LITHIUM SECONDARY BATTERY

The present invention relates to: a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and the anode, and an electrolyte, wherein the cathode comprises a lithium iron phosphate-based compound represented by [chemical formula 1], and the lithium iron...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Sang Hyun, HAN, Geum Jae, KANG, Joon Hyeon, NA, Sang Mun, WON, Jung Hye, KWON, O Jong
Format:	Patent
Sprache:	eng ; fre ; 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:	The present invention relates to: a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and the anode, and an electrolyte, wherein the cathode comprises a lithium iron phosphate-based compound represented by [chemical formula 1], and the lithium iron phosphate-based compound has a L-value of 0.3926 to 0.3929 as defined by formula (1); and a method for manufacturing the lithium secondary battery. La présente invention concerne : une batterie secondaire au lithium comprenant une cathode, une anode, un séparateur interposé entre la cathode et l'anode, et un électrolyte, la cathode comprenant un composé à base de phosphate au fer et au lithium représenté par [formule chimique 1], et le composé à base de phosphate au fer et au lithium présentant une valeur L de 0,3926 à 0,3929 telle que définie par la formule (1) ; et un procédé de fabrication de la batterie secondaire au lithium. 본 발명은, 양극, 음극, 상기 양극 및 음극 사이에 개재되는 분리막, 및 전해질을 포함하고, 상기 양극이 [화학식 1]로 표시되는 리튬 인산철계 화합물을 포함하고, 상기 리튬 인산철계 화합물은 식(1)로 정의되는 L값이 0.3926 ~ 0.3929인 리튬 이차 전지 및 그 제조 방법에 관한 것이다.