Method and device for correcting positions of tabs of electrode assembly

A device for correcting positions of tabs of an electrode assembly, wherein the electrode assembly comprises a plurality of first electrode plates and a second electrode plate, an upper surface and a lower surface of the second electrode plate are alternately provided with a plurality of indentations, a second electrode plate area is between every two adjacent indentations of the plurality of indentations, the second electrode plate is configured to be bent at the indentations, such that a plurality of the second electrode plate areas and the plurality of the first electrode plates are alternately stacked in a first direction, the upper surface and the lower surface of the second electrode plate having are respectively covered with a first separator and a second separator, the plurality of first electrode plates are sequentially arranged on an upper surface of the first separator and a lower surface of the second separator according to the positions of the indentations of the second electrode plate, such that each of the plurality of the second electrode plate areas is correspondingly provided with one of the first electrode plates, the plurality of the second electrode plate areas and the plurality of first electrode plates are alternately stacked in the first direction, and the first separator and the second separator are configured to isolate each anode electrode plate area from the corresponding first electrode plate, and the device comprises:

• a processing unit and an electrode plate cutting unit, wherein,
• the processing unit is configured to:
• determine whether there are a plurality of consecutive tabs misaligned with each other in a first electrode plate assembly, the first electrode plate assembly having a plurality of tabs;
• and
• adjust, if there are a plurality of consecutive tabs misaligned with each other, a position where the first electrode plate assembly is cut by the electrode plate cutting unit to adjust a width of at least one of the plurality of first electrode plates obtained after cutting the first electrode plate assembly, such that each one of the plurality of first electrode plates obtained after cutting the first electrode plate assembly according to the adjusted cutting position has one of the plurality of tabs, the tabs of the first electrode plates are aligned with each other,
• wherein the first electrode plates are anode electrode plates and the second electrode plate is a continuous cathode electrode plate, or the first electrode plates are cathode electrode plates and the second electrode plate is a continuous anode electrode plate.