The investigation of the effect of various degrees of sulfonation (DS) is important for the
selection and modification of hydrocarbon type membranes towards ion exchange …

A novel poly (ether ether ketone)(PEEK) containing pendant carboxyl groups has been
synthesized by a nucleophilic polycondensation reaction. Sulfonated polymers (SPEEKs) …

In this study, a series of sulfonated poly (ether ether ketone)(SPEEK) membranes are
prepared and thermally treated in different conditions, ie, temperature (120–180° C), time (6 …

Sulfonated poly (ether ether ketone) s (SPEEKs) with various sulfonation degrees were
prepared and characterized for the intention of fuel cell applications. Two distinct water …

A proton exchange membrane (PEM) is a crucial component in a fuel cell application as a
proton carrier and separator for the anode and cathode. Sulfonated poly (ether ketone …

Novel sulfonated poly (ether ether ketone ketones)(SPEEKKs) based membranes have
been prepared and evaluated for proton exchange membranes (PEMs). Directly aromatic …

Sulfonated polyether-etherketone (SPEEK) has a potential for proton exchange fuel cell
applications. However, its conductivity and thermohydrolytic stability should be improved. In …

Sulfonated poly (ether ether ketone)(SPEEK) membranes have been prepared as a
potential polymer electrolyte membrane (PEM) for direct methanol fuel cell (DMFC) …

Sulfonated poly (ether ether ketone)(SPEEK) membranes with various degrees of
sulfonation (DS) have been prepared as a potential membrane material for proton exchange …

Sulfonated poly ether ether ketone (SPEEK) has high potential for proton exchange
membrane fuel cell (PEMFC) application and has been widely considered as most …