A novel sulfonated polyimide containing triphenyl methane as the polymer electrolytes for fuel cell appliaction was successfully synthesized.The sulfonic acid function was only attached at the para positions on the pe...A novel sulfonated polyimide containing triphenyl methane as the polymer electrolytes for fuel cell appliaction was successfully synthesized.The sulfonic acid function was only attached at the para positions on the pendant phenyl rings due to the novel sulfonated diamine structures designed.The sulfonated polymers are very soluble in common organic solvents,such as dimethyl sulfoxide,N,N’-dimethylacetamide,and can be readily cast into tough and smooth films from solutions.The membranes show excellent hydrolytic and oxidative stabilities and can be potentially used as the proton-exchange membranes for fuel-cells.展开更多
文摘A novel sulfonated polyimide containing triphenyl methane as the polymer electrolytes for fuel cell appliaction was successfully synthesized.The sulfonic acid function was only attached at the para positions on the pendant phenyl rings due to the novel sulfonated diamine structures designed.The sulfonated polymers are very soluble in common organic solvents,such as dimethyl sulfoxide,N,N’-dimethylacetamide,and can be readily cast into tough and smooth films from solutions.The membranes show excellent hydrolytic and oxidative stabilities and can be potentially used as the proton-exchange membranes for fuel-cells.
基金supported by the National Key Research and Development Plan(2017YFB0403000)the National Natural Science Foundation of China(61504083)+5 种基金the Public Welfare Capacity Building in Guangdong Province,China(2015A010103016)the Science and Technology Foundation of Shenzhen,China(JCYJ20160226192033020)the Natural Science Foundation of Guangdong Province,China(2016A030313060)the PhD Start-up Fund of Natural Science Foundation of Guangdong Province,China(2017A030310424)the Natural Science Foundation of SZU,China(000062)the National Taipei University of Technology-Shenzhen University Joint Research Program,China(2018001)~~
