Battery-Less Sensor Tags with RFID: A Survey

This study delves into the evolution of battery-less Radio-Frequency Identification (RFID) sensor tags, a technology that uses wireless communication for object, person, or animal identification and tracking. Recognized for their cost effectiveness, extended useful life, and sustainability, these RFID tags are the focus due to their increasing significance. The main goal is to uncover trends and advances in battery-less RFID sensor systems, offering insights into their current status and future trajectories. The comprehensive review covers energy harvesting technologies, prevalent energy sources, participating countries, operational bands, and reading distances. The results indicate a predominant focus on the development of RFID devices without specific applications, with a notable emphasis on health and wellness applications. This study contributes valuable information on the dynamic landscape of battery-less RFID sensor technologies, fostering potential innovations in various sectors.