LITHIUM SECONDARY BATTERY HAVING HIGH SPECIFIC CAPACITY

The present disclosure relates a lithium-sulfur battery, comprising an electrode assembly, a case accommodating the electrode assembly and an electrolyte solution,wherein the electrode assembly comprises a positive electrode, a negative electrode, a separator, and an electrolyte solution; wherein th...

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Bibliographische Detailangaben
Hauptverfasser:	Jae-Min, HYUN, Rin, JANG, Sang-Woo, KIM, Seong-Hyo, PARK, Bong-Soo, KIM
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:	The present disclosure relates a lithium-sulfur battery, comprising an electrode assembly, a case accommodating the electrode assembly and an electrolyte solution,wherein the electrode assembly comprises a positive electrode, a negative electrode, a separator, and an electrolyte solution; wherein the positive electrode comprises a sulfur-carbon composite, wherein the separator is interposed between the positive electrode and the negative electrode; and wherein the sulfur-carbon composite has a sulfur/carbon weight ratio (S/C weight ratio) of 2.5 or less, and/ or wherein a content ratio (RSL) of sulfur (S) fulfills Equation 1. Furthermore, the present invention relates to a method for evaluating a specific capacity of the inventive lithium-sulfur battery.