An electrolyte membrane for use in an electrochemical cell
AssigneeKemira Oyj
InventorsTanja Kallio, Sakari Halttunen, Jussi Ruotsalainen, Torsten Haverinen-Nielsen
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Abstract
An electrolyte membrane suitable for use in an electrochemical cell is described. 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.
Claims15
An electrolyte membrane suitable for use in an electrochemical cell, comprising a polymer electrolyte body and at least one metal oxide thin film layer deposited by atomic layer deposition (ALD) method on at least one surface of the polymer electrolyte body, wherein said metal oxide thin film layer is permeable to protons and wherein the metal oxide thin film layer further comprises in addition to this primary metal oxide thin film layer, at least one secondary metal oxide thin film layer selected from copper or silver, provided that the metal is different than in the first metal oxide thin film layer.
A method for manufacturing an electrolyte membrane comprising a polymer electrolyte body and at least one metal oxide thin film layer on a surface of the polymer electrolyte body, wherein said method comprises the steps of
- (i) providing a polymer electrolyte body, and
- (ii) depositing on at least one surface of said polymer electrolyte body at least one metal oxide thin film layer wherein the metal oxide thin film layer is deposited using atomic layer deposition (ALD) method,
- wherein the metal oxide thin film layer further comprises in addition to this primary metal oxide thin film layer, at least one secondary metal oxide thin film layer selected from copper or silver, provided that the metal is different than in the first metal oxide thin film layer.
Dependencies are inferred from the claim text.