Patent ID: 11949060
Assignee: ENERGIZER BRANDS, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A button cell battery comprising:
a casing comprising:
an inner casing;
an outer casing that at least partially surrounds the inner casing, wherein together the outer casing and the inner casing define an internal volume;

a core disposed in the internal volume, the core comprising:
a first electrode;
a second electrode;
at least one separator layer disposed between the first electrode and the second electrode; and
a first tab having a first end and a second end, wherein the first end is attached to one of the first electrode and the second electrode and the second end is attached to one of the outer casing and the inner casing; and

a grommet disposed at least partially between the inner casing and the outer casing, the grommet comprising an opening disposed in a bottom wall of the grommet where the bottom wall of the grommet is solid other than the opening, wherein the opening is a rectangular slot positioned a distance from a central axis of the grommet, wherein the core is separated from one of the outer casing and the inner casing by the bottom wall of the grommet, and wherein the first tab extends through the opening;
wherein the grommet further includes a sidewall attached to and extending upwards relative to an outer periphery of the bottom wall of the grommet;
wherein the grommet bottom wall is disposed between a lower surface of the outer casing and a lower surface of the inner casing, and the grommet sidewall is disposed between an outer surface of a sidewall of the inner casing and an inner surface of a sidewall of the outer casing; and
wherein the grommet sidewall is arranged to seal the inner casing and the outer casing, the grommet sidewall is arranged to insulate the inner casing from the outer casing, and the grommet bottom wall is arranged to insulate the core from the outer casing.