Ultrasonic imaging technology(UIT) has emerged as a pivotal non-destructive detection method for lithium ion batteries(LIBs),addressing critical challenges in ensuring battery safety and performance.This review compre...Ultrasonic imaging technology(UIT) has emerged as a pivotal non-destructive detection method for lithium ion batteries(LIBs),addressing critical challenges in ensuring battery safety and performance.This review comprehensively explores the working principles of UIT, including ultrasonic reflection,refraction,and attenuation,and its applications in LIB inspection.It systematically elaborates on the advancements and applications of UIT for high-resolution imaging of electrode microstructures,realtime monitoring of electrolyte wetting and dry-out,and precise detection of defects such as lithium plating,gas evolution,and electrode delamination.We also discuss the non-invasive assessment of state-ofcharge and state-of-health of LIBs by correlating acoustic properties with structural changes during battery cycling.Comparative analyses highlight the superiority of UIT over traditional destructive methods and complementary technologies.Furthermore,this review rigorously examines the current challenges and future development prospects of UIT.Despite challenges in resolving nanoscale defects and adapting to complex battery architectures,UIT shows promise when integrated with AI-driven data analysis and advanced transducers.Finally,we also envision emerging applications of UIT in the broader renewable energy sector,aiming to provide scientific insights for optimizing manufacturing,lifecycle management,and safety assurance of the battery industry.展开更多
基金Science and Technology Department of Zhejiang Province(Grant No.2023C01231)Natural Science Foundation of Zhejiang Province(Grant No.LD25E020003,LQ23E020009)+7 种基金National Natural Science Foundation of China(Grant Nos.52372235,U20A20253,22379020,22279116)Key Scientific Research Project of Hangzhou(Grant No.2024SzD1B12)State Key Laboratory of New Textile Materials and Advanced Processing Technologies(Grant No.FZ2024009)Science and Technology Project of Huzhou(Grant No.2024GZ02)National Science Foundation of Sichuan Province(Grant No.2024NSFSC0951)Zhejiang Provincial Postdoctoral Research Project(Grant No.ZJ2023080)China Postdoctoral Science Foundation(2024M750347)Key Laboratory of Engineering Dielectrics and Its Application(Harbin University of Science and Technology),Ministry of Education(Grant No.KFM 202303)。
文摘Ultrasonic imaging technology(UIT) has emerged as a pivotal non-destructive detection method for lithium ion batteries(LIBs),addressing critical challenges in ensuring battery safety and performance.This review comprehensively explores the working principles of UIT, including ultrasonic reflection,refraction,and attenuation,and its applications in LIB inspection.It systematically elaborates on the advancements and applications of UIT for high-resolution imaging of electrode microstructures,realtime monitoring of electrolyte wetting and dry-out,and precise detection of defects such as lithium plating,gas evolution,and electrode delamination.We also discuss the non-invasive assessment of state-ofcharge and state-of-health of LIBs by correlating acoustic properties with structural changes during battery cycling.Comparative analyses highlight the superiority of UIT over traditional destructive methods and complementary technologies.Furthermore,this review rigorously examines the current challenges and future development prospects of UIT.Despite challenges in resolving nanoscale defects and adapting to complex battery architectures,UIT shows promise when integrated with AI-driven data analysis and advanced transducers.Finally,we also envision emerging applications of UIT in the broader renewable energy sector,aiming to provide scientific insights for optimizing manufacturing,lifecycle management,and safety assurance of the battery industry.