{"number":"US12697683B2","kindCode":"B2","documentType":"grant","title":{"original":"Welding device for button-type secondary battery","english":"Welding device for button-type secondary battery"},"abstract":{"original":"A welding device welds an electrode tab protruding from an electrode assembly of a button-type battery to a can of the button-type battery. The welding device includes a base to support a bottom surface of the can when an inner surface of the can faces an upper side, and the electrode tab is in contact with the inner surface of the can; a jig on the base to fix the electrode tab on the base and having an opening hole through which a laser light for welding the electrode tab to the can passes; a laser irradiation device to irradiate the laser light to the opening hole when the jig fixes the ele…","english":"A welding device welds an electrode tab protruding from an electrode assembly of a button-type battery to a can of the button-type battery. The welding device includes a base to support a bottom surface of the can when an inner surface of the can faces an upper side, and the electrode tab is in contact with the inner surface of the can; a jig on the base to fix the electrode tab on the base and having an opening hole through which a laser light for welding the electrode tab to the can passes; a laser irradiation device to irradiate the laser light to the opening hole when the jig fixes the ele…"},"applicants":["LG ENERGY SOLUTION, LTD."],"inventors":["Bu Won SON","Jin Yeong LEE","Jin Soo LEE","Jae Won LIM","Jeong Ho PARK"],"filingDate":"2023-03-31","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697683B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697683B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697683B2","ja":"https://downloadpatent.com/ja/patent/US12697683B2"}}