Energy Harvesting

Wireless charging for battery-free sensors and devices

Goal: develop wireless charging technology to supply power to large sensor networks and communication devices that operate without batteries.

Research focus: development of complete wireless power transfer systems, encompassing antennas, transmitters, rectifiers, power-management circuits, and communication subsystems.

Research topics

  • Through-metal power transfer and communication
  • Long-range wireless power transfer through metal
  • RF-to-millimeter-wave energy harvesting

Research overview (PDF)

Download the research overview (PDF)

Related publications

  1. J. M. Romero-Arguello, A.-V. Pham, C. S. Gardner and B. T. Funsten, “Miniature Coil for Wireless Power and Data Transfer through Aluminum,” Sensors, vol. 21, no. 10, p. 7573, Nov. 2021.
  2. J. M. Romero-Arguello, A.-V. Pham, C. S. Gardner and B. Funsten, “Miniature Coil Design for Through Metal Wireless Power Transfer,” 2021 IEEE Wireless Power Transfer Conference (WPTC), 2021, pp. 1–4.
  3. T. A. Vu, C. Van Pham, A.-V. Pham and C. S. Gardner, “Wireless power transfer through metal using inductive link,” International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 10, no. 4, pp. 1906–1913, Nov. 2019.
  4. C. V. Pham, T. A. Vu, W. Tran, A.-V. Pham and C. S. Gardner, “Wireless Energy Harvesting System Through Metal for Aerospace Sensor,” 2018 IEEE Transportation Electrification Conference and Expo (ITEC), 2018, pp. 545–549.
  5. C. Van Pham, A.-V. Pham and C. S. Gardner, “Development of Helical circular coils for wireless through-metal inductive power transfer,” 2017 IEEE Wireless Power Transfer Conference (WPTC), 2017, pp. 1–3.
  6. B. L. Pham and A.-V. Pham, “Triple bands antenna and high efficiency rectifier design for RF energy harvesting at 900, 1900 and 2400 MHz,” 2013 IEEE MTT-S International Microwave Symposium Digest (MTT), 2013, pp. 1–3.