Theoretical study of enhancing the piezoelectric nanogenerator’s output power by optimizing the external force’s shape | Zendy

Qi Xu | Zendy; Yong Qin | Zendy

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Theoretical study of enhancing the piezoelectric nanogenerator’s output power by optimizing the external force’s shape

Author(s) -

Qi Xu,

Yong Qin

Publication year - 2017

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4975772

Subject(s) - piezoelectricity , nanogenerator , materials science , power (physics) , square (algebra) , magnitude (astronomy) , composite material , physics , geometry , mathematics , thermodynamics , astronomy

The average power is one of the key parameters of piezoelectric nanogenerators (PENGs). In this paper, we demonstrate that the PENG’s output can be gigantically improved by choosing driving force with an appropriate shape. When the load resistance is 100 MΩ and the driven forces have a magnitude of 19.6 nN, frequency of 10 Hz, the average power of PENG driven by square shaped force is six orders of magnitude higher than that driven by triangular shaped and sinusoidal shaped forces. These results are of importance for optimizing the average power of the PENGs in practical applications

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