Highly reversible Li2RuO3 cathodes in sulfide-based all solid-state lithium batteries
Abstract
The practical application of high-capacity lithium-rich cathode materials in lithium-ion batteries has been largely restricted by severe side reactions with electrolytes. Herein, we report a highly stable lithium-rich Li2RuO3 cathode by forming a passivating solid electrolyte interphase at the interface with a sulfide solid electrolyte such as Li6PS5Cl in all-solid-state lithium batteries (ASSLBs), which efficiently suppresses serious parasitic interfacial reactions and fast-increasing interfacial impedance normally observed in liquid electrolytes. The exceptionally high interfacial stability of the Li2RuO3/sulfide electrolyte interface contributes to a high reversible capacity of 257 mA h g–1 of Li2RuO3 at 0.05C rate, and unprecedented cycling stability with 90% capacity retention after 1000 cycles at 1C rate. Iin this work, comprehensive experimental characterizations and first-principles calculations disclose that electronically insulating interfacial reaction products forming at the interface between the Li2RuO3 cathode and Li6PS5Cl facilitate the formation of a stable and passivating interphase and block the continuous side reactions. Importantly, reversible oxygen redox activity of Li2RuO3 is well-maintained in this configuration of ASSLBs even after 600 cycles, thus the common voltage decay of the Li-rich material is also significantly reduced. These new discoveries demonstrate the critical role of interface design for achieving prolonged cycling stability of lithium-rich cathode materials.
- Authors:
-
[3];
[3];
[1];
[1]
- Xiamen Univ. (China)
- Xiamen Univ. (China); Swiss Federal Laboratories for Materials Science and Technology (Empa), Dübendorf (Switzerland)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
- Guilin Electrical Equipment Scientific Research Institute Co., Ltd, Guilin (China)
- Swiss Federal Laboratories for Materials Science and Technology (Empa), Dübendorf (Switzerland)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; National Natural Science Foundation of China (NSFC); National Key Research and Development Program of China; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Vehicle Technologies Office (VTO)
- OSTI Identifier:
- 1963045
- Grant/Contract Number:
- AC02-05CH11231; 21875196; 21935009; 22021001; 2021YFB2401800; 2019H0003
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Energy & Environmental Science
- Additional Journal Information:
- Journal Volume: 15; Journal Issue: 8; Journal ID: ISSN 1754-5692
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Wu, Yuqi, Zhou, Ke, Ren, Fucheng, Ha, Yang, Liang, Ziteng, Zheng, Xuefan, Wang, Zhenyu, Yang, Wu, Zhang, Maojie, Luo, Mingzeng, Battaglia, Corsin, Yang, Wanli, Zhu, Lingyun, Gong, Zhengliang, and Yang, Yong. Highly reversible Li2RuO3 cathodes in sulfide-based all solid-state lithium batteries. United States: N. p., 2022.
Web. doi:10.1039/d2ee01067d.
Wu, Yuqi, Zhou, Ke, Ren, Fucheng, Ha, Yang, Liang, Ziteng, Zheng, Xuefan, Wang, Zhenyu, Yang, Wu, Zhang, Maojie, Luo, Mingzeng, Battaglia, Corsin, Yang, Wanli, Zhu, Lingyun, Gong, Zhengliang, & Yang, Yong. Highly reversible Li2RuO3 cathodes in sulfide-based all solid-state lithium batteries. United States. https://doi.org/10.1039/d2ee01067d
Wu, Yuqi, Zhou, Ke, Ren, Fucheng, Ha, Yang, Liang, Ziteng, Zheng, Xuefan, Wang, Zhenyu, Yang, Wu, Zhang, Maojie, Luo, Mingzeng, Battaglia, Corsin, Yang, Wanli, Zhu, Lingyun, Gong, Zhengliang, and Yang, Yong. Wed .
"Highly reversible Li2RuO3 cathodes in sulfide-based all solid-state lithium batteries". United States. https://doi.org/10.1039/d2ee01067d. https://www.osti.gov/servlets/purl/1963045.
@article{osti_1963045,
title = {Highly reversible Li2RuO3 cathodes in sulfide-based all solid-state lithium batteries},
author = {Wu, Yuqi and Zhou, Ke and Ren, Fucheng and Ha, Yang and Liang, Ziteng and Zheng, Xuefan and Wang, Zhenyu and Yang, Wu and Zhang, Maojie and Luo, Mingzeng and Battaglia, Corsin and Yang, Wanli and Zhu, Lingyun and Gong, Zhengliang and Yang, Yong},
abstractNote = {The practical application of high-capacity lithium-rich cathode materials in lithium-ion batteries has been largely restricted by severe side reactions with electrolytes. Herein, we report a highly stable lithium-rich Li2RuO3 cathode by forming a passivating solid electrolyte interphase at the interface with a sulfide solid electrolyte such as Li6PS5Cl in all-solid-state lithium batteries (ASSLBs), which efficiently suppresses serious parasitic interfacial reactions and fast-increasing interfacial impedance normally observed in liquid electrolytes. The exceptionally high interfacial stability of the Li2RuO3/sulfide electrolyte interface contributes to a high reversible capacity of 257 mA h g–1 of Li2RuO3 at 0.05C rate, and unprecedented cycling stability with 90% capacity retention after 1000 cycles at 1C rate. Iin this work, comprehensive experimental characterizations and first-principles calculations disclose that electronically insulating interfacial reaction products forming at the interface between the Li2RuO3 cathode and Li6PS5Cl facilitate the formation of a stable and passivating interphase and block the continuous side reactions. Importantly, reversible oxygen redox activity of Li2RuO3 is well-maintained in this configuration of ASSLBs even after 600 cycles, thus the common voltage decay of the Li-rich material is also significantly reduced. These new discoveries demonstrate the critical role of interface design for achieving prolonged cycling stability of lithium-rich cathode materials.},
doi = {10.1039/d2ee01067d},
journal = {Energy & Environmental Science},
number = 8,
volume = 15,
place = {United States},
year = {Wed Jul 06 00:00:00 EDT 2022},
month = {Wed Jul 06 00:00:00 EDT 2022}
}
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