Review Article
Nanogenerator-Based Self-Powered Sensors for Wearable and Implantable Electronics
Figure 5
Hybrid NGs and their materials. (a) The hybrid generator is made from PENG, EMG, and TENG. (b) The SUM contains PMU, PENG, and TENG which were assembled into a dotted box. (c) The hybrid NG is composed of TENG and PENG.