作者: M.L Ponce , L.A.S de A. Prado , V Silva , S.P Nunes
DOI: 10.1016/S0011-9164(04)00072-4
关键词: Oxide 、 Polyether ether ketone 、 Inorganic chemistry 、 Chemistry 、 Membrane 、 Dispersion (chemistry) 、 Covalent bond 、 Direct methanol fuel cell 、 Silanes 、 Fumed silica 、 Mechanical engineering 、 General Materials Science 、 General chemistry 、 General Chemical Engineering 、 Water Science and Technology
摘要: Abstract Organic-inorganic membranes for direct methanol fuel cell (DMFC) application were prepared from sulfonated polyether ether ketone (SPEEK), containing heteropolyacids and an oxide phase either generated by hydrolysis ofamino-modified silanes or dispersion of a surface-modified fumed silica. The heteropolyacid was based on lacunary divacant [γ-SiW10O36]−8 contained epoxy groups which reacted with the ammo-groups in phase. reaction provides covalent bond between to insoluble phase, resulting its fixation membrane. organic-inorganic composites this way more stable than plain membrane, had lower crossover proton-conductivity same order magnitude.