Stable lithium metal batteries enabled by Al-Li/LiF composite artificial interfacial layer

被引：0

作者：

Guojie Li ^{[1
]}

Xuan Liang ^{[2
]}

Junlong Zhang ^{[1
]}

Bin Guo ^{[1
]}

Baoguang Mao ^{[1
]}

Hongming Sun ^{[4
]}

Aoxuan Wang ^{[5
]}

Qibo Deng ^{[2
]}

Chuntai Liu ^{[3
]}

机构：

[1] State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou

[2] Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin

[3] School of Mechanical Engineering, Hebei University of Technology, Tianjin

[4] State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing

[5] Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin

来源：

Frontiers of Chemical Science and Engineering | 2025年 / 19卷 / 5期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

artificial solid electrolyte interphase; dendrite growth; lithium metal anode; stability;

D O I：

10.1007/s11705-025-2539-0

中图分类号：

学科分类号：

摘要：

Lithium metal anode represents the ultimate solution for next-generation high-energy-density batteries but is plagued from commercialization by side reactions, substantial volume fluctuation, and the notorious growth of lithium dendrites. These hazardous issues are further aggravated under real-world conditions. In this study, a stable Al-Li/LiF artificial interphase with rapid ion transport pathways is created through a one-step chemical pretreatment process, effectively addressing these challenges simultaneously. As a consequence, the composite interfacial layer exhibits exceptional ionic conductivity, mechanical strength, and electrolyte wettability, ensuring swift Li+ transfer diffusion while suppressing lithium dendrite growth. Remarkably, the Al-Li/LiF symmetric cell provides a cycle life exceeding 2300 h with a low polarization at 0.5 mA·cm−2. Furthermore, its enhanced cycling stability and capacity retention as well as capacity utilization stability pairing with LiFePO4 and LiNi0.8Co0.1Mn0.1O2 cathodes, highlighting the proposed approach as a promising solution for practical Li metal batteries. (Figure presented.) © Higher Education Press 2025.

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