By a News Reporter-Staff News Editor at Journal of Technology -- Fresh data on Sensor Research are presented in a new report. According to news reporting from Kaohsiung, Taiwan, by VerticalNews journalists, research stated, "This investigation aims to study energy conversion and actuation properties of the modified near-field electrospinning piezoelectric polyvinylidene fluoride (PVDF) fibers. Conceptually, the mixed PVDF solution was electrospun, and highly aligned fibers were collected using a rotating glass tube collector."
The news correspondents obtained a quote from the research from National Sun Yat Sen University, "In order to grow beta-form extended-chain crystallites in PVDF fibers, during electrospining process, a polymer solution experiences two forces. For the purpose of producing a stable jet of polymer solution, under a high electric field (1.6 x 10(7) V/m), polymer jet was elongated and accelerated due to a greater Coulombic force. The other one is a strong extensional force when a glass tube collector (rotating speed: 700-2100 r.p.m) was used to collect PVDF fibers. After carbon nanotubes (CNTs) were added to the orderly aligned PVDF fibers (diameter: 0.2-1.6 mu m), CNTs may interact with PVDF, resulting in obvious beta-phase enhancement. Software of FEA with model solution was employed to assist us in estimating the two significant piezoelectric actuation deformations. In actuation experiment, the suspended PVDF fiber presented a large deflection under high electric field."
According to the news reporters, the research concluded: "The bending results in a mechanical strain (0.05%-0.1%) distributed along the PVDF fibers, and the induced maximum voltage and current output of the harvesters were 43.6 mV(p-p) and 240 nI(p-p) at 15-Hz impact frequency, respectively."
For more information on this research see: Piezoelectricity of Well-Aligned Electrospun Fiber Composites. IEEE Sensors Journal, 2013;13(10):4098-4103. IEEE Sensors Journal can be contacted at: Ieee-Inst Electrical Electronics Engineers Inc, 445 Hoes Lane, Piscataway, NJ 08855-4141, USA. (Institute of Electrical and Electronics Engineers - www.ieee.org/; IEEE Sensors Journal - ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7361)
Our news journalists report that additional information may be obtained by contacting Z.H. Liu, Natl Sun Yat Sen Univ, Dept. of Mech & Electromech Engn, Kaohsiung 80424, Taiwan. Additional authors for this research include C.T. Pan, Z.Y. Ou and W.C. Wang.
Keywords for this news article include: Asia, Taiwan, Kaohsiung, Sensor Research
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