Physicochemical study of poly(ether ether ketone) electrolyte membranes sulfonated with mixtures of fuming sulfuric acid and sulfuric acid for direct methanol fuel cell application

• Main Authors: Jaafar, Jaafariah, Ismail, Ahmad Fauzi, Mustafa, Azeman
• Format: Article
• Published: Elsevier B.V. 2007
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/id/eprint/7186/; http://dx.doi.org/10.1016/j.msea.2007.02.095
• Institution: Universiti Teknologi Malaysia

Sulfonated poly(ether ether ketone) (SPEEK) membranes with various degrees of sulfonation (DS) have been prepared as a potential membrane material for proton exchange membrane by sulfonation process using mixtures of (15–30% concentration) fuming sulfuric acid and (95–98%) concentrated sulfuric...