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Amada Miyachi Blog

Drive EV Battery Efficiency with Laser Welding

Posted by Mark Boyle on Fri, Dec 20, 2019 @ 02:17 PM

Enhanced performance of EV batteries is a major factor in the steady increase in electric vehicle sales. And better performance stems, in part, from recent developments in laser welding of dissimilar metals which increases efficiency by increasing energy storage, reducing size, and preserving reliability. It’s a fact that welding a less resistive metal to the standard stainless-steel terminal of a lithium ion battery can reduce resistance and improve battery efficiency. Traditional resistance spot welding, however, can’t effectively join highly-conductive dissimilar metals like copper and aluminum because the resultant intermetallic mix is brittle. But lasers CAN do the job with surprising results!

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Topics: fiber laser welding, laser welding, battery welding, dissimilar metal, EV

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