Suppressing Universal Cathode Crossover in High-Energy Lithium Metal Batteries via a Versatile Interlayer Designopen access
- Authors
- Xie, Chuyi; Zhao, Chen; Jeong, Heonjae; Li, Tianyi; Li, Luxi; Xu, Wenqian; Yang, Zhenzhen; Lin, Cong; Liu, Qiang; Cheng, Lei; Huang, Xingkang; Xu, Gui-Liang; Amine, Khalil; Chen, Guohua
- Issue Date
- May-2023
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Cathode Cross-over; High-Energy Cathode; Lithium-Metal Batteries; Solid-Electrolyte Interphase
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.62, no.19
- Journal Title
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
- Volume
- 62
- Number
- 19
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/91541
- DOI
- 10.1002/anie.202217476
- ISSN
- 1433-7851
1521-3773
- 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 (approximate to 25 mu m) 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.
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