All-solid-state secondary battery

• Main Authors: JO SUNG NIM, PARK TAE-HYUN, SON IN-HYUK, JINHWAN PARK, LEE JI-EUN, PARK KYU-SUNG, SHIM KYU-EUN
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

There is provided an all-solid-state secondary battery including a positive electrode layer including a positive electrode current collector and a positive electrode active material layer disposed on one surface or both surfaces of the positive electrode current collector, a negative electrode layer including a negative electrode active material layer disposed on one surface or both surfaces of the positive electrode current collector, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, the positive electrode active material layer includes a lithium-containing sulfide-based positive electrode active material, the lithium-containing sulfide-based positive electrode active material includes Li2S, a Li2S-containing composite, or a combination thereof, and the all-solid-state secondary battery includes a first inactive member disposed on one surface of the positive electrode layer, the negative electrode layer includes a negative electrode current collecto