US 12,770,989 B2 · Cylindrical battery

Abstract

The disclosure relates to the technical field of batteries, and a cylindrical battery is provided, including: a single cell housing structure; a core, which is arranged in the single cell housing structure, and the core includes a core body, a first tab and a second tab, and the first tab and the second tab arranged at intervals extend out from the same end of the core body, and the core body is formed with a winding center; the first tab and the second tab are arranged along the circumferential direction of the winding center, and the length of the first tab is greater than the length of the second tab along the radial direction of the winding center. A certain distance may be set between the first tab and the second tab on basis that the first tab and the second tab are able to have sufficient current-passing capability.

Claims13

Dependent claims

A cylindrical battery, comprising:

a single cell housing structure;
a core, which is arranged in the single cell housing structure, and comprises a core body, a first tab and a second tab, wherein the first tab and the second tab arranged at intervals extend out from a same end of the core body, and the core body is formed with a winding center;
wherein the first tab and the second tab are disposed along a circumferential direction of the winding center, and a length of the first tab is greater than a length of the second tab along a radial direction of the winding center,
wherein along the radial direction of the winding center, the first tab comprises a plurality of first single-piece tabs, the second tab comprises a plurality of second single-piece tabs, and the number of the first single-piece tabs is greater than the number of the second single-piece tabs.

1 more element

Dependencies are inferred from the claim text.

Cylindrical battery

Life of this patent

Cylindrical battery

Life of this patent

Abstract

Claims13