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An over-the-distance wireless battery charger based on RF energy harvesting

  • Autori: Rosa, R. La; Zoppi, G.; Finocchiaro, A.; Papotto, G.; Di Donato, L.; Sorbello, G.; Bellomo, F.; Di Carlo, C.A.; Livreri, P.
  • Anno di pubblicazione: 2017
  • Tipologia: Contributo in atti di convegno pubblicato in volume
  • OA Link:


An RF powered receiver silicon IC (integrated circuit) for RF energy harvesting is presented as wireless battery charger. This includes an RF-to-DC energy converter specifically designed with a sensitivity of -18.8 dBm and an energy conversion efficiency of ∼45% at 900 MHz with a transmitting power of 0.5 W in free space. Experimental results concerned with remotely battery charging using a complete prototype working in realistic scenarios will be shown.