Positive electrode active material and lithium secondary battery comprising same

• Main Authors: LEE SANG-HYUK, SONG JUNG-HOON, CHOI KWON-YOUNG, NAM SANG CHEOL, KWON OH-MIN, PARK INUL
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present embodiment relates to a positive electrode active material and a lithium secondary battery comprising the same. According to one embodiment, provided is a lithium secondary battery positive electrode active material comprising: metal oxide particles comprising nickel, cobalt, manganese, and aluminum; and two doping elements which are doped into the metal oxide particles. 本实施例涉及一种正极活性材料及包含该正极活性材料的锂二次电池。根据一个实施例提供一种锂二次电池正极活性材料，其包含：金属氧化物颗粒，其包含镍、钴、锰和铝；以及两种掺杂元素，其掺杂到所述金属氧化物颗粒中。