Shape-Controlled Reversible Li Plating-Stripping for Stable and High-Rate Anode-Free Lithium Metal Batteries.

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Tác giả: Pei Song Chee, Yong Gao, Cao Guan, Chenhao Li, Yuhao Li, Salah A Makhlouf, Ting Meng, Xiaohan Wang, Yuxuan Wang, Haifeng Zhang

Ngôn ngữ: eng

Ký hiệu phân loại: 133.594 Types or schools of astrology originating in or associated with a

Thông tin xuất bản: Germany : Advanced materials (Deerfield Beach, Fla.) , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 699392

Anode-free lithium metal batteries are promising toward high-energy-density power sources with low-cost, but their practical applications are challenged by poor cycling stability and low rate capability. Herein, a shape change-free and lithium-free anode that well controls the reversible Li plating-stripping is reported, which is composed of a highly-ordered hollow ZnO matrix with a surface-coated lithium-phosphorus-oxynitride (LiPON) layer. The ZnO matrix supplies sufficient cavities and lithiophilic sites to facilitate uniform Li plating/stripping within the hollow cavity, while the LiPON layer maintains stable solid-electrolyte interphase from mechanical and electrochemical damage. As a result, lithium is constrained within the cavity and the overall anode shape is effectively controlled during long-term and high-rate cycling. The assembled half-cell stably works at 1.2 mA cm
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