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