ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

• Main Authors: RYU, Sang Baek, JANG, Hwan Ho, KIM, Moon Sung, KIM, Hyo Mi, YOOK, Seung Hyun, CHUNG, Ju Ho, YANG, Young Mo, PARK, Da Hye, CHUNG, Da Bin, BANG, Sang In, HAN, Jun Hee
• Format: Patent
• Language: English
• Published: 13.06.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

An anode active material for a secondary battery according to an embodiment of the disclosed technology includes an anode current collector, a first anode active material layer on at least one surface of the anode current collector and including a graphite-based active material and a silicon-based active material doped with a metal element, and a second anode active material layer on the first anode active material layer and including a porous structure. The porous structure includes a carbon-based particle having pores and a silicon-containing coating formed inside the pores or on a surface of the carbon-based particle.