Negative electrode tab structure of high-performance battery

The utility model discloses a high-performance battery cathode tab structure which comprises a battery body, a cathode tab and an anode tab are arranged at the top of the battery body, the cathode tab comprises a copper core body, a hollow cavity is arranged inside the copper core body, an inner silver layer is arranged outside the copper core body, a nickel layer is arranged on the outer wall of the inner silver layer, and a silver plating layer is arranged outside the nickel layer. The bottom ends of the negative electrode lug and the positive electrode lug extend into the battery body, and baffle lugs are integrally formed on the outer walls of one sides of the negative electrode lug and the positive electrode lug. According to the utility model, through the arrangement of the silver plating layer, the nickel layer and the inner silver layer, the negative tab of the battery body has good conductivity by utilizing the silver plating layer and the inner silver layer, and the negative tab has good corrosion r