Welding (IMAGE) Fraunhofer-Gesellschaft Caption The welding of aluminum and copper battery lugs with a disk laser for the production of battery systems used in electric vehicles. Credit Fraunhofer ILT Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.