Sulfide solid-state cell
Abstract:
A rechargeable sulfide solid-state cell. The sulfide solid-state cell may include: a cathode active material layer containing at least one kind of cathode active material selected from LiCoPO4 and LiFePO4; an anode active material layer; a sulfide-based solid electrolyte layer containing a sulfide-based solid electrolyte and being disposed between the cathode active material layer and the anode active material layer; and a blocking layer containing at least one kind of phosphoric acid compound with a NASICON structure, covering at least a part of the surface of the cathode active material and/or the surface of the sulfide-based solid electrolyte, being disposed between the cathode active material layer and the sulfide-based solid electrolyte layer, and being configured to prevent the cathode active material layer from contact with the sulfide-based solid electrolyte layer, the phosphoric acid compound being selected from LATP and LAGP.
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