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 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:
An electrolyte membrane for fuel cells, the electrolyte membrane including a polymer film and a polymerization product of a composition comprising i) a plurality of inorganic particles surface-treated with a surface treatment agent including the polymerizable double bonds and ii) a polymerizable acid monomer, wherein the inorganic particles and the polymerizable acid monomer are impregnated within the polymer film.
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:
An electrolyte membrane for a fuel cell includes: an inorganic ionic conductor including a trivalent metal element, a pentavalent metal element, phosphorous, and oxygen; and a polymer.
Abstract:
A composition including a compound represented by Formula 1, an azole-based polymer, and at least one of compounds represented by Formula 2-7 according to the specification, a composite obtained from the composition, an electrode and electrolyte for a fuel cell that include the composition or the composite, and a fuel cell including the electrode or the electrolyte membrane: M11-aM2aPxOy Formula 1 wherein, in Formula 1, M1 is a tetravalent element; M2 is at least one selected from the group including a monovalent element, a divalent element, and a trivalent element; 0≦a
Abstract:
A composition including a cross-linkable compound and at least one selected from compounds represented by Formula 1, a composite obtained from the composition, an electrode including the composition or the composite, a composite membrane including the composite, and a fuel cell including the composite membrane, wherein, in Formula 1, a and R are as defined in the specification.