Method for manufacturing cathode for lithium secondary battery, cathode manufactured using same, and lithium secondary battery including same

• Main Authors: KIM MIN-HYUN, CHO YUNOL, CHO JEONG-GEUN, KWON O-JUNG, KIM KI-WOONG, AN IN-GU
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention provides a method for manufacturing a positive electrode for a lithium secondary battery, comprising: a step of preparing a positive electrode in which a positive electrode active material layer containing lithium iron phosphate is formed on a current collector; and a step of adsorbing an organic solvent into the positive electrode active material layer, the organic solvent including one or more selected from the group consisting of N-methyl-2-pyrrolidone (NMP), acetone, ethanol, propylene carbonate, ethyl methyl carbonate, ethylene carbonate, and dimethyl carbonate. 本发明提供一种用于锂二次电池的正极的制造方法，包括：制备在其中含有磷酸铁锂的正极活性材料层形成在集电器上的正极的步骤；和将有机溶剂吸附至所述正极活性材料层中的步骤，所述有机溶剂包括选自由N-甲基-2-吡咯烷酮(NMP)、丙酮、乙醇、碳酸丙烯酯、碳酸甲乙酯、碳酸乙烯酯、和碳酸二甲酯构成的群组中的一者或多者。