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## Abstract Summary: Fuel cells were designed for high temperature operations. Poly[2,2β²β(__m__βphenylene)β5,5β²βbibenzimidazole] (PBI) was synthesized in a solution of P~2~O~5~, CH~3~SO~3~H, and CF~3~SO~3~H. The PBI was dissolved in a mixture of CF~3~CO~2~H and H~3~PO~4~ and the solution was used f
significant barriers to high-performance operation of traditional PEM fuel cells at elevated temperatures, where the relative humidity may be reduced. This work reports on approaches to the development of high-temperature membranes for PEM fuel cells; composite perfluorinated sulfonic
## Abstract The electrooxidation of methanol was studied at elevated temperature and pressure by cyclic voltammetry and constant potential experiments at real fuel cell electrocatalysts. Ruthenium core and platinum shell nanoparticles were synthesized by a sequential polyol route, and characterized