阳极
材料科学
锂(药物)
集电器
阴极
电极
金属锂
金属
化学工程
介孔材料
枝晶(数学)
纳米技术
电解质
冶金
化学
医学
生物化学
几何学
数学
工程类
物理化学
内分泌学
催化作用
作者
Pengfei Ye,Yanhui Zhang,Tong Tong,Lihong Ao,Zhe Chen,Huayu Huang,Arshad Hussain,Aymeric Ramière,Xingke Cai,Dongqing Liu,Jun Shen
出处
期刊:Small
[Wiley]
日期:2023-08-30
卷期号:19 (52)
标识
DOI:10.1002/smll.202304373
摘要
Abstract Lithium metal anodes face several challenges in practical applications, such as dendrite growth, poor cycle efficiency, and volume variation. 3D hosts with lithiophilic surfaces have emerged as a promising design strategy for anodes. In this study, inspiration from the intrinsic isotropy, chemical heterogeneity, and wide tunability of metallic glass (MG) is drew to develop a 3D mesoporous host with a lithiophilic surface. The CuZrAg MG is prepared using the scalable melt‐spinning technique and subsequently treated with a simple one‐step chemical dealloying method. This resultes in the creation of a host with a homogeneously distributed abundance of lithium affinity sites on the surface. The excellent lithiophilic property and capability for uniform lithium deposition of the 3D CuZrAg electrode have been confirmed through theoretical calculations. Therefore, the 3D CuZrAg electrode displays excellent cyclic stability for over 400 cycles with 96% coulomb efficiency, and ultra‐low overpotentials of 5 mV for over 2000 h at 1.0 mA cm −2 and 1.0 mAh cm −2 . Additionally, the full cells partied with either LiFePO 4 or LiNi 0.8 Co 0.1 Mn 0.1 O 2 cathode deliver exceptional long‐term cyclability and rate capability. This work demonstrates the great potential of metallic glass in lithium metal anode application.
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