Multiple Energy Harvesting for Highly Efficient Wireless Power Receiver
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This paper shows an efficient wireless power receiver (WPR) based on multiple energy harvesting (EH) methodology. The proposed WPR structure consists of a high and low power route holding power conversion efficiency (PCE) high in a broad scope input. Solar/Thermoelectric/ Triboelectric/Vibration/RF energies are proposed as multiple hybrid energy sources. Thermal and solar energy harvester is proposed with Maximum Power Point Tracking (MPPT) in time-domain. For triboelectric/vibration EH and high-power path energy harvesting, highly efficient rectifier in full wave (FWR) and RF-DC converter operating at 5.8 GHz are presented to increase the input power range. A 0.18 µm Bipolar-CMOS-DMOS process is used for the chip fabrication. The RF-DC operating at 5.8 GHz attains 76.9% PCE at 30 dBm input. A PCE of 69.85% is achieved using the harvester of solar energy as a peak point. The RF-DC converters of low power path in 900 MHz and 2.4 GHz frequency attain 73% and 71.9% PCE results at 0 dBm in 1 mW as a peak.
Abstract
This paper shows an efficient wireless power receiver (WPR) based on multiple energy harvesting (EH) methodology. The proposed WPR structure consists of a high and low power route holding power conversion efficiency (PCE) high in a broad scope input. Solar/Thermoelectric/ Triboelectric/Vibration/RF energies are proposed as multiple hybrid energy sources. Thermal and solar energy harvester is proposed with Maximum Power Point Tracking (MPPT) in time-domain. For triboelectric/vibration EH and high-power path energy harvesting, highly efficient rectifier in full wave (FWR) and RF-DC converter operating at 5.8 GHz are presented to increase the input power range. A 0.18 µm Bipolar-CMOS-DMOS process is used for the chip fabrication. The RF-DC operating at 5.8 GHz attains 76.9% PCE at 30 dBm input. A PCE of 69.85% is achieved using the harvester of solar energy as a peak point. The RF-DC converters of low power path in 900 MHz and 2.4 GHz frequency attain 73% and 71.9% PCE results at 0 dBm in 1 mW as a peak.
참고문헌 (7)
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