A lithium-ion battery cell includes an enclosure that includes a casing and a lid. The enclosure has an electrolyte fill hole disposed on a surface of the casing opposite the lid. An electrochemical cell is disposed within the enclosure. Additionally, a sealing patch is laser welded to the surface of the casing around the electrolyte fill hole, wherein the sealing patch is configured to seal the electrolyte fill hole.
SEALING PATCH FOR ELECTROLYTE FILL HOLE
VERSIEGELUNGSPATCH FÜR ELEKTROLYTFÜLLLOCH
PIÈCE D'ÉTANCHÉITÉ POUR TROU DE REMPLISSAGE D'ÉLECTROLYTE
2021-09-15
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 |