Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Positive electrode material, positive electrode, and lithium secondary battery which include spinel-structured lithium manganese-based positive electrode active material
The present disclosure relates to a positive electrode material including a spinel-structured lithium manganese-based first positive electrode active material and a lithium nickel-manganese-cobalt-based second positive electrode active material, wherein the first positive electrode active material includes a lithium manganese oxide represented by Formula 1 and a coating layer which is disposed on a surface of the lithium manganese oxide, the second positive electrode active material is represented by Formula 2, and an average particle diameter of the second positive electrode active material is greater than an average particle diameter of the first positive electrode active material, and a positive electrode and a lithium secondary battery which include the positive electrode material: Li1+aMn2−bM1bO4−cAc  [Formula 1]Li1+x[NiyCozMnwM2v]O2−pBp  [Formula 2]
LG Energy Solution, Ltd.
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Y02E H01M C01G H01M H01M H01M H01M H01M H01M H01M H01M H01M C01G C01P C01P H01M C01P H01M
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Wang Mo Wen Xiu So Ra Eun Sol Min Suk Sang Wook
Jung Wang Baek Lho Kang Lee