ALL-SOLID SECONDARY BATTERY

To provide an all-solid secondary battery.SOLUTION: The present invention provides an all-solid secondary battery, containing: a positive layer; a negative layer; a first solid electrolyte layer adjacently arranged in the positive layer; and a second solid electrolyte layer adjacently arranged in the negative layer. The positive layer contains: a positive electrode collector; and a positive electrode active layer arranged on the positive electrode collector. The negative electrode layer contains: a negative electrode collector; and a first negative electrode active layer or a third negative electrode active layer arranged on the negative electrode collector. The all-solid secondary battery contains: a composite solid electrolyte that is arranged between the first solid electrolyte layer and the second solid electrolyte layer, and contains an ion conductor and a lithium salt, arranged at a center part of the second solid electrolyte layer; and an insulation member that surrounds a side surface of the composite solid electrolyte, is arranged at a circumference part of the second solid electrolyte layer, and surrounds an outer surface of the composite solid electrolyte.SELECTED DRAWING: Figure 1 【課題】全固体二次電池を提供する。【解決手段】正極層；負極層；正極層に隣接して配置された第１固体電解質層；負極層に隣接して配置された第２固体電解質層；を含み、正極層が正極集電体、及び正極集電体上に配置された正極活物質層を含み、負極層が負極集電体、及び負極集電体上に配置された第１負極活物質層または第３負極活物質層を含み、第１固体電解質層と第２固体電解質層との間に配置され、第２固体電解質層の中心部に配置されたイオン伝導体及びリチウム塩を含む複合固体電解質、及び複合固体電解質の側面を取り囲み、第２固体電解質層の周辺部に配置され、複合固体電解質の外面を取り囲む絶縁性部材を含む、全固体二次電池が提示される。【選択図】図１