Recent Progress of Hybrid Solid‐State Electrolytes for Lithium Batteries

Conventional liquid electrolytes for lithium batteries usually suffer from irreversible decomposition and safety concerns. Solid state electrolytes (SSEs) have been considered as the key for advanced lithium batteries with improved energy density and safety, whereas challenges remain for polymer and...

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Bibliographic Details
Published in:Chemistry : a European journal 2018-12, Vol.24 (69), p.18293-18306
Main Authors: Liu, Xiaoyan, Li, Xinru, Li, Hexing, Wu, Hao Bin
Format: Article
Language:English
Subjects:
Batteries
Chemistry
Electrochemical analysis
Electrochemistry
Electrolytes
Flux density
hybrid materials
ionic conductivity
Lithium
Lithium batteries
lithium metal anode
Molten salt electrolytes
Product design
Safety
Solid electrolytes
solid lithium batteries
solid-state electrolyte
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Summary:Conventional liquid electrolytes for lithium batteries usually suffer from irreversible decomposition and safety concerns. Solid state electrolytes (SSEs) have been considered as the key for advanced lithium batteries with improved energy density and safety, whereas challenges remain for polymer and inorganic SSEs. Recently, hybrid solid‐state electrolytes (HSSEs) that integrate the merits of different electrolyte systems have been under intensive study. Herein, we summarize the recent progress of HSSEs with different compositions and structures. The design principle of each type of HSSEs are discussed, as well as their ionic conducting mechanism, electrochemical performance and effects of compositional/structural control. Finally, challenges and perspectives are provided for the future development of HSSEs and solid‐state lithium batteries. Hybrid solid‐state electrolytes (HSSEs) are keys to the development of lithium batteries with enhanced energy density and safety. This Minireview summarizes the recent development of HSSEs and discusses their design principles, performance and ionic conducting mechanism.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201803616