This review critically examines the recent progress in the development of sulfonated polyether sulfone (SPES) and its derivatives (including sulfonated polyether sulfone with open sulfonic acid groups (SPESOS)) as functional matrices for next-generation proton exchange membrane (PEM) fuel cells. SPES-based membranes offer a tunable backbone, excellent thermal and mechanical stability, and chemical resistance, yet they often suffer from reduced proton conductivity and hydration stability under low-humidity or high-temperature conditions.
Youssef O. Al-Ghamdi
Sherif M.A.S. Keshk
This review critically examines the recent progress in the development of sulfonated polyether sulfone (SPES) and its derivatives (including sulfonated polyether sulfone with open sulfonic acid groups (SPESOS)) as functional matrices for next-generation proton exchange membrane (PEM) fuel cells. SPES-based membranes offer a tunable backbone, excellent thermal and mechanical stability, and chemical resistance, yet they often suffer from reduced proton conductivity and hydration stability under low-humidity or high-temperature conditions.
Youssef O. Al-Ghamdi; Sherif M.A.S. Keshk. 2025-12. Functionalized clay nanocomposites for enhanced proton conductivity in polyether-based fuel cell membranes. Applied Clay Science. 107999. https://doi.org/10.1016/j.clay.2025.107999
Senior Researcher in Polymer Materials, Nanocomposites and Sustainable Materials Engineering
Sherif Keshk specialises in polymer materials, nanocomposites and sustainable materials engineering.
View detailsSenior Researcher in Polymer Materials, Nanocomposites and Sustainable Materials Engineering
Sherif Keshk specialises in polymer materials, nanocomposites and sustainable materials engineering.
View details