POSITIVE ELECTRODE LAYER FOR ALL-SOLID SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND ALL-SOLID SECONDARY BATTERY INCLUDING THE SAME

• Main Authors: Min, Myoungki, Suh, Kwangjong
• Format: Patent
• Language: English; Hungarian
• Published: 28.02.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention refers to a positive electrode layer for an all-solid secondary battery, a method of preparing the same, and an all-solid secondary battery including the same. The positive electrode layer includes a positive electrode current collector and a positive active material layer on the positive electrode current collector, and the positive active material layer includes a positive active material, a binder, a conducting agent, a sulfide solid electrolyte, and a dispersion medium, the dispersion medium includes a compound represented by Formula 1 and a compound represented by Formula 2,         Formula 1     R1-C(=O)O-R2in Formula 1, R1 is a C1-C2 alkyl group and R2 is a C7-C9 alkyl group,         Formula 2     R2'-OHin Formula 2, R2' is a C7-C9 alkyl group.