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We have prepared novel gas diffusion electrodes for polymer electrolyte fuel cells (PEFC) using new organic/inorganic hybrid electrolytes. The catalyst layers were prepared by mixing 3-(trihydroxysilyl)-1-propanesulfonic acid [(THS)Pro-SO 3 H], 1,8-bis(triethoxysilyl) octane (TES-Oct), Pt loaded carbon black (Pt-CB) and water, followed by a sol–gel reaction. It was found that addition of uncatalyzed...
Novel organic/inorganic hybrid electrolytes have been designed for high temperature polymer electrolyte fuel cells (PEFCs). The hybrid electrolyte membranes were synthesized from 1,8-bis(triethoxysilyl)octane (TES-Oct) and 3-(trihydroxysilyl)-1-propanesulfonic acid ((THS)Pro-SO 3 H) via sol–gel process. The membranes with sulfonic acid groups covalently bonded to the silica show higher proton...
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