METHOD FOR MAKING A MEMBRANE,MEMBRANE MADE ACCORDING TO THIS METHOD AND ELECTROCHEMICAL CELL COMPRISING SUCH A MEMBRANE

摘要

Method for making a porous membrane with a symmetrical structure which is gastight when saturated with electrolyte and whereby, according to this method, a solution is made from an organic binding agent in a solvent and the solvent is removed by means of extraction through immersion in an organic non-solvent, characterized in that an amount of metal oxide and/or metal hydroxide is added to the solution.