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How Spot Welding Is Used in Battery Production

Spot welding sits at the heart of lithium battery production because it creates clean, strong connections between cells and the metal tabs or busbars that carry current. Unlike soldering or mechanical fasteners, spot welding uses quick bursts of electricity to fuse metals right at the contact point, so you avoid spreading extra heat across the whole cell.

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Why Spot Welding Strength Matters for Batteries

Spot welding joins metal parts quickly by passing a high current through electrodes that press on the materials. In battery making, it connects nickel strips or tabs to cell terminals without adding extra filler metal.

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