Composite positive electrode active material for lithium secondary battery and lithium secondary battery comprising electrode including the composite positive electrode active material

• Main Authors: You, Yongchan, Kim, Changwook, Kim, Jihyun, Je, Hyunjoo
• Format: Patent
• Language: English
• Published: 19.01.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A composite positive electrode active material for a lithium secondary battery including a compound represented by Formula 1 below and a compound represented by Formula 2 below, and a lithium secondary battery employing a positive electrode that includes the composite positive electrode active material: Formula 1 LiaNixCoyMnzM1-x-y-zO2 wherein, in Formula 1, ranges of M, a, x, and y are as defined in the detailed description above, and Formula 2 M1z[M2(CN)6]x·nH2O wherein, in Formula 2, M1, M2, z, x, and n are as defined in the detailed description above.