All Solid secondary battery and Method for preparing the same

Disclosed are: an all-solid-state secondary battery which comprises a solid electrolyte layer disposed between a negative electrode layer and a positive electrode layer, wherein the solid electrolyte layer comprises a first solid electrolyte layer disposed adjacent to the negative electrode, contain...

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Bibliographic Details
Main Authors SUGIMOTO TOSHINORI, KU, JUN HWAN
Format Patent
LanguageEnglish
Korean
Published 10.08.2021
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Summary:Disclosed are: an all-solid-state secondary battery which comprises a solid electrolyte layer disposed between a negative electrode layer and a positive electrode layer, wherein the solid electrolyte layer comprises a first solid electrolyte layer disposed adjacent to the negative electrode, containing a first solid electrolyte, and a second solid electrolyte layer disposed adjacent to the positive electrode and containing a second solid electrolyte, the first solid electrolyte has higher lithium ion conductivity than a second solid electrolyte, and the lithium ion conductivity difference is 2 mS/cm or more; and a method for manufacturing the same. 음극층과 양극층 사이에 배치된 고체 전해질층을 포함하며, 상기 고체 전해질층은 음극에 인접되게 배치되며, 제1고체 전해질을 함유하는 제1고체 전해질층과, 상기 양극에 인접되게 배치되며, 제2고체 전해질을 함유하는 제2 고체전해질층을 함유하며, 상기 제1고체 전해질은 상기 제2고체 전해질에 비하여 높은 리튬 이온 전도도를 갖고 리튬 이온 전도도 차이는 2mS/cm 이상인 전고체 이차전지 및 그 제조방법이 개시된다.
Bibliography:Application Number: KR20200012188