Sk on Co., Ltd.

Sk Innovation Co., Ltd.

Byoung Beom Lim

Yong Hyun Cho

Sang Wook Lee

Sang Han Lee

Young Hoon Do

Jeong Hoon Jeun

A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.

Positive electrode active material, manufacturing method thereof, and positive electrode for lithium secondary battery comprising the same

A cathode for a lithium secondary battery according to an embodiment of the present invention includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include first lithium metal oxide particles having a shape of a secondary particle in which a plurality of primary particles are aggregated, and second lithium metal oxide particles having a shape of a single particle. A closed pore ratio of the cathode active material layer is 5% or less.

Cathode for lithium secondary battery, lithium secondary battery including the same and method of fabricating lithium secondary battery

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Daejeon, South Korea

Byoung Beom Lim