Effect of polyvinyl alcohol on electrical, spectroscopic and thermal properties of gum acacia-based gel electrolytes containing NaOH

Sharma, Viney; Arora, Narinder; Kumar, Rajiv; Singh, Simranjit; Verma, Shashi Kant

doi:10.1007/s00289-021-03915-3

Cited by 4 publications

(2 citation statements)

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“…It is seen that the two bands near 954 cm −1 and 844 cm −1 are corresponding to CH 2 rocking mode, C‐C stretching vibrations. Apart from this, the observed band is responsible for the C‐C symmetric stretching 52,53 . The C‐O stretching or C‐N stretching and CH 2 wagging were observed at 1088 and 1260 cm −1 ; the shifts in the peak position are due to the doping of BaTiO 3 fillers.…”

Section: Resultsmentioning

confidence: 90%

“…Apart from this, the observed band is responsible for the C-C symmetric stretching. 52,53 The C-O stretching or C-N stretching and CH 2 wagging were observed at 1088 and 1260 cm À1 ; the shifts in the peak position are due to the doping of BaTiO 3 fillers. The observed band spectra at 2946 cm À1 , CH 2 asymmetric stretching, which is shifted, respectively, with the wavenumbers 2933, 2919, 2933, 2920, 2937 cm À1 , these peaks were corresponds to the variation in the weight percentage of the filler in the polymer solution.…”

Section: Fourier Transform Infrared (Ft-ir)mentioning

confidence: 98%

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High performance of the sodium‐ion conducting flexible polymer blend composite electrolytes for electrochemical double‐layer supercapacitor applications

et al. 2022

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Herein, we present the synthesis of a nanocomposite blend of polyvinyl alcohol (PVA), polyethylene glycol (PEG), sodium nitrate (NaNO3), and various weight percent of nanofillers, BaTiO3, using a simple standard solution casting technique. The prepared nanocomposites are characterized in detail via techniques such as X‐ray diffraction technique, field‐emission scanning microscope, FTIR, and Raman spectra for confirming the crystal structure, morphology, and chemical bond formation within the samples, respectively. The suitable ionic conductivity of prepared samples is in the range of 10−4–10−8 S/cm at room temperature. Further, its maximum electrochemical stability window is ~4.1 V, and the ionic transference number is about 0.96 (15 wt%) at room temperature. The results associated with the optimized polymer nanocomposite motivated us to check its practical applicability for supercapacitors. The cyclic voltammetry of the fabricated cell based on optimized polymer as separator cum electrolyte appears as a distorted rectangle with no redox peaks. The cell charge storage mechanism is explored to be the electric double layer (EDLC) in nature. The maximum specific capacitance exhibited by the cell is nearly 4.4 F/g at a scan rate of 3 mV/s. The energy and power densities delivered by the same cell are equal to 27.7 W h kg−1 and 9972 W kg−1, respectively, which sustain for 100 cycles. The results of the designed cell reveal that both blend polymer composite electrolyte films and the composite electrode can be implemented to be used for EDLC supercapacitor.

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Section: Resultsmentioning

confidence: 90%

Section: Fourier Transform Infrared (Ft-ir)mentioning

confidence: 98%