Recent Progress in High‐performance Flexible Pressure Sensors: Materials, Design, Fabrication, and Applications

Abstract

Abstract Flexible pressure sensors hold significant potential for applications in health monitoring, human‐machine interaction, electronic skin, and artificial intelligence due to their high sensitivity, flexibility, lightweight, and ease of signal acquisition. In recent years, extensive research into sensor materials, structures, and manufacturing technologies has led to the development of various high‐performance flexible pressure sensors. Currently, optimizing sensing performance involves selecting appropriate functional materials, designing deformable structures, and employing high‐precision manufacturing techniques. This paper reviews recent advancements in flexible pressure sensors, focusing on sensing mechanisms, functional materials, microstructure design, manufacturing technologies, and application fields. First, the sensing mechanisms of pressure sensors operating in different modes are introduced, and several widely used functional materials are discussed. Particular attention is given to the role of geometric microstructure design in enhancing sensing performance. Next, the influence of various manufacturing technologies on sensing performance is analyzed and summarized. In addition, emerging applications of flexible pressure sensors in health monitoring, human‐machine interaction, electronic skin, and artificial intelligence are presented. Finally, the paper concludes by highlighting the development prospects and major challenges in achieving high‐performance flexible pressure sensors.