Influence of molecular weight on the dielectric and energy storage properties of poly(vinylidene fluoride)
- 127 Downloads
The molecular weight shows great influence on dielectric and energy storage performance of poly(vinylidene fluoride) (PVDF) films and related devices. In this letter, the influences of molecular weight on the dielectric and energy storage properties of PVDF films were studied. It has been found that, under a 1000 kV/cm electric field, the low-molecular-weight PVDF film presents a much higher energy storage efficiency as high as 80.10%, nearly three times as much as the high-molecular-weight PVDF film. Moreover, the low-molecular-weight PVDF film also shows high resistivity, representing an order of magnitude improvement over the high-molecular-weight PVDF film, which is more desirable and promising for high performance pulse discharge capacitor application.
Keywordsmolecular weight poly(vinylidene fluoride) relative dielectric constant energy storage efficiency resistivity
Unable to display preview. Download preview PDF.
- 7.M. H. M. Wahid, R. M. Dahan, S. Z. Sa’ad, A. N. Arshad, M. N. Sarip, M. R. Mahmood, G. W. Chen, and A. M. W. Haliza, Adv. Mat. Res. 812, 60 (2013).Google Scholar
- 11.Y. Zhao, W. Yang, Y. Zhou, Y. Chen, X. Cao, Y. Yang, J. Xu, and Y. Jiang, J. Mater. Sci.: Mater. Electron. 27, 7280 (2016).Google Scholar