Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/163295
Title: Dendrites-free lithium metal anode enabled by synergistic surface structural engineering
Authors: Di, Jie
Yang, Jin-Lin
Tian, Han
Ren, Pengfei
Deng, Yirui
Tang, Wenhao
Yan, Wenqi
Liu, Ruiping
Ma, Jianmin
Keywords: Engineering::Materials
Issue Date: 2022
Source: Di, J., Yang, J., Tian, H., Ren, P., Deng, Y., Tang, W., Yan, W., Liu, R. & Ma, J. (2022). Dendrites-free lithium metal anode enabled by synergistic surface structural engineering. Advanced Functional Materials, 32(23), 2200474-. https://dx.doi.org/10.1002/adfm.202200474
Journal: Advanced Functional Materials
Abstract: Lithium (Li) metal with high specific capacity and low redox potential is widely considered as a potential anode for lithium-ion batteries (LIBs) with high energy density. However, the catastrophic dendrites growth, “dead Li” formation, and surface passivation hinder its practical application. Herein, a selective artificial solid electrolyte interphase (SEI) layer (Li2Sx, x = 1, 2) protection strategy is adopted, where the tip sites passivation and the uniform Li nucleation in grooves are well combined, which enables reversible Li stripping/plating with high storage capacity and robust electrode framework. The grooves derived patterned array Li with selective Li2Sx artificial SEI (LS@A-Li) exhibit over 1800 h cycling life at 1.0 mA cm–2/1.0 mAh cm–2 and over 600 h even under 5.0 mA cm–2/10.0 mAh cm–2. The application feasibility of such LS@A-Li is also confirmed by coupling with commercial LiFePO4 and LiNi0.5Co0.2Mn0.3O2 (NCM523) in the full batteries. This work paves way for the large-scale application of Li metal anode in lithium-metal batteries with a facile and efficient fabrication process.
URI: https://hdl.handle.net/10356/163295
ISSN: 1616-301X
DOI: 10.1002/adfm.202200474
Schools: School of Physical and Mathematical Sciences 
Rights: © 2022 Wiley-VCH GmbH. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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