In the context of increasingly strained global energy resources, the rational use of energy has become essential for sustainable development. Technological advancements have driven the demand for efficient and flexible sensors in the fields of human-machine interaction and environmental monitoring. However, traditional sensors face several challenges regarding adaptability and functionality, including insufficient flexibility, high power consumption, and limited capabilities, which restrict the performance of modern smart devices and environmental monitoring systems.

To address these issues, we have conducted a series of research studies and developed novel flexible self-powered sensors and electronic skin technologies. In the realm of tactile sensors, we designed multifunctional sensors that support Morse code input and physiological monitoring, and introduced a self-powered dual-mode coupled tactile sensor for effective gesture and material recognition. Additionally, we developed a series of wearable device such as a tri-modal pressure-sensing wearable device for electromyographic and electrocardiographic sensing, wearable sweat biosensor, and human motion monitoring sensor, demonstrating high sensitivity and real-time monitoring capabilities. These wearable devices play a significant role in personal health monitoring and also provide new opportunities for environmental monitoring. Furthermore, to tackle the funding requirements and coverage limitations of traditional earthquake monitoring, we designed an electrostatic sensing pendulum. These research outcomes offer viable solutions for human-machine interaction and environmental monitoring, thereby promoting the widespread application of smart devices. Looking ahead, we believe that flexible self-powered sensors and electronic skin technologies will achieve broader applications across multiple fields.