Bipolar membrane and method for fabricating such bipolar membrane
AssigneesSolvay (Societe Anonyme), Electricite de France
InventorsHeinz Hurwitz, Rachid El Moussaoui
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Abstract
A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate and/or sulphite, including less than 0.01 mol % of indium, cerium, manganese and copper sulphates gel, is formed.
Claims15
A bipolar membrane which can be used for the electrodialysis of aqueous electrolytes, comprising two ion exchange membranes, anionic and cationic respectively, which are juxtaposed along a common surface, characterized in that said bipolar membrane further comprises, along said common surface, a gel based on hydrated metal sulfate and/or sulfite but containing less than 0.01 mol % of indium, cerium, manganese or copper sulfate gel.
Dependencies are inferred from the claim text.