ELECTRODE FOR LITHIUM SECONDARY BATTERY HAVING SPECIFIC COMPOSITION CONDITION AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

• Main Authors: BAEK, Jooyul, NOH, Taegyun, CHOI, Heewon, JO, Mi Ru, PARK, Chan Ki
• Format: Patent
• Language: English
• Published: 14.07.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present disclosure relates to an electrode for a lithium secondary battery and a lithium secondary battery including the same, the electrode including: a current collector; and an electrode material layer containing an active material and a binder that is formed on at least one surface of the current collector, wherein, when the electrode material layer is divided in half based on the thickness, the upper layer located away from the current collector and corresponding to the thickness of ½ is referred to as an electrode material layer A, and the lower layer located close to the current collector and corresponding to the thickness of ½ is referred to as an electrode material layer B, each of the electrode material layer A and the electrode material layer B contains one or more active material layers, and satisfies all of the conditions (1) to (3) described in claims.