Cell lamination structure for improving tearing of tab ceramic coating positive plate

• Main Author: SU PENGBO
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention is suitable for the related technical field of soft package batteries, and provides a battery core lamination structure for improving tearing of a tab ceramic coating positive plate, the battery core lamination structure comprises a positive plate, a negative plate and current collectors of the positive plate and the negative plate, the current collectors are coated with active substances, and the areas, coated with the active substances, of the current collectors form material areas. A negative electrode material area and a positive electrode material area are respectively arranged on the corresponding negative electrode piece and the positive electrode piece which is separated from the negative electrode piece through the diaphragm, the positive electrode material area extends to the outside from a notch of the negative electrode material area and is connected with the foil material, an R angle is formed at the corner position of the negative electrode material area, a ceramic layer is arrange