Poly(vinylidene fluoride-hexafluoropropylene)/organo-montmorillonite clays nanocomposite lithium polymer electrolytes

The dye-sensitized solar cell (DSSC) devices using polymer electrolytes based on electrospun poly(vinylidene fluoride-hexafluoro propylene) (PVDF-HFP) nanofibers were fabricated and investigated the photovoltaic performances. The electrospun PVDF-HFP nanofibers were prepared by various parameters such as; polymer concentrations, applied voltages, and tip to collector distances (TCD) by the electrospinning method. The open circuit voltage (VOC), short circuit current (JSC), fill factor (FF), and overall power conversion efficiency (η) of DSSC devices using electrospun PVDF-HFP nanofibers were 0.7180–0.7420 V, 9.7200–10.8837 mA/cm2, 0.5610–0.6250, and 4.1700–5.0186%, respectively. When 15 wt% of polymer concentration, 14 kV of applied voltage, and 14 cm of TCD is applied to fabricate the PVDF-HFP nanofiber, the electrospun PVDF-HFP nanofiber should be the regular diameter of a nanofiber, the power conversion efficiency of the DSSC device reached 5.0186% as the best result.

Download Full-text

Nanocomposite Polymer Electrolytes for Zinc and Magnesium Batteries: From Synthetic to Biopolymers

Polymers ◽

10.3390/polym13244284 ◽

2021 ◽

Vol 13 (24) ◽

pp. 4284

Author(s):

María Fernanda Bósquez-Cáceres ◽

Sandra Hidalgo-Bonilla ◽

Vivian Morera Córdova ◽

Rose M. Michell ◽

Juan P. Tafur

Keyword(s):

Polymer Electrolytes ◽

Large Scale ◽

Vinylidene Fluoride ◽

Mechanical Performance ◽

Rechargeable Batteries ◽

Practical Applications ◽

Nanocomposite Polymer ◽

Multivalent Ions ◽

Poly Vinylidene Fluoride ◽

Nanocomposite Polymer Electrolytes

The diversification of current forms of energy storage and the reduction of fossil fuel consumption are issues of high importance for reducing environmental pollution. Zinc and magnesium are multivalent ions suitable for the development of environmentally friendly rechargeable batteries. Nanocomposite polymer electrolytes (NCPEs) are currently being researched as part of electrochemical devices because of the advantages of dispersed fillers. This article aims to review and compile the trends of different types of the latest NCPEs. It briefly summarizes the desirable properties the electrolytes should possess to be considered for later uses. The first section is devoted to NCPEs composed of poly(vinylidene Fluoride-co-Hexafluoropropylene). The second section centers its attention on discussing the electrolytes composed of poly(ethylene oxide). The third section reviews the studies of NCPEs based on different synthetic polymers. The fourth section discusses the results of electrolytes based on biopolymers. The addition of nanofillers improves both the mechanical performance and the ionic conductivity; key points to be explored in the production of batteries. These results set an essential path for upcoming studies in the field. These attempts need to be further developed to get practical applications for industry in large-scale polymer-based electrolyte batteries.

Download Full-text