Figure 4: Applications of the TENG in emergency response and weather indication.
From: Sustainably powering wearable electronics solely by biomechanical energy
(a) Charge density of the TENG before and after washing in water. The left insert showing the TENG immerged into water, and the right insert showing that 32 LEDs were lighted by pressing the TENG after washed in water. (b,c) LED warning signs on a vest, i.e., ‘CAUTION’, ‘PASS’ and ‘STOP’ are lighted by pressing the TENG weaved into the vest. (d) Circuit diagram of the self-charging power system integrated by the TENG and SC/LIB. (e) Charging curve of SC by manually pressing two TENG-tubes. (f) A temperature-humidity meter is driven by manually tapping five parallel TENG tubes.
