This research demonstrates multi-band energy harvesting through defect states in composite metamaterials, suggesting improved efficiency for micro-sensors.
Key Points
The design showcases enhanced energy harvesting efficiency by concentrating vibrational energy using dual defect states.
Finite element simulations reveal that reducing defect distance significantly boosts output voltage, enhancing performance by nearly 98%.
The dual-PEH setup achieves an impressive total output power of 265.77 μW, optimizing energy conversion via localized flexural waves.
This novel multi-band energy harvesting approach provides a promising solution for powering Structural Health Monitoring systems.