Solid polymer electrolyte

A miscible blend of two acrylic polymers, one of which contains a poly(1,2 -alkyleneoxy) side chain, with a soluble lithium salt yields a conducting polymer system useful in small rechargeable batteries without the need for volatile polar solvents. By employing one polymer with a glass temperature b...

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Bibliographische Detailangaben
Hauptverfasser:	LAFLEUR, EDWARD EWART
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS ELECTRICITY INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A miscible blend of two acrylic polymers, one of which contains a poly(1,2 -alkyleneoxy) side chain, with a soluble lithium salt yields a conducting polymer system useful in small rechargeable batteries without the need for volatile polar solvents. By employing one polymer with a glass temperature below 35 DEG C. in conjunction with control of molecular weight of both components, a flexible film may be formed by conventional thermoplastic methods. The conductive salt, preferably LiN(CF3SO2)2), may be incorporated during the polymerization which forms the acrylic polymers.