Possible Lead-Free Nanocomposite Polymer Dielectrics for High Energy Storage Applications
Dr. Kurpapti Srinivas, Nanotechnology Group, Department of Physics, GMR Institute of Technology, R Ajam, A.P. India.
Manuscript received on August 10, 2014. | Revised Manuscript Received on August 12, 2014. | Manuscript published on August 18, 2014. | PP: 09-14 | Volume-1 Issue-9, August 2014.
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: There is an increasing demand to improve the energy density of dielectric capacitors for satisfying the next generation material systems. One effective approach is to embed high dielectric constant inclusions such as lead zirconia titanate in polymer matrix. However, with the increasing concerns on environmental safety and biocompatibility, the need to expel lead (Pb) from modern electronics has been receiving more attention. Using high aspect ratio dielectric inclusions such as nanowires could lead to further enhancement of energy density. Therefore, the present brief review work focuses on the feasibility of development of a lead-free nanowire reinforced polymer matrix capacitor for energy storage application. It is expected that Leadfree sodium Niobate nanowires (NaNbO3) will be a future candidate to be synthesized using simple hydrothermal method, followed by mixing them with polyvinylidene fluoride (PVDF) matrix using a solution-casting method for Nanocomposites fabrication. The energy density of NaNbO3/PVDF composites are also be compared with that of lead-containing (PbTiO3/PVDF) Nano composites to show the feasibility of replacing lead-containing materials from high-energy density dielectric capacitors. This paper is very much useful researchers who would like to work on polymer nanocomposites for high energy storage applications.
Keywords: Polymer nanocomposite, high energy, storage capacitors