Spontaneously formed interfacial structure boosting dendrite-free Li metal batteries

被引：0

作者：

Pan, Lehao ^{[1
]}

Liu, Fengquan ^{[1
]}

Xiang, Tianqi ^{[2
]}

Dong, Chang ^{[2
]}

You, Tao ^{[1
]}

Zhang, Yuying ^{[1
]}

Wang, Chen ^{[1
]}

Li, Lin ^{[1
,2
]}

机构：

[1] Qingdao Univ, Coll Text & Clothing, State Key Lab Biofibers & Ecotext, Qingdao 266071, Peoples R China

[2] Beijing Normal Univ, Coll Chem, Beijing Key Lab Energy Convers & Storage Mat, Beijing 100875, Peoples R China

来源：

SURFACES AND INTERFACES | 2024年 / 54卷

关键词：

Recrystallization; Solid electrolyte interface; Dendrite-free Li metal batteries; LITHIUM; ELECTROLYTE;

D O I：

10.1016/j.surfin.2024.105124

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein a spontaneously formed solid electrolyte interface (SEI) layer with modified spherical structure is prepared by a simple strategy. Caprolactone (CL) is in-situ polymerized to polycaprolactone (PCL) after being triggered by Li metal, and turned into spherical distribution at the surface of Li after recrystallization treatment. Spontaneously formed spherical structure restrains the growth of Li dendrites and boosts homogeneous Li deposition. The Li||Li symmetrical cells present stable plating/stripping behavior at current density of 0.5 to 1.0 mA cm(-2) and exhibit excellent cycling stability. This work provides inspiration for restraining the growth of Li dendrites and building stable electrolyte/metal anode interfaces.

引用

页数：6

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