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Hybrid Nafion-silica membranes doped with heteropolyacids for application in direct methanol fuel cells
Nafion–silica composite membranes doped with phosphotungstic and silicotungstic acids have been investigated for application in direct methanol fuel cells at high temperature (145°C). TheExpand
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Sulfonated polybenzimidazole membranes — preparation and physico-chemical characterization
Abstract The preparation of sulfonated polybenzimidazole by sulfuric acid treatment on pre-formed polybenzimidazole membranes was investigated. This polymer, which is originally a thermal resistantExpand
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Selectivity of Direct Methanol Fuel Cell Membranes
Sulfonic acid-functionalized polymer electrolyte membranes alternative to Nafion® were developed. These were hydrocarbon systems, such as blend sulfonated polyetheretherketone (s-PEEK), newExpand
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Electrochemical characterization of a PEM water electrolyzer based on a sulfonated polysulfone membrane
Abstract A polymer electrolyte membrane (PEM) based on a non-perfluorinated polymer as an alternative to Nafion was investigated for application in a water electrolyzer. The sulfonated polysulfoneExpand
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Performance analysis of polymer electrolyte membranes for direct methanol fuel cells
Abstract The status of research and development of polymer electrolyte membranes (PEMs) for direct methanol fuel cells (DMFCs) is described. Perfluorosulfonic acid membranes, e.g. Nafion, are widelyExpand
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Development and characterization of sulfonated polysulfone membranes for direct methanol fuel cells
Abstract The development of a direct methanol fuel cell based on composite polysulfone membranes modified with silica filler is reported. The synthesis of sulfonate polysulfone samples was carriedExpand
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Solid polymer electrolyte based on sulfonated polysulfone membranes and acidic silica for direct methanol fuel cells
Abstract Composite membranes based on sulfonated polysulfone and acidic silica filler were prepared and investigated for direct methanol fuel cells. A significant influence of nanosized acidic silicaExpand
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Cost Analysis of Direct Methanol Fuel Cell Stacks for Mass Production
Fuel cells are very promising technologies for efficient electrical energy generation. The development of enhanced system components and new engineering solutions is fundamental for the large-scaleExpand
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