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Article

18 Citations

8,345 Views

13 Pages

Use Ultra-Wideband Discone Rectenna for Broadband RF Energy Harvesting Applications

Manolis G. Tampouratzis,
Demosthenes Vouyioukas,
Dimitrios Stratakis and
Traianos Yioultsis

Technologies2020, 8(2), 21;https://doi.org/10.3390/technologies8020021

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23 April 2020

In this study, a broadband Radio Frequency (RF) energy harvester implementation is presented. The system uses a broadband discone antenna, which can operate efficiently in a broad frequency spectrum, including LTE, DCS 1800 and UMTS 2100 cellular fre...

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Article

2,247 Views

14 Pages

A New Voltage-Doubler Rectifier for High-Efficiency LLC Resonant Converters

Jung-Hyun Yeo and
Chong-Eun Kim

Energies2024, 17(24), 6262;https://doi.org/10.3390/en17246262

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11 December 2024

The LLC resonant converter is widely recognized as an effective solution for achieving high efficiency in high-frequency operations. This is primarily due to its ability to perform zero-voltage switching (ZVS) on primary switches and zero-current swi...

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Article

7 Citations

2,871 Views

16 Pages

A Funnel Type PVDF Underwater Energy Harvester with Spiral Structure Mounted on the Harvester Support

Jongkil Lee,
Jinhyo Ahn,
Hyundu Jin,
Chong Hyun Lee,
Yoonsang Jeong,
Kibae Lee,
Hee-Seon Seo and
Yohan Cho

Micromachines2022, 13(4), 579;https://doi.org/10.3390/mi13040579

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7 April 2022

For the purpose of stably supplying electric power to the underwater wireless sensor, the energy harvesting technology in which a voltage is obtained by generating displacement in a piezoelectric material using flow-induced vibration is one of the mo...

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