Ionic liquid electrolytes for sodium-ion batteries to control thermal runaway

作     者：Keith Sirengo Aswathy Babu Barry Brennan Suresh C.Pillai Keith Sirengo;Aswathy Babu;Barry Brennan;Suresh C.Pillai

作者机构：Nanotechnology and Bio-Engineering Research GroupDepartment of Environmental ScienceAtlantic Technological UniversityATU SligoAsh LaneSligo F91 YW50Ireland Health and Biomedical(HEAL)Strategic Research CentreAtlantic Technological UniversityATU SligoAsh LaneSligo F91 YW50Ireland 

出 版 物：《Journal of Energy Chemistry》 (能源化学（英文版）)

年 卷 期：2023年第81卷第6期

页      面：321-338,I0008页

核心收录：

学科分类：0808[工学-电气工程] 081704[工学-应用化学] 07[理学] 08[工学] 070304[理学-物理化学(含∶化学物理)] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：funded by CUA bursary Ireland a project titled:Fabrication of solid-state electrolytes for batteries in smartphones and electric vehicles (EVs) 

主　　题：Thermal stability Ionic liquids Sodium-ion batteries Cycle stability Ionic conductivity 

摘      要：Sodium-ion batteries are expected to be more affordable for stationary applications than lithium-ion batteries,while still offering sufficient energy density and operational capacity to power a significant segment of the battery *** this,thermal runaway explosions associated with organic electrolytes have led to concerns regarding the safety of sodium-ion *** electrolytes,ionic liquids are promising because they have negligible vapor pressure and show high thermal and electrochemical *** review discusses the safety contributions of these electrolyte properties for high-temperature *** ionic liquids provide thermal stability while at the same time promoting high-voltage window battery ***,apart from cycle stability,there is an additional safety feature attributed to modified ultra-concentrated ionic liquid *** these contributions,the following have been discussed,heat sources and thermal runaway mechanisms,thermal stability,the electrochemical decomposition mechanism of stable cations,and the ionic transport mechanism of ultra-concentrated ionic liquid *** addition,the contributions of hybrid electrolyte systems consisting of ionic liquids with either organic carbonate or polymers are also *** thermal stability of ionic liquids is found to be the main contributor to cell safety and cycle *** high-temperature applications where electrolyte safety,capacity,and cycle stability are important,highly concentrated ionic liquid electrolyte systems are potential solutions for sodium-ion battery applications.