High performance proton conducting membranes for fuel cells made by photopolymerization of hydrolytically stable monomers
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Proton conducting membranes were prepared by photopolymerization of 2- acrylamido-2-methylpropane sulfonic acid solutions within the pores of polypropylene membranes. Several commercial and novel multifunctional monomers synthesized in IAS lab were investigated as suitable crosslinking agents for this application. Some membranes made with synthesized crosslinkers at low crosslinker concentrations exceeded 2.5 times the conductivity of Nafion® 115 membrane, while exhibiting a good hydrolytical stability, in contrast to the commercial crosslinkers based on multifunctional (meth)acrylates.
Keywords:proton conducting membranes / photopolymerization / Nafion®
Source:Proceedings of the 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, 2012, 492-494
- Belgrade, Serbia : Society of Physical Chemists of Serbia