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Figure 1

From: A flexible triboelectric-piezoelectric hybrid nanogenerator based on P(VDF-TrFE) nanofibers and PDMS/MWCNT for wearable devices

Figure 1

Structure and working principle of the triboelectric and piezoelectric hybrid nanogenerator.

(a) The cross-section structural schematic; (b–e) Charge distribution of triboelectric and piezoelectric effect during force pressing and releasing. Inside of the picture, 0 < x1′ < x1, hs is the summation height of TPENG, hP(VDF-TrFE) is the height of P(VDF-TrFE) film, R is the stretching radius.

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