The present invention relates to a binder composition for a fuel cell
including a proton conductor and one or more binders selected from the
group consisting of poly[2,2'-(m-phenylene)-5,5'-bibenzimidazole] (PBI),
poly[2,5-benzimidazole] (ABPBI), polybenzoxazole (PBO), and
polybenzothiazole (PBT).