Patent ID: 11967698
Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A rolling apparatus, wherein the rolling apparatus is configured to roll an electrode plate, the electrode plate has two sides and comprises a plurality of insulation coating layer regions and a plurality of tabs alternatingly arranged along a width direction of the electrode plate, and the rolling apparatus comprising:
a first roller disposed on one of the two sides of the electrode plate, and said first roller having a plurality of first protrusions and a plurality of recessed portions alternatingly arranged along an axial direction of the first roller, wherein the plurality of first protrusions respectively correspond to the plurality of insulation coating layer regions of the electrode plate, and the plurality of recessed portions respectively correspond to the plurality of tabs of the electrode plate; and
a second roller disposed on the other one of the two sides of the electrode plate, and said second roller having a plurality of second protrusions respectively corresponding to the plurality of tabs of the electrode plate and the plurality of recessed portions of the first roller;
wherein in a thickness direction of the electrode plate, at least a part of a projection of the insulation coating layer region and a projection of the tab adjacent to the insulation coating layer region are located within a projection of the corresponding recessed portion; and
wherein in the thickness direction of the electrode plate further includes at least a part of the second protruding portion of the second roller is able to extend into the corresponding recessed portion of the first roller.