Progress in preparation technology and application of piezoelectric fibers
The preparation technologies of inorganic ceramic piezoelectric fibers,organic polymer piezoelectric fibers and com-posite piezoelectric fibers were reviewed.The application of piezoelectric fibers were introduced in the fields of wearable textiles,energy harvesting,healthcare and structural health monitoring.The preparation technology of inorganic ceramic piezoelectric fiber includes thermoplastic extrusion method,viscous solution spinning method and sol-gel method.The thermoplastic extrusion process and viscous solution spinning method has the characteristics of simple operation and green environmental protection.The preparation technology of organic polymer piezoelectric fibers includes melt spinning,wet spinning and electrospinning processes.The electrospinning process is currently the research focus of preparing organic polymer piezoelectric fibers.It was pointed out that the reseasch of piezoelectric fibers should break through the preparation of high-piezoelectric response piezoelectric fibers,in-tegration of piezoelectric fibers with functional textiles and structural design of piezoelectric textiles in the future.
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