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Boosting Interfacial Binding Force for Highly Efficient and Stable Lithium Metal Anodes

delete2026-09-07
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PRE
AI
S
Shuyuan Xie
Z
Ziping Wang
F
Feilong Dong
Y
YuQing Zhang
L
Linxia Bo
L
Limei Duan
谢海明 封面图
谢海明 (Haiming Xie) *
Y
Yulong Liu *
DOI:10.1002/ente.70622delete
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摘要

摘要

En 中文
无控制的锂枝晶生长和界面副反应严重限制了锂金属负极的性能。在此,我们提出了一种简单有效的方法,在锂金属上构建牢固附着的Ga–Sn层,形成Ga–Sn/Li复合负极。通过利用Ga基液态金属的自修复功能和强烈的Sn–Li相互作用,界面层均化Li+通量,促进锂均匀沉积,抑制副反应,并加速Li+传输动力学。因此,Ga–Sn/Li对称电池在1 mA cm−2和1 mAh cm−2下实现了1200 h的延长循环寿命。Ga–Sn/Li||NCM811全电池在0.5 C倍率下循环200次后容量仍保持125.7 mAh g−1以上,容量保持率为86.7%。本研究为锂金属负极的实际应用提出了一种简单方法,并展示了Ga–Sn合金界面的潜力。
Keyword:
accelerate Li+ transfer kinetics
dendrite suppression
Ga–Sn alloy interfacial layer
interfacial adhesion
Li metal anode

期刊

Energy Technology 封面图
Energy Technology
IF:
3.6
论文数:
4.4K
被引数:
1.1W

机构

C
clean energy technology center
学者数:
2
论文数: 1
被引数: 0
I
Inner Mongolia Minzu University
学者数:
761
论文数: 245
被引数: 21
N
Northeast Normal University
学者数:
3.3K
论文数: 980
被引数: 1.4W
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