Joining of Rectangular-shaped Lithium-ion Battery

Joining Method: Laser Joining, Resistance Welding

Features

Features

(1)Resistance Welding of Foil and Electrode

  • Positive electrode: Al foil and Al electrode tab are resistance welded.
  • Negative electrode: Cu electrode tab is resistance welded to the Cu foil.
  • Applicable machine models: Inverter Type Welding Power Supply　NRW-IN400P

(2) Laser Welding of Cap and Electrode

  • Positive electrode: Al electrode tab is laser welded to Al cap.
  • Negative electrode: Cu electrode tab is laser welded to Al cap.
  • Applicable machine models: YAG Laser Welder LW-Y20, LW-Y50

(3) Laser Welding of Entire Circumference of Cap and Case

  • Entire circumference of Al cap and Al case is laser welded (sealed).
  • Applicable machine models: Fiber Laser Welder LW-F1000

(4) Resistance Welding of Laminated Foil

  • Cu and Al foil are laminated and resistance welded.
    The photo is an example of 40 layers of Cu foil.
  • Applicable machine models: Inverter Type Welding Power Supply NRW-IN8400

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Related Video

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Applicable Machine Models

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Sample Test

We will be pleased to test your sample with our proposed joining method, and return it with a report.

Click the "Contact Us" button on the right.
(for dealer information, sample test or technical consultation)

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