Solid-state electrolytes(SSEs)can address the safety issue of organic electrolyte in rechargeable lithium batteries.Unfortunately,neither polymer nor ceramic SSEs used alone can meet the demand although great progress has been made in the past few years.Composite solid electrolytes(CSEs)composed of flexible polymers and brittle but more conducting ceramics can take advantage of the individual system for solid-state lithium metal batteries(SSLMBs).CSEs can be largely divided into two categories by the mass fraction of the components:"polymer rich"(PR)and"ceramic rich"(CR)systems with different internal structures and electroche-mical properties.This review provides a comprehensive and in-depth understanding of recent advances and limita-tions of both PR and CR electrolytes,with a special focus on the ion conduction path based on polymer-ceramic interaction mechanisms and structural designs of ceramic fillers/frameworks.In addition,it highlights the PR and CR which bring the leverage between the electrochemical property and the mechanical property.Moreover,it further prospects the possible route for future development of CSEs according to their rational design,which is expected to accelerate the practical application of SSLMBs.

Zhouyu ZHANG;Hao CHEN;Zhenglin HU;Shoubin ZHOU;Lan ZHANG;Jiayan LUO

Key Laboratory for Green Chemical Technology of the Ministry of Education,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;Shanghai Key Laboratory of Advanced High-Temperature Materials and Precision Forming,School of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Huafu High Technology Energy Storage Co.,Ltd.,Yangzhou 225600,China;CAS Key Laboratory of Green Process and Engineering,Beijing Key Laboratory of Ionic Liquids Clean Process,State Key Laboratory of Multiphase Complex Systems,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China

能源前沿

[1]Zhouyu ZHANG;Hao CHEN;Zhenglin HU;Shoubin ZHOU;Lan ZHANG;Jiayan LUO-.Ion conduction path in composite solid electrolytes for lithium metal batteries:from polymer rich to ceramic rich)[J].能源前沿,2022(05):706-733

CSEs,SSLMBs,electroche,mical

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