Liquid injection and formation sealing structure and battery

• Main Authors: TANG YAOHUI, ZHANG ZHONGTAO, LI JIANJU
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to the technical field of batteries, in particular to a liquid injection and formation sealing structure and a battery, the liquid injection and formation sealing structure comprises a battery cover plate, and a liquid injection hole for injecting electrolyte is formed in the battery cover plate; the sealing plug is arranged in the liquid injection hole in a penetrating mode, and the sealing plug is used for blocking the liquid injection hole to achieve sealing; and the fixing piece is arranged in the liquid injection hole, is positioned above the sealing plug, and is welded with the battery cover plate. According to the utility model, the sealing performance of the liquid injection hole can be ensured, so that the leakage of electrolyte is effectively prevented, and the performance of the battery is ensured. 本实用新型涉及电池技术领域，尤其涉及一种注液及化成密封结构和电池，注液及化成密封结构包括电池盖板，所述电池盖板上开设有用于加注电解液的注液孔；密封塞，所述密封塞穿设在所述注液孔中，所述密封塞用于封堵所述注液孔以实现密封；固定件，所述固定件设置在所述注液孔中，且位于所述密封塞的上方，所述固定件与所述电池盖板焊接。本实用新型能够保证对注液孔的密封性，从而有