期刊
NANO ENERGY
卷 44, 期 -, 页码 456-467出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2017.11.065
关键词
PVDF; ZnO; Power density; Self-poled; Self-charged
类别
资金
- University Grants Commission (UGC), India [F. 17-76/2008 (SA-1)]
Herein, we have synthesized multitalented beta crystallite prosperous and high dielectric ZnO/PVDF thin films via in situ process for energy harvesting and energy storing applications. The impregnation of the ZnO nanoparticles (NPs) in PVDF matrix has enhanced the electroactive beta crystal nucleation (F(beta) similar to 84% at 0.85 vol% doping) as well as piezoelectricity (d(33) similar to 50 pC/N at 50 Hz) and the dielectric value (similar to 109 at 1.7 vol% loading) effectively. The nanogenerator, named as ZPENG and the self-charged photo-power bank (PPB) developed using the optimized supercilious piezoelectric and dielectric films have exhibited superiority in power generation (power density similar to 32.5 mW/cm(3)) and energy storage capability (similar to 2000 F/) respectively that are highly impressive outputs compare to other similar prototype devices reported elsewhere till now. The realistic utilities of our fabricated ZPENG have been proved by light up 15 serially connected commercial blue light emitting diodes (LEDs) and charging capacitor (1 mu F) in a small time span under repetitive finger impartation. The ZPENG is also shows continuous band like power generation under vibration occurred due to blood circulation in human body. The self-charged PPB is also able to power up blue LED that has confirmed its realistic applicability as a power source.
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