TY - JOUR T1 - Recent Advances in Biopolymer-Based Membranes for Proton Exchange Membrane Fuel Cells JO - Energies UR - https://doi.org/10.3390/en19102426 PY - 2026/05/18 AU - Ševo B AU - Bašić A AU - Amdursky N AU - Penga Ž ED - DO - DOI: 10.3390/en19102426 PB - MDPI AG VL - 19 IS - 10 SP - 2426 EP - 2426 Y2 - 2026/06/03 ER -