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

Figure 10

(a) Schematic diagram of the device structure [60]. (b) Dependence of the output power density of the TENG on the sliding velocity. (c) Conversion efficiency versus the resistance of the external load. (d) Normalized friction coefficient between different kinds of materials. (e) Photograph of commercial LEDs lit up simultaneously by the TENG.

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