CPC H01M 10/0562 (2013.01) [H01M 4/483 (2013.01); H01M 10/446 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0068 (2013.01)] | 8 Claims |
1. A solid-state battery comprising:
a cathode comprising a cathode layer that contains an oxide-based cathode active material, an anode comprising an anode layer that contains an anode active material, and a solid electrolyte layer being disposed between the cathode layer and the anode layer and containing a solid electrolyte,
wherein at least any one of the cathode layer and the solid electrolyte layer contains a sulfide-based solid electrolyte, and
wherein, when TEM-EDX analysis is performed, the sulfide-based solid electrolyte comprises a high oxygen concentration layer on a contact surface with the oxide-based cathode active material, the high oxygen concentration layer having a higher oxygen element concentration than other parts except the contact surface.
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