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March 29, 2026Scientific Reports2 citationsOpen Access

Enhanced Proton Conductivity in PVA/PSSA-CNTs Polyelectrolyte Membranes for Fuel Cells

Cross-linked PVA/PSSA-CNTs based polyelectrolyte membranes with enhanced proton conductivity for fuel cell applications

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Authors

EEEman A. El-DesoukyESEmad A. SolimanAEAli A. El-Bardan

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Overview

Research demonstrates improved proton conductivity in polyelectrolyte membranes, indicating better fuel cell performance.

Key Points

  • This research aims to develop polyelectrolyte membranes that enhance proton conductivity while maintaining mechanical integrity and economic feasibility.
  • Preparation of cross-linked PVA membranes using varying molar ratios of PSSA@CNTs
  • Analysis via FT-IR spectroscopy to confirm esterification reactions
  • Surface topography evaluation through TEM and SEM
  • Testing for swelling resistance via water contact angle and water uptake measurements
  • Investigation of mechanical properties and thermal stability through tensile strength and TGA
  • Membranes with 1% PSSA@CNTs achieved a proton conductivity of 6.12 × 10−2 S.cm−1
  • Tensile strength improved by approximately 60% with PSSA@CNTs addition
  • Water uptake value was recorded at 45.11%
  • The ion exchange capacity was measured at 3.03 meq/g
  • Thermal stability was significantly enhanced compared to pristine PVA membranes

Cite This Study

El-Desouky et al. (2026) studied this question.

synapsesocial.com/papers/69c8c247de0f0f753b39c87dhttps://doi.org/10.1038/s41598-026-43521-9
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