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Research Article

Understanding the Percolation Effect in Triboelectric Nanogenerator with Conductive Intermediate Layer

Figure 5

Dielectric and percolation effect in the TENG. (a–c) Current carrier distribution and recombination in TENG based on pure PVDF film (a), low-concentration MXene-modified PVDF film (b), and high-concentration MXene-modified PVDF film (c). Yellow layer: conductive layer. Green layer: dielectric layer. Black line: conductive filler. (d–e) Numerical calculations on the potential distribution in TENG based on pure PVDF film (d), low-concentration MXene-modified PVDF film (e), and high-concentration MXene-modified PVDF film (f).