COMPOSITE CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY, PREPARATION METHOD THEREOF, CATHODE LAYER FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY INCLUDING THE CATHODE LAYER

COMPOSITE CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY, PREPARATION METHOD THEREOF, CATHODE LAYER FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY INCLUDING THE CATHODE LAYER

A composite cathode active material for an all-solid-state battery including a sulfide solid electrolyte, a preparation method thereof, a cathode layer for an all-solid-state battery, and an all-solid-state battery including the cathode layer, the composite cathode active material including a second...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KIM, Youngsoo, HAN, Sangil, YUN, Pilsang, CHOI, Byungjin, HONG, Suk-Gi, YEON, Donghee
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A composite cathode active material for an all-solid-state battery including a sulfide solid electrolyte, a preparation method thereof, a cathode layer for an all-solid-state battery, and an all-solid-state battery including the cathode layer, the composite cathode active material including a secondary particle including a plurality of primary particles; and a buffer layer on a surface of the secondary particle, wherein the secondary particle includes a nickel lithium transition metal oxide represented by Formula 1 (LiaNi1-bMbO2), the buffer layer includes a first buffer layer adjacent to a surface of the secondary particle and including an oxide represented by Formula 2 (LixAyOz); and a second buffer layer including an oxide represented by Formula 3 (LixEyOz).