Metal-organic frameworks for solid-state electrolytes

Solid-state batteries with metallic anodes have attracted great attention due to their high energy density and safety. As an indispensable part of these batteries, solid-state electrolytes (SSEs) with excellent mechanical strength and non-flammability play a significant role in suppressing the growt...

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Published inEnergy & environmental science Vol. 13; no. 8; pp. 2386 - 243
Main Authors Zhao, Ruo, Wu, Yingxiao, Liang, Zibin, Gao, Lei, Xia, Wei, Zhao, Yusheng, Zou, Ruqiang
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.01.2020
Subjects
Conduction
Dendrites
Electrochemical analysis
Electrochemistry
Electrolytes
Fabrication
Flammability
Flux density
Hybrids
Ionic liquids
Mechanical properties
Metal-organic frameworks
Modularity
Molten salt electrolytes
Polymers
Porosity
Porous materials
Short circuits
Solid electrolytes
Solid state
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Summary:Solid-state batteries with metallic anodes have attracted great attention due to their high energy density and safety. As an indispensable part of these batteries, solid-state electrolytes (SSEs) with excellent mechanical strength and non-flammability play a significant role in suppressing the growth of dendrites and eliminating the risk of short circuits, whose development could greatly promote the overall battery performance. Recently, metal-organic frameworks (MOFs), a type of porous crystalline inorganic-organic material, have shown potential for the fabrication of high-performance SSEs, which have become an emerging research direction. Benefiting from the rich porosity, controllable functionality and modularity, MOFs not only offer great opportunities for manipulating the physicochemical and electrochemical properties of SSEs, but also provide ideal platforms for investigating the underlying mechanisms of ion conduction and the structure-property relationships. In this perspective, the development of MOF-based SSEs, which include MOF-incorporated polymer hybrids, ionic liquid-laden MOF hybrids, and neat MOFs as SSEs, is outlined. By discussing the pioneering works, both the opportunities and challenges in each SSE category are presented. Additionally, some design principles for MOFs and MOF-based SSEs, as well as the future directions for further development are provided. This perspective highlights the application of MOFs for solid-state electrolytes, emphasizing their advantages, challenges and future directions.
Bibliography:Ruo Zhao is currently a research associate from Prof. Yusheng Zhao's group in Southern University of Science and Technology (SUSTech), China. She received her Ph.D. degree in 2019 from Department of Materials Science and Engineering, Peking University, China. Her research interests include the synthesis of metal-organic frameworks and Li-rich anti-perovskites, as well as their applications in solid-state electrolytes, lithium-ion batteries, and electrocatalysts.
Yingxiao Wu is currently a Ph.D. candidate under the supervision of Prof. Ruqiang Zou in the Department of Materials Science and Engineering at the College of Engineering, Peking University. Her research focuses on the synthesis and design of functional nanomaterials based on metal-organic frameworks for energy storage applications.
Yusheng Zhao is currently a chair professor at Department of Physics and the president of Academy for Advanced Interdisciplinary Studies, South University of science and Technology (SUSTech). He received his Bachelor's and Master's degrees from Peking University, and Ph.D. degree from the State University of New York at Stony Brook. Prof. Yusheng Zhao is the director of Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, and the director of Shenzhen Key Laboratory of Solid State Batteries. His current research interests focus on the design, synthesis, and mechanism study of Li-rich anti-perovskites as solid-state electrolytes, and their applications in solid-state batteries.
Lei Gao received his Master's degree from the School of Nuclear Science and Technology, Lanzhou University in 2018. Currently, he is a Ph.D. candidate under the supervision of Prof. Ruqiang Zou at the College of Engineering, Peking University, and Prof. Yusheng Zhao at the Department of Physics, Southern University of Science and Technology (SUSTech). His research interests focus on the exploration of anti-perovskite ionic conductors for all-solid-state batteries.
Zibin Liang is currently a Ph.D. candidate under the supervision of Prof. Ruqiang Zou at the College of Engineering, Peking University. His research interest is the synthesis of functional nanomaterials based on metal-organic frameworks for energy storage and conversion applications.
Ruqiang Zou is currently a professor at the College of Engineering, Peking University, China. He received his Ph.D. degree in Engineering in 2008 from Kobe University and the National Institute of Advanced Industrial Science and Technology, Japan. He held the JSPS Younger Scientist during his doctoral course and a Director's Postdoc Fellow at Los Alamos National Laboratory from 2008 to 2010. He was awarded the Outstanding Young Scientist Foundation of NSFC and Changjiang Scholar. His research interests focus on the controllable preparation and application of hierarchically porous functional materials for energy and environmental applications.
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ISSN:1754-5692
1754-5706
DOI:10.1039/d0ee00153h