
10.1021/acsaem.2c01504
ISSN
2574-0962
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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