All Solid secondary battery

There is proposed an all-solid secondary battery with improved cycle characteristics includes: a cathode layer; an anode layer; a first solid electrolyte layer adjacent to the cathode layer; and a second solid electrolyte layer adjacent to the anode layer, wherein the cathode layer includes a cathod...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE MIN SUK, YOON JAE GU, RYU YOUNG GYOON, KIM HONG JEONG, SUH KWANG JONG
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:There is proposed an all-solid secondary battery with improved cycle characteristics includes: a cathode layer; an anode layer; a first solid electrolyte layer adjacent to the cathode layer; and a second solid electrolyte layer adjacent to the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on the cathode current collector, the anode layer includes an anode current collector and a first anode active material layer or a third anode active material layer on the anode current collector, a composite solid electrolyte and an insulating member are located between the first solid electrolyte layer and the second solid electrolyte layer, the composite solid electrolyte is on a central portion of the second solid electrolyte layer and includes an ion conductor and a lithium salt, and the insulating member is on peripheral portions of the second solid electrolyte layer and is around outer surfaces of the composite solid electrolyte. 양극층; 음극층; 상기 양극층에 인접되게 배치된 제1고체 전해질층; 상기 음극층에 인접되게 배치된 제2고체 전해질층을 포함하며, 상기 양극층이 양극집전체 및 상기 양극집전체 상에 배치된 양극활물질층을 포함하며, 상기 음극층이 음극집전체 및 상기 음극집전체 상에 배치된 제1 음극활물질층 또는 제3 음극 활물질층을 포함하며, 상기 제1고체 전해질층과 제2고체 전해질층 사이에 배치되며, 상기 제2고체 전해질층의 중심부에 배치된 이온 전도체 및 리튬염을 포함하는 복합 고체 전해질 및 상기 복합 고체 전해질의 측면을 둘러싸며 상기 제2고체 전해질층의 주변부에 배치되며, 복합 고체 전해질의 외면을 둘러싸는 절연성 부재를 포함하는 전고체 이차전지가 제시된다.