CD Skripsi
Perancangan Flexible Antenna 2.4 Ghz Untuk Rf Energy Harvesting
ABSTRACT
In recent time, the use of renewable energy as a resource for electronic devices continues to increase. The process of extracting energy from the environment to produce electricity is called energy harvesting. This energy can be obtained from various sources in the environment, such as heat energy, mechanical energy, and radiant energy. Among the available environmental energy sources, RF energy is growing rapidly due to the dominance of wireless signals such as BTS (Base Transceiver Station) cellular networks and Wi-Fi networks, radio and television stations, microwave radio, and cellular telephones. Energy collection for low-power devices, including applications related to wireless devices, extends their service life significantly and presents new challenges as the energy production from the collection system must be proportional to the power requirements of the devices used. This technology can be very useful for operating wireless networks in hazardous environments, charging batteries or storing energy in supercapacitors. Many wireless devices now use WLAN IEEE 802.11 as the interconnection standard between devices making the application of devices using WLAN very flexible. The frequency standard used for WLAN IEEE 802.11 ranges from 2.4 GHz to 5 GHz. In this thesis, we design two microstrip antennas with polyethylene (PET) substrates for energy harvesting system applications. Both of these antennas were printed using the ink-jet print method onto the PET surface using silver nano-ink. The results obtained are that both antennas can work at a frequency of 2.4 GHz with return loss values of -32,809 dB and -18,055 dB. This return loss value meets the requirements for the antenna to work properly if the resulting return loss value is below -10 dB. The energy harvesting performance results of the two antennas were tested with three distance variables, then the output voltage results of the two antennas were compared and analyzed.
Keywords: Flexible, Energy Harvesting, Microstrip Antenna, WLAN, polyethylene
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