4.6 Article

Wet-Chemical Synthesis of TiO2/PVDF Membrane for Energy Applications

Journal

MOLECULES
Volume 28, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/molecules28010285

Keywords

TiO2 nanoplates; PVDF; wet-chemical; negative electrode; energy storage

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In order to meet the increasing energy demands, it is crucial to develop electrochemical materials that can efficiently produce and store energy. Titanium dioxide (TiO2) has emerged as a promising choice due to its non-toxicity, low cost, and eco-friendliness, as well as its porosity, large surface area, good mechanical strength, and remarkable transport properties.
To satisfy the ever-increasing energy demands, it is of the utmost importance to develop electrochemical materials capable of producing and storing energy in a highly efficient manner. Titanium dioxide (TiO2) has recently emerged as a promising choice in this field due to its non-toxicity, low cost, and eco-friendliness, in addition to its porosity, large surface area, good mechanical strength, and remarkable transport properties. Here, we present titanium dioxide nanoplates/polyvinylidene fluoride (TiO2/PVDF) membranes prepared by a straightforward hydrothermal strategy and vacuum filtration process. The as-synthesized TiO2/PVDF membrane was applied for energy storage applications. The fabricated TiO2/PVDF membrane served as the negative electrode for supercapacitors (SCs). The electrochemical properties of a TiO2/PVDF membrane were explored in an aqueous 6 M KOH electrolyte that exhibited good energy storage performance. Precisely, the TiO2/PVDF membrane delivered a high specific capacitance of 283.74 F/g at 1 A/g and maintained capacitance retention of 91% after 8000 cycles. Thanks to the synergistic effect of TiO2 and PVDF, the TiO2/PVDF membrane provided superior electrochemical performance as an electrode for a supercapacitor. These superior properties will likely be used in next-generation energy storage technologies.

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