United States
US 12,697,683 B2
Welding device for button-type secondary battery
US 12,697,683 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: LG ENERGY SOLUTION, LTD. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- LG ENERGY SOLUTION, LTD.
- Inventors
- Bu Won SON; Jin Yeong LEE; Jin Soo LEE; Jae Won LIM; Jeong Ho PARK
- Publication date
- 2026-08-04
- Filing date
- 2023-03-31
- Document type
- B2 Granted patent
- Also written as
- US 12,697,683 B2 · US12697683 · 12697683
Abstract
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…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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