Lg Energy Solution, Ltd.

Ulsan National Institute of Science and Technology

Lg Chem, Ltd

Unist, Inc.

Youngjun Lim

Seok Koo Kim

Ji Won Min

Janis Doelle

Youngsik Kim

Seongwoo Heo

Provided is a positive electrode for a lithium secondary battery, the positive electrode including a positive electrode mixture layer on a positive electrode current collector, wherein the positive electrode mixture layer includes a positive electrode active material and a lithium ion additive, the lithium ion additive is a lithium ion conductive ceramic material represented by Formula 1 below, and the lithium ion conductive ceramic material has a structure in which lithium ions are additionally inserted into vacancy sites of a NASICON-type (Na super ionic conductors-type) structure.LiMM(PO)&#x2003;&#x2003;[Formula 1] In Formula 1, Mis at least one of Ti and Ge, Mis one or more selected from the group consisting Al, Cr, Ga, Fe, Sn, In, Lu, Y, and La, and 0&#x3c;x1&#x2264;0.3, and 1.7&#x2264;y1&#x2264;2.0.

Positive electrode for lithium secondary battery, preparation method thereof, and lithium secondary battery including same

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Ulsan, South Korea

Youngjun Lim