Ultra-thin self-powered sensor integration system with multiple charging modes in smart home applications

Abstract

Wearable sensor technology with self-charging power supply systems is attracting attention both in the field of energy supply and sensing. However, traditional self-powered sensor integration systems are highly dependent on energy availability and often have complex configurations. We have briefly reported on a sustainability-oriented integration strategy that involves developing multifunctional materials that can fully utilize air, sunlight, and chemical solutions to explore original charging methods for zinc-ion batteries, as well as preparing ultra-sensitive flexible pressure sensors. Finally, we assembled the pressure sensor zinc-ion battery integrated system. This flexible sensor offers ultra-high sensitivity (S = 6.751 kPa), fast response/recovery (76.0/88.0 ms), long-term cycle stability (10,000 cycles), and a wide pressure detection range (2.0 Pa–5∗ 105 Pa). In particular, the excellent charge and discharge performance of the system ensures the real-time transmission of data collected by the sensor unit with the ability to detect the vital signs of the human body. The overall design strategy provides a new solution and reference content for the future development of miniaturized wearable electronic sensing devices.