Provided are a hydroxyl group-containing sulfonated polyethersulfone copolymer, a method for preparing the same, a polymer electrolyte membrane for fuel cell, and a membrane electrode assembly including the same. More particularly, provided are a hydroxyl ...

Provided are a ceria-based composition having an undoped or metal-doped ceria and an undoped or metal-doped bismuth oxide, wherein the undoped or metal-doped bismuth oxide is present in an amount equal to or more than about 10 wt% and less than about 50 wt...

The present invention relates to a fuel cell interconnector and a method of manufacturing the same that reduces chromium volatilization and increases electrical conductivity and oxidation resistance by promoting the formation of a spinel oxide layer throug...

The present invention discloses a carbon-porous media composite electrode material, a composite electrode using the same and a preparation method thereof. The carbon-porous media composite electrode can be applied for a device such as a secondary battery, ...

An ion exchange composition membrane is made up of dispersed natural clay and/or organized clay in ion conducting polymeric film as a methanol barrier material. The membrane exhibits low methanol crossover, high proton conductivity and is thus suitable for...