METHOD FOR ACTIVATING LITHIUM SECONDARY BATTERY

An activation method of a lithium secondary battery according to the present invention includes: (a) preparing a preliminary lithium secondary battery in which the electrode assembly including a positive electrode, negative electrode, and separator, is housed in a battery case with an electrolyte; (...

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Bibliographische Detailangaben
Hauptverfasser:	HAM, Seok Won, CHOI, Young Sang, JANG, Min Young, JEONG, Yeon Woo, LEE, Han Jin, YEO, Chang Sin
Format:	Patent
Sprache:	eng ; fre ; ger
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:	An activation method of a lithium secondary battery according to the present invention includes: (a) preparing a preliminary lithium secondary battery in which the electrode assembly including a positive electrode, negative electrode, and separator, is housed in a battery case with an electrolyte; (b) initial charging of charging the preliminary lithium secondary battery until it reaches a predetermined voltage; (c) degassing process, which removes the gases inside the preliminary lithium secondary battery generated during the initial charging and seals; and (d) aging process for aging the preliminary lithium secondary battery, wherein the processes (a) to (d) are performed sequentially.