Effects of Solvation Structures on the Co-intercalation Suppression Ability of the Solid Electrolyte Interphase Formed on Graphite Electrodes

被引：2

作者：

Inoo, Akane ^{[1
]}

Fukutsuka, Tomokazu ^{[2
]}

Miyahara, Yuto ^{[3
]}

Kondo, Yasuyuki ^{[4
]}

Yokoyama, Yuko ^{[3
]}

Miyazaki, Kohei ^{[3
]}

Abe, Takeshi ^{[3
]}

机构：

[1] Univ Hyogo, Grad Sch Engn, Dept Appl Chem, Himeji, Hyogo, Japan

[2] Nagoya Univ, Grad Sch Engn, Dept Elect Engn, Nagoya, Aichi, Japan

[3] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Kyoto, Japan

[4] Osaka Univ, SANKEN Inst Sci & Ind Res, Ibaraki, Japan

来源：

CHEMISTRY LETTERS | 2022年 / 51卷 / 06期

关键词：

Solid electrolyte interphase; Graphite electrodes; Lithium-ion batteries; SURFACE-FILM FORMATION; CARBONATE-BASED ELECTROLYTES; LITHIUM-ION BATTERIES; EDGE PLANE GRAPHITE; SPECTROSCOPIC ANALYSIS; NEGATIVE ELECTRODE; BEHAVIOR; MECHANISM; SOLVENTS; LAYERS;

D O I：

10.1246/cl.220101

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effect of solvation structures on solvated Li+ migration in a solid electrolyte interphase (SEI) was investigated using glyme-solvated Li+ as probes for co-intercalation reactions. The intercalation of bare Li+ into graphite occurred in the presence of the SEI derived from vinylene carbonate and when butyl methyl triglyme was the solvent. Based on the results of density functional theory calculations, both the size of solvated Li+ and the width of the ionic path of SEIs are crucial to determine whether is desolvated.

引用

页码：618 / 621

页数：4

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