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Tunable solid electrolyte interphase formation on SiO anodes using SnO artificial layers for Lithium-ion batteries

Title
Tunable solid electrolyte interphase formation on SiO anodes using SnO artificial layers for Lithium-ion batteries
Authors
Baek, Seong-HoJeong, Young-MinShin, Chul SeungChoi, Joon ByungHan, Hwan Jeong
DGIST Authors
Baek, Seong-Ho; Jeong, Young-Min; Shin, Chul Seung; Choi, Joon Byung; Han, Hwan Jeong
Issue Date
2021-05
Citation
Applied Surface Science, 549, 149028
Type
Article
Author Keywords
Artificial layerAtomic layer depositionLithium-ion batteriesSilicon monoxideSolid electrolyte interphase
ISSN
0169-4332
Abstract
In this study, we investigated the effects of SnO artificial layer on the solid electrolyte interphase (SEI) in SiO anodes by varying the layer thickness via the atomic layer deposition technique. Two major SEI components, namely LiF and Li2CO3, were obtained from the electrolyte decomposition, which appeared on the anode surface depending on the artificial SnO–layer thickness. Experimental results revealed that the excellent interfacial kinetics of the SnO-100 sample originated from the multi-component SEI suppressing the electrolyte decomposition. The thickness of the SnO artificial layer was optimized based on the electrochemical performance. Therefore, it can be inferred that artificial layer on anodes provides an efficient way to control the SEI composition and improves the electrochemical activities of the anode materials. © 2021 Elsevier B.V.
URI
http://hdl.handle.net/20.500.11750/13818
DOI
10.1016/j.apsusc.2021.149028
Publisher
Elsevier BV
Related Researcher
Files:
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Collection:
Division of Energy Technology1. Journal Articles


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