燃料电池是把水电解成为氧气和氢气的逆过程.在1839年,英国科学家Sir William Robert Grove发现氢气和氧气能够再结合产生水和电流,这也就是燃料电池的诞生.尽管现在有多种燃料电池,但高分子电解膜燃料电池是车用燃料电池中的领先者,被...燃料电池是把水电解成为氧气和氢气的逆过程.在1839年,英国科学家Sir William Robert Grove发现氢气和氧气能够再结合产生水和电流,这也就是燃料电池的诞生.尽管现在有多种燃料电池,但高分子电解膜燃料电池是车用燃料电池中的领先者,被全球汽车制造商认为是传统内燃机的替代物.展开更多
Polyethylene glycol diacrylates(PEGDA)monomers, which contain double bond on the terminal group of polyethylene glycol(PEG)and can be used in synthesis of UV-curable solid polymer electrolytes (SPE), were prepared thr...Polyethylene glycol diacrylates(PEGDA)monomers, which contain double bond on the terminal group of polyethylene glycol(PEG)and can be used in synthesis of UV-curable solid polymer electrolytes (SPE), were prepared through esterification of PEG and acrylic acid.A cured conductive polymer film consisting of lithium salt was then obtained by irradiation with ultraviolet rays.The factors affecting film-forming,photosensitivity and conductance were studied.From experiments, while Li/O=1/6 and n =18,the ionic conductivity of the SPE membrane could reach 10 -5 ?S·cm -1 at room temperature and its performance was relatively good.展开更多
文摘Polyethylene glycol diacrylates(PEGDA)monomers, which contain double bond on the terminal group of polyethylene glycol(PEG)and can be used in synthesis of UV-curable solid polymer electrolytes (SPE), were prepared through esterification of PEG and acrylic acid.A cured conductive polymer film consisting of lithium salt was then obtained by irradiation with ultraviolet rays.The factors affecting film-forming,photosensitivity and conductance were studied.From experiments, while Li/O=1/6 and n =18,the ionic conductivity of the SPE membrane could reach 10 -5 ?S·cm -1 at room temperature and its performance was relatively good.