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The EMPT in the battery production

Electromobility and battery technology are placing demands on the materials used, some of which can only be solved with multi-material construction. High-strength joints of thermally sensitive aluminium alloys and copper-aluminium compounds often present great challenges for conventional techniques.
The EMPT, on the other hand, enables intelligent and cost attractive solutions in the following areas of application:

  • Battery boxes
  • Bus bars
  • Packing bracing/tensioning straps for pouch cells
  • Cell housing for prismatic accumulators

PSTproducts GmbH provides Electromagnetic Pulse Technology (EMPT) systems since 2003 and is recognized and the market leader for industrial EMPT solutions and manufacturing cells and its automatization. Focused on automotive. E-mobility and lightweight sectors we offer specific joining solutions especially in welding dissimilar material combinations.

EMPT fundamentals:
According to the physical law of Lorentz force, a varying magnetic field which is applied in the joint region interacts with the induced counter flowing eddy currents in the electric conductive workpiece. So the material gets accelerated by electromagnetics forces during a less than 50s and can be used for welding, crimping, forming, cutting and compressing of technical products with highest demands.

For EMPT welding materials like aluminum and copper are preferred due to their high electric conductivity.

Further reading

Exhibitor: PSTproducts GmbH


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