Abstract:
A compound including a cage-type structure of silsesquioxane wherein a group represented by Formula 1 or a salt thereof is directly linked to at least one silicon atom of the silsesquioxane, a composition including the compound, a composite formed therefrom, electrodes and an electrolyte membrane that include the composite, a method of preparing the compound, and a fuel cell including the electrodes and the electrolyte membrane. wherein in Formula 1, n is 1 or 2.
Abstract:
A polymer comprising a first repeating unit represented by Formula 1: wherein R1 to R13 and Ar1 in Formula 1 are defined in the specification.
Abstract:
A polymer comprising a first repeating unit represented by Formula 1: wherein R1 to R13 and Ar1 in Formula 1 are defined in the specification.
Abstract:
A polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof.