Combined Effects of PVDF/PEO-EC GEL Polymer Electrolytes for High-Performance Hybrid Electrochemical Supercapacitors
Ramkumar Gurusamy, Tae Hwan Oh, Arunpandian Muthuraj, Aravindha Raja Selvaraj
TL;DR
This paper explores a polymer electrolyte blend that improves the performance of hybrid supercapacitors by enhancing conductivity and capacitance.
Contribution
The study introduces a novel plasticized polymer electrolyte with 40% EC that significantly boosts supercapacitor performance.
Findings
The 40% EC-based PPE achieved 313.3% liquid electrolyte absorption and 2.08 mS/cm ionic conductivity.
The hybrid supercapacitor with 40% EC-based PPE showed superior capacitance and retention after 10,000 cycles.
Incorporating EC increased pore volume and size, enhancing the electrolyte's performance.
Abstract
This article delineates the electrical characteristics and usefulness of a plasticized polymer electrolyte (PPE) manufactured from PVDF/PEO blends, using varying weight percentages of the plasticizer ethylene carbonate (EC) in conjunction with a liquid electrolyte. Micro-porous solid-state polymer electrolyte membranes were fabricated using the non-solvent-induced phase separation (NIPS) method. The polymer composite membranes modified by the incorporation of a plasticizer (40 weight percent of EC) exhibited enhanced porosity and absorbed a significant quantity of liquid electrolyte (313.3%). A N2 adsorption isotherm study indicates an increase in pore volume and pore size resulting from the incorporation of EC in PPE. This resulted in a satisfactory level of ionic conductivity (2.08 mS/cm) at 25 °C, attributable to the inclusion of 40 wt.% EC-based PPE, which has a high dielectric…
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Taxonomy
TopicsAdvanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication · Fuel Cells and Related Materials