Lightweight mobile stick-type water-based triboelectric nanogenerator with amplified current for portable safety devices

Figures & data

Figure 1. Mobile stick-type water-based triboelectric nanogenerator (MSW-TENG). (a) Schematic of MSW-TENG. (b) V_OC and (c) I_CC outputs of MSW-TENG. (d) Average peak voltage, current, and (e) power of MSW-TENG depending on the external load.

Figure 2. Working mechanism and output of MSW-TENG. (a) Working mechanism of MSW-TENG. (b) V_OC and (c) I_CC outputs for conventional TENG and MSW-TENG. (d) V_OC and (e) I_CC outputs of single- and dual-generator MSW-TENG.

Figure 3. Electrical output of MSW-TENG depending on various design parameters. (a) Schematic of MSW-TENG. V_RMS and I_RMS outputs depending on the (b) water volume ratio, (c) area ratio of the inner electrode, (d) spacing between electrodes, and (e) size of the outer electrode.

Figure 4. MSW-TENG as traffic safety light baton. (a) Schematic of MSW-TENG-based traffic safety light baton. (b) Photograph of baton powering a 100 LED array when manually shaken. (c) V_OC and (d) I_CC of MSW-TENG depending on the mechanical vibration frequency.