Abstract
Gelatin-HCl protonic gel polymer electrolytes were obtained by crosslinking with formaldehyde in the presence of hydrochloric acid and glycerol as plasticizer and characterized in present study. The ionic conductivity measurements revealed the best value of 5.35 × 10−5 S cm−1 at room temperature. Factorial design analysis showed that influence of glycerol is more pronounced than influence of acid on ionic conductivity values. Moreover, the 90 % transparent membranes evidenced a linear increase of ionic conductivity values of 5.35 × 10−5 S cm−1 at 26.5 °C to 5.77 × 10−4 S cm−1 at 82.8 °C following Arrhenius type mechanism of charge mobility.
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The authors are indebted to FAPESP, CAPES and CNPq for the financial support given to this research.
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Pawlicka, A., Vieira, D.F. & Sabadini, R.C. Gelatin-HCl biomembranes with ionic-conducting properties. Ionics 19, 1723–1731 (2013). https://doi.org/10.1007/s11581-013-0935-9
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DOI: https://doi.org/10.1007/s11581-013-0935-9