Elektrolyyttimembraani käytettäväksi sähkökemiallisessa kennossa

摘要

An electrolyte membrane suitable for use in an electrochemical cell is de- scribed. It comprises a polymer electrolyte body and at least one metal oxide thin film layer on at least one surface of the polymer electrolyte body, wherein said metal oxide thin film layer is permeable to protons. Furthermore, the method for preparation and uses thereof are disclosed.