Author = Azza Ibrahim Hafez
High-Performance Proton Exchange Membrane Fuel Cell Membranes from Sulfonated Chitosan Enhanced with Sulfonated Titanium Dioxide and Sulfonated Silicon Dioxide Nanoparticles

Articles in Press, Accepted Manuscript, Available Online from 03 August 2025

10.21608/ejchem.2025.383225.11733

Sara G. Abd-elnaeem; Azza Ibrahim Hafez; kamel M. El-Khatib; Heba A.M Abdallah; Mai Mohamed Kamal El Din Fouad; Ehab Abadir


Parameters Affecting Synthesis of Sulfonated Chitosan Membrane for Proton Exchange Membrane in Fuel Cells

Volume 67, Issue 5, May 2024, Pages 191-204

10.21608/ejchem.2023.230907.8651

Sara gamil Abd-elnaeem; Azza Ibrahim Hafez; kamel M. El-Khatib; Heba Abdallah Mohamed; Mai Mohamed Kamal El Din Fouad; Ehab Abadir


Pilot Plant Experiments for Extraction of Inorganic Products from Agro Solid Waste and Cost Estimation of the Products

Volume 67, Issue 1, January 2024, Pages 239-253

10.21608/ejchem.2023.208907.7942

Azza Ibrahim Hafez; Maaly M. A. Khedr; Hanaa Mohamed Ali; Rania Mohamed Sabry; Hanna I Gadalla