Abstract
Harvesting energy from waste resources shows significant potential in low‐power electronics, self‐powered devices, and waste‐energy management. Herein, a possible mechanism is demonstrated to harvest waste electromagnetic (EM) energy produced by the induction heater where recycled aluminum foil is utilized as an energy‐harvester unit. As a consequence, ≈5.34 μW of harvested power is manifested under the operating condition of the induction heater. In this connection, a demonstration of the real‐time calculator operation, 26 blue light‐emitting diode lighting, and smartphone battery charging are presented. It indicates an excellent opportunity to harvest the abundantly available waste EM energy using the recycled and widely used food‐packaging Al foil. Thus, it is expected that the waste EM energy can be utilized to power up consumer electronic appliances.
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