阳极
电解质
材料科学
化学工程
电化学
图层(电子)
锂(药物)
分解
涂层
原子层沉积
相间
电极
纳米技术
化学
生物
医学
工程类
内分泌学
物理化学
有机化学
遗传学
作者
Seong‐Ho Baek,Youngmin Jeong,Seung Chul Shin,Byung Joon Choi,Jeong Hwan Han
标识
DOI:10.1016/j.apsusc.2021.149028
摘要
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.
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