Fiber-shaped batteries,distinguished by their unique one-dimensional archi-tecture,offer ultra-high flexibility,remarkable stretchability,and excellent knittability,rendering them highly appealing as energy storage so...Fiber-shaped batteries,distinguished by their unique one-dimensional archi-tecture,offer ultra-high flexibility,remarkable stretchability,and excellent knittability,rendering them highly appealing as energy storage solutions for smart wearable fabrics.Among various fiber-shaped battery systems,aqueous zinc batteries stand out as one of the most promising candidates owing to their high specific capacity,inherent safety,and cost-effectiveness.However,the practical applicability of fiber-shaped zinc batteries(FZBs)is significantly hin-dered by challenges in scalable production,long-term operational stability,and seamless integration.Despite the growing interest in FZBs,a comprehen-sive and systematic review that critically examines the essential components,assembly configurations,manufacturing techniques,and performance-enhancing strategies is still lacking.This review aims to fill this gap by first summarizing the fundamental components of FZBs,including cathodes,anodes,electrolytes,current collectors,and encapsulation materials.It then compares the impact of various assembly configurations,including parallel,winding,coaxial,and weaving structures,on battery performance.Further-more,it provides an in-depth analysis of diverse manufacturing techniques for fiber electrodes,including dip-coating,hydrothermal synthesis,and electrode-position,as well as the assembly procedures ranging from manual to equipment-assisted and one-step assembly methods.In addition,this review highlights strategies for improving both electrochemical and wearable perfor-mance through material modification and structural design.It also under-scores the multifunctional applications of FZBs,such as thermosensitive,fluorescent,and sweat-driven variants,along with their potential in physiologi-cal sensing and environmental monitoring.Finally,it identifies the existing barriers to FZBs commercialization,including limited energy density,complex integration processes,and unclear internal mechanisms.Based on these insights,it proposes future research directions and development initiatives to advance the field of FZBs,thereby promoting their transition from laboratory prototypes to commercial products.展开更多
基金National Natural Science Foundation of China,Grant/Award Number:51702362Hunan Provincial Natural Science Foundation,Grant/Award Numbers:2022JJ30663,2022JJ40551Independent Science Foundation of National University of Defense Technology。
文摘Fiber-shaped batteries,distinguished by their unique one-dimensional archi-tecture,offer ultra-high flexibility,remarkable stretchability,and excellent knittability,rendering them highly appealing as energy storage solutions for smart wearable fabrics.Among various fiber-shaped battery systems,aqueous zinc batteries stand out as one of the most promising candidates owing to their high specific capacity,inherent safety,and cost-effectiveness.However,the practical applicability of fiber-shaped zinc batteries(FZBs)is significantly hin-dered by challenges in scalable production,long-term operational stability,and seamless integration.Despite the growing interest in FZBs,a comprehen-sive and systematic review that critically examines the essential components,assembly configurations,manufacturing techniques,and performance-enhancing strategies is still lacking.This review aims to fill this gap by first summarizing the fundamental components of FZBs,including cathodes,anodes,electrolytes,current collectors,and encapsulation materials.It then compares the impact of various assembly configurations,including parallel,winding,coaxial,and weaving structures,on battery performance.Further-more,it provides an in-depth analysis of diverse manufacturing techniques for fiber electrodes,including dip-coating,hydrothermal synthesis,and electrode-position,as well as the assembly procedures ranging from manual to equipment-assisted and one-step assembly methods.In addition,this review highlights strategies for improving both electrochemical and wearable perfor-mance through material modification and structural design.It also under-scores the multifunctional applications of FZBs,such as thermosensitive,fluorescent,and sweat-driven variants,along with their potential in physiologi-cal sensing and environmental monitoring.Finally,it identifies the existing barriers to FZBs commercialization,including limited energy density,complex integration processes,and unclear internal mechanisms.Based on these insights,it proposes future research directions and development initiatives to advance the field of FZBs,thereby promoting their transition from laboratory prototypes to commercial products.
