POLYMER ELECTROLYTE, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY USING THE SAME

PURPOSE: A polymer electrolyte, a manufacturing method thereof, and a lithium secondary battery using the same are provided to simultaneously realize high ionic conductivity, superior mechanical strength and adhesive property by using crosslinked polymer particles and polymer binder having a high co...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, SEON UK, KIM, HUI TAK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PURPOSE: A polymer electrolyte, a manufacturing method thereof, and a lithium secondary battery using the same are provided to simultaneously realize high ionic conductivity, superior mechanical strength and adhesive property by using crosslinked polymer particles and polymer binder having a high content ratio of electrolyte. CONSTITUTION: The polymer electrolyte (12) comprises crosslinked polymer particles (12a), polymer binder (12b), ionic salts and electrolyte. The method for manufacturing a polymer electrolyte comprises the steps of crosslinking one or more polymers selected from the group consisting of polyacrylate based polymer, polyacrylonitrile based polymer, polyvinyl pyrrolidone based polymer, polyethylene oxide based polymer, and polyvinyl sulfone based polymer; mixing the crosslinked polymer particles, polymer binder, ionic salts and electrolyte; heating the mixture; and casting the obtained reactant.