ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE À ÉLECTRLYTE SOLIDE, SON PROCÉDÉ DE PRÉPARATION, ENSEMBLE ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE À ÉLECTRLYTE SOLIDE L COMPRENANT ET BATTERIE SECONDAIRE À ÉLECTRLYTE SOLIDE LE COMPRENANT

摘要

Provided are a positive electrode for a solid-state secondary battery, a method of preparing the positive electrode, a positive electrode assembly including the positive electrode, and a solid-state secondary battery including the positive electrode, wherein the positive electrode includes a positive active material and a first solid electrolyte, wherein a ratio λ of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte satisfies Equation 1, wherein an average particle diameter of the positive active material is in a range of about 1 µm to about 30 µm, and an average particle diameter of the first solid electrolyte is in a range of about 0.1 µm to about 4 µm: