Energy Harvesting By Using Rectenna

Suhaimi , Mat Din (2012) Energy Harvesting By Using Rectenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis describes the original work on designing a rectenna for energy harvesting. Rectenna is the device that uses to capture and convert microwave signal into DC power and it is use as receiving terminal. This project is undertaken as a solution to generate the power without using either electricity or solar because in some places, this two power source is not available due to some limitation. For example in space, even the satellite have solar panel to generate energy, they also can use microwave or radio frequency to generate energy as a backup power. So, the objectives of this project is to study and design a 2.45 GHz rectenna to capture and convert microwave signal into DC power. Generally, rectenna consist of an antenna and rectifying circuit and both of them will determine the overall performance of rectenna. Rectenna was design by using CST microwave studio software and fabricated on FR4 board because the printed rectenna is low cost and easy to manufacture. Measurement experiment is carried on by transmitting different input power by using horn antenna and being measured at different load. Based on the experimental result, the maximum output voltage measure at the load is 0.842 V for 510kΩ resistor and 20 dBm input power. This project is successfully proved that new energy could be harvest by using rectenna technology.

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