Abstract
Ocean wave energy is one of the most promising clean and renewable energy, triboelectric nanogenerators (TENGs) can be seen as a promising technology by harvesting blue energy to reduce greenhouse gas emissions. This work utilized a novel process to fabricate porous foam-shaped PDMS vibrator combined with aluminium metal electrode film and polyimide (Kapton) film to form a contact separation single electrode vibrating friction nanogenerator. The vibratory TENG with porous PDMS spherule (P-TENG) as vibrator enhanced the output performance with facile manufacturing process. The results show that the output voltage of the vibratory friction nanogenerator with porous spherules as the vibratory friction nanogenerator is 38.89% higher than that with solid ones and the charge accumulation and release period is eight times higher. Given the features of exceptional output performance, unprecedented robustness and universal applicability resulting from porous structure, the P-TENG is promising candidate for ocean wave energy harvesting in our water-wave experiment.
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