A porous composite material based on zirconium oxide fibers has been obtained, which has a high resistance to the action of a concentrated alkaline solution and satisfactory mechanical strength. Samples were made with different pore sizes in layers that perform different functions. The study of the obtained samples showed that zirconium oxide fibers with high thermal stability and chemical resistance, especially to the action of alkalis, have good prospects for the manufacture of separators for alkaline batteries, especially in cases where it is necessary to combine high energy characteristics with increased reliability and service life.
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