Cation exchange membranes and method for the preparation of such membranes

A modified polymeric cation exchange membrane for use in an electrochemical cell, the membrane having a salt selected from the group consisting of silver, tungsten, molybdenum and a mixture thereof deposited within the polymer matrix, the salt being insoluble in the electrolytes which, in use, conta...

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Bibliographische Detailangaben
Hauptverfasser:	COOLEY, GRAHAM E, D'AGOSTINO, VINCENT F
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	A modified polymeric cation exchange membrane for use in an electrochemical cell, the membrane having a salt selected from the group consisting of silver, tungsten, molybdenum and a mixture thereof deposited within the polymer matrix, the salt being insoluble in the electrolytes which, in use, contact either side of the membrane. The membranes are of particular use in electrochemical cells and combine a low electrolytic resistivity with a high permselectivity.