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http://hdl.handle.net/10397/106063
Title: | Suppressing universal cathode crossover in high-energy lithium metal batteries via a versatile interlayer design | Authors: | Xie, C Zhao, C Jeong, H Li, T Li, L Xu, W Yang, Z Lin, C Liu, Q Cheng, L Huang, X Xu, GL Amine, K Chen, G |
Issue Date: | 2-May-2023 | Source: | Angewandte chemie international edition, 2 May 2023, v. 62, no. 19, e202217476 | Abstract: | The universal cathode crossover such as chemical and oxygen has been significantly overlooked in lithium metal batteries using high-energy cathodes which leads to severe capacity degradation and raises serious safety concerns. Herein, a versatile and thin (≈25 μm) interlayer composed of multifunctional active sites was developed to simultaneously regulate the Li deposition process and suppress the cathode crossover. The as-induced dual-gradient solid-electrolyte interphase combined with abundant lithiophilic sites enable stable Li stripping/plating process even under high current density of 10 mA cm−2. Moreover, X-ray photoelectron spectroscopy and synchrotron X-ray experiments revealed that N-rich framework and CoZn dual active sites can effectively mitigate the undesired cathode crossover, hence significantly minimizing Li corrosion. Therefore, assembled lithium metal cells using various high-energy cathode materials including LiNi0.7Mn0.2Co0.1O2, Li1.2Co0.1Mn0.55Ni0.15O2, and sulfur demonstrate significantly improved cycling stability with high cathode loading. | Keywords: | Cathode Cross-over High-Energy Cathode Lithium-Metal Batteries Solid-Electrolyte Interphase |
Publisher: | Wiley-VCH | Journal: | Angewandte chemie international edition | ISSN: | 1433-7851 | EISSN: | 1521-3773 | DOI: | 10.1002/anie.202217476 | Rights: | © 2023 The Authors. Published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. The following publication Xie, C., Zhao, C., Jeong, H., Li, T., Li, L., Xu, W., ... & Chen, G. (2023). Suppressing Universal Cathode Crossover in High‐Energy Lithium Metal Batteries via a Versatile Interlayer Design. Angewandte Chemie, 135(19), e202217476 is available at https://doi.org/10.1002/anie.202217476. |
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