Patent ID: 11955600
Assignee: MAXELL, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A solid-state battery comprising:
an exterior can having a can bottom and a cylindrical side wall;
a seal can having a flat portion and a peripheral wall and facing the exterior can; and
a power generation element contained between the exterior can and the seal can and including a cathode material layer, an anode material layer, and a solid electrolyte layer located between the cathode material layer and the anode material layer,
wherein the flat portion and the peripheral wall are contiguous to each other with a curved-surface portion provided therebetween,
a first clearance is defined between an upper edge of an outer peripheral surface of the power generation element, on one hand, and a first border between an inner surface of the flat portion and an inner surface of the curved-surface portion, on the other hand, the first clearance being annular in shape in plan view, and
the first clearance has a radial dimension not larger than 2.0 mm at a position where the first clearance is at its largest.