ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ANODE FOR LITHIUM SECONDARY BATTERY, COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

• Main Authors: KIM, Jaemyung, LEE, Dae-Hyeok, KIM, Youngugk, NAH, Jaehou, LEE, Jungho, WON, Jongmin, SHIN, Changsu, KIM, Jongmin
• Format: Patent
• Language: English; French; Korean
• Published: 04.05.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided are an anode active material for a lithium secondary battery, an anode for a lithium secondary battery, comprising same, and a lithium secondary battery comprising same, and the anode active material for a lithium secondary battery comprises: an assembly of silicon-based materials, comprising silicon particles, lithium silicate positioned on the surface of the silicon particles, and a first amorphous carbon encompassing the silicon particles and the lithium silicate; and a second amorphous carbon positioned on the assembly. L'invention concerne un matériau actif d'anode pour une batterie secondaire au lithium, une anode pour une batterie secondaire au lithium, comprenant celui-ci, et une batterie secondaire au lithium le comprenant, et le matériau actif d'anode pour une batterie secondaire au lithium comprend : un ensemble de matériaux à base de silicium, comprenant des particules de silicium, du silicate de lithium positionné sur la surface des particules de silicium, et un premier carbone amorphe comprenant les particules de silicium et le silicate de lithium ; et un second carbone amorphe positionné sur l'ensemble. 리튬 이차 전지용 음극 활물질, 이를 포함하는 리튬 이차 전지용 음극, 및 이를 포함하는 리튬 이차 전지를 제공하며, 상기 리튬 이차 전지용 음극 활물질은 실리콘 입자, 상기 실리콘 입자 표면에 위치하는 리튬 실리케이트 및 상기 실리콘 입자와 상기 리튬 실리케이트를 둘러싸는 제1 비정질 탄소를 포함하는 실리콘계 물질들의 조립체, 및 상기 조립체 상에 위치하는 제2 비정질 탄소를 포함한다.