A Graded Metamaterial for Broadband and High-capability Piezoelectric Energy Harvesting
Bao Zhao,
Henrik R. Thomsen,
Jacopo M. De Ponti
et al.
Abstract:This work studies a broadband graded metamaterial, which integrates the piezoelectric energy harvesting function targeting low-frequency structural vibrations, lying below 100 Hz. The device combines a graded metamaterial with beam-like resonators, piezoelectric patches and a self-powered piezoelectric interface circuit for energy harvesting. Based on the mechanical and electrical lumped parameters, an integrated model is proposed to investigate the power performance of the proposed design. Thorough numerical … Show more
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