This disclosure includes an ink composition that includes a polymer containing a polypyrrole and an organic solvent, in which the composition is a solution and the polymer is in an amount of from about 1 % to 70% by weight of the composition. This disclosu...

An aromatic copolymer comprises a hydrophilic segment (A) and a hydrophobic segment (B), wherein the hydrophilic segment (A) comprises a structural unit (1) having a proton conductive group, and the hydrophobic segment (B) comprises at least one structural...

Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block / non-polar moiety-containing copolymer block / polar moiety-containing copolymer block, o...

A cross-linked polyazole, a method of preparing the cross-linked polyazole, an electrode and an electrolyte membrane for a fuel cell, which include the cross-linked polyazole, a method of manufacturing the electrolyte membrane, and a fuel cell including th...

Disclosed are a multi-block copolymer, its producing method and an electrolyte membrane using the same. The multi-block copolymer includes a hydrophobic block having a plurality of repeating units represented as chemical formula 1; and a hydrophilic block ...

The present invention provides a polymer electrolyte, a crosslinked polymer electrolyte, a polymer electrolyte membrane and use of the same. The polymer electrolyte has a repeating unit represented by the following formula (1) in its molecule and an ion-ex...

An aromatic polymer containing aromatic polyamide structural units and aromatic carbohydrazide structural units at a specific ratio is disclosed. A film having a high Young's modulus, high elongation at break and low moisture absorption can be formed from ...

An object of the present invention is to obtain a novel polymeric material capable of forming a solid polymer electrolyte excellent not only in processability, solvent resistance and durability/stability but also in ion conductivity by introducing sulfonic...

An electric energy storage element contains a secondary battery or a capacitor. The electric energy storage element comprises a quinoxaline trimer compound as an electrode active substance and uses a proton as a charge carrier for the trimer compound. The ...