Fumed silicon dioxide particles were added to the PFSI resin solution to get a mixed solution, and a novel self-humidified composite membrane were made by this mixed solution and PTFE.

• 用气相SiO2颗粒加入到全氟磺酸溶液中得到的混合液和PTFE多孔膜制得了一种新的自增湿复合膜。