SULFIDE-BASED SOLID ELECTROLYTE FOR A SECONDARY BATTERIES AND PREPARATION METHOD THEREOF

SULFIDE-BASED SOLID ELECTROLYTE FOR A SECONDARY BATTERIES AND PREPARATION METHOD THEREOF

The present invention relates to a sulfide-based solid electrolyte for an all-solid-state lithium secondary battery and a method for manufacturing the sulfide-based solid electrolyte. More specifically, the present invention relates to a sulfide-based solid electrolyte atomized to improve energy den...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOON DUCK KI, JUNG MYUNG GEUN, BAEK JEONG HYUN, KIM, TAI HEUNG, LIM HYUNG SIK
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:The present invention relates to a sulfide-based solid electrolyte for an all-solid-state lithium secondary battery and a method for manufacturing the sulfide-based solid electrolyte. More specifically, the present invention relates to a sulfide-based solid electrolyte atomized to improve energy density. The method for manufacturing a sulfide-based solid electrolyte includes the steps of: wet grinding in a non-aqueous solvent and a urethane-based dispersant; drying the wet-ground sulfide-based solid electrolyte; and ultrasonic resonance pulverizing the dried sulfide-based solid electrolyte. 본 발명은 전고체 리튬 이차전지용 황화물계 고체전해질 및 상기 황화물계 고체전해질 제조방법에 관한 것이다. 보다 구체적으로 본 발명은 에너지밀도 향상을 위해 미립화된 황화물계 고체전해질에 관한 것이다.