POSITIVE ELECTRODE FOR STACK-TYPE RECHARGEABLE LITHIUM BATTERIES AND STACK-TYPE RECHARGEABLE LITHIUM BATTERIES

POSITIVE ELECTRODE FOR STACK-TYPE RECHARGEABLE LITHIUM BATTERIES AND STACK-TYPE RECHARGEABLE LITHIUM BATTERIES

A positive electrode for a stack-type rechargeable lithium battery includes a current collector, a first positive electrode active material layer on one surface of the current collector, and a second positive electrode active material layer on the other surface of the current collector, wherein a lo...

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Bibliographische Detailangaben
Hauptverfasser: KANG, Minkyeong, OH, Yuntaek, KWAK, Taehee, SON, Jungwoo, OH, Eunok, KWON, Seonyoung
Format: Patent
Sprache:eng
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:A positive electrode for a stack-type rechargeable lithium battery includes a current collector, a first positive electrode active material layer on one surface of the current collector, and a second positive electrode active material layer on the other surface of the current collector, wherein a loading level of the first positive electrode active material layer is about 5% or more higher than a loading level of the second positive electrode active material layer, each of the first positive electrode active material layer and the second positive electrode active material layer includes a first positive electrode active material in the form of secondary particles and a second positive electrode active material in the form of single particles, an average particle diameter of secondary particles of the first positive electrode active material is larger than an average particle diameter of single particles of the second positive electrode active material.