Driving the Polyvinylidene Fluoride Crystallization via Surface Functionalization of Ferromagnetic Nanoparticles for Liquid-Solid Triboelectric Nanogenerator Enhancement

In order to meet the growing demand for sustainable and renewable energy, significant processes have been achieved in energy harvesting field recent years. Due its strong polarity property superior mechanical characteristics, polyvinylidene fluoride (PVDF) serves as most attractive material a liquid-solid triboelectric nanogenerator (LS-TENG). PVDF-based TENG has come long way thus far. Hence, we developed high-performance magnetoelectric (ME) nanocomposite membrane made of PVDF CoFe2O4 nanoparticles application layer LS-TENG device. large magnetic anisotropy CoFe2O4, interaction between electromagnetic phase crystalline could well be established. Moreover, chemical technique is used introduce 1H,1H,2H,2H-perfluorooctyltriethoxysilane (POTS) with reasonably extended chain increase dispersion PVDF. Thus, β increased 77.7% 10 wt.% reached maximum value 85.4% CoFe2O4@POTS matrix, indicating an dielectric constant membrane. Besides, CoFe2O4/PVDF-based also delivers power density 1.62 W/m2, which 2.7 higher than pure TENG. This work demonstrates novel increasing CoFe2O4/PVDF membrane, improve output performance real-life applications harvesting.