Energy-Harvesting Concrete Using Wifi/5g Radiation

Integrating Solid-State Energy Harvesting with Advanced Power Systems for Sustainable Urban Infrastructure

Micro-Power Harvesting from Electromagnetic Interferences in Power Systems

The increasing demand for real-time monitoring systems has accelerated the adoption of distributed sensors operating in the ultra-low-power regime. However, in retrofittable and hard-to-access applications, providing a continuous external power supply is challenging, while batteries are limited by their lifetime and ma...

IoT-Based Smart Energy Harvesting System Using Speed Breaker Mechanism

In modern urban environments, a significant amount of mechanical energy generated by moving vehicles is wasted, especially at road structures such as speed breakers. With the increasing demand for sustainable and renewable energy sources, there is a strong need to develop systems that can efficiently capture and utiliz...

Reconfigurable Intelligent Surfaces for Wireless Energy Transfer in IoT: A Survey on Architectures, Applications, and Open Challenges

Radio-frequency wireless energy transfer (RF-WET) has emerged as a promising solution for extending the lifetime of energy-constrained Internet of Things (IoT) devices, particularly in large-scale, obstructed, and hard-to-access deployments. However, practical RF-WET systems are limited by severe propagation losses, bl...

Performance Optimization of RF Energy Harvesting IoT Systems Operating Within Cast-Iron Box

This study proposes a battery-less power system utilizing terrestrial digital television broadcast signals to address the power supply challenges for underground IoT devices. As a power-receiving structure, a slit configuration was integrated into the cover of a cast-iron meter box, transforming the radio-shielding enc...

Energy Harvesting for IoT and Edge-Enabled Building Automation Systems: A Review of Technologies, Applications and Future Challenges

Smart buildings increasingly depend on dense, distributed sensing infrastructures to improve energy efficiency, indoor environmental quality and operational flexibility. However, large-scale IoT/WSN deployment is still constrained by wiring effort, battery maintenance and limited access to sensing locations. Energy har...