PROTECTIVE LAYER FOR PROTECTING LITHIUM METAL NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Disclosed is a protective layer to protect a lithium metal negative electrode for a lithium secondary battery, in which the protective layer may inhibit formation of lithium dendrite and improve thermal/chemical stability, and conductivity of lithium ions. Further, disclosed are a production method...

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Bibliographische Detailangaben
Hauptverfasser:	LE MONG, Anh, KIM, Duk Joon, JEON, Hyung Joon
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Disclosed is a protective layer to protect a lithium metal negative electrode for a lithium secondary battery, in which the protective layer may inhibit formation of lithium dendrite and improve thermal/chemical stability, and conductivity of lithium ions. Further, disclosed are a production method of the protective layer, and a lithium secondary battery including the protectively layer. The protective layer contains a poly(arylene ether sulfone)-poly(ethylene glycol) graft copolymer represented by a following Chemical Formula 1:where, in the Chemical Formula 1, n is an integer of 60 to 80, and m is an integer of 40 to 45.