A battery end cover assembly includes an end cover, a pole disposed at the end cover, and a sealing nail fixedly connected to the pole. The pole has a first through hole. The sealing nail includes a hollow structure in communication with the first through hole and an air-permeable film covering the hollow structure.
BATTERY END COVER ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
2025-01-30
Patent
Electronic Resource
English
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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