CATHODE FOR SOLID ELECTROLYTE BATTERY AND SOLID ELECTROLYTE BATTERY COMPRISING SAME

• Main Authors: LEE JAE-HYUN, KIM EUN-BEE, LEE SUK-WOO, LEE JUNG-PIL, RYU JI-HOON, KANG SUNG-JOONG, KIM HYO-SIK
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2020
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to a cathode for a solid electrolyte battery and a solid electrolyte battery comprising the cathode, the cathode comprising: a cathode current collector; a first cathodeactive material layer formed on at least one surface of the cathode current collector and containing a first cathode active material, a first solid electrolyte, and a first electrolyte salt; and a second cathode active material layer formed on the first cathode active material layer and containing a second cathode active material, a second solid electrolyte, a second electrolyte salt, and a plasticizer, wherein the plasticizer has a melting point of 30-130 DEG C. 本发明涉及固体电解质电池用正极，所述正极包括：正极集电体；形成于所述正极集电体的至少一个表面上并包含第一正极活性材料、第一固体电解质和第一电解质盐的第一正极活性材料层；以及形成于第一正极活性材料层上并包含第二正极活性材料、第二固体电解质、第二电解质盐和增塑剂的第二正极活性材料层，其中，所述增塑剂的熔点为30℃至130℃。本发明也涉及包含所述正极的固体电解质电池。