Recent Progress in Triboelectric Nanogenerators as a Renewable and Sustainable Power Source

Figure 6

(a) Structural design of the TENG [14]. (b) A top-view SEM image of gold nanoparticles covered on gold surface. (c) A photograph showing the fabricated device. (d) The output open-circuit voltage () and (e) the output short-circuit current () at contacting force of 10 N. (f) Dependence of the short-circuit current () on the contacting force. (g) Dependence of the peak power output on the resistance of the external load. (h) When footstep falls off/on the TENG.