Fig. 5: Application of HEEG devices. | Nature Communications

Fig. 5: Application of HEEG devices.

From: Sustainable power generation for at least one month from ambient humidity using unique nanofluidic diode

Fig. 5

a Combination of 18 devices in series and parallel connection can light up ten LEDs and power up a digital electronic watch directly under laboratory environment ∼65% RH, 25 °C. b Self-powered breathing monitoring application and its signal display, the bottom is the test schematic diagram. c 8 units in series charge a 47 μF capacitor to ~2.8 V in 30 min. d The open-circuit voltage of different number of devices that are connected in series.

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