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Welding Techniques For Battery Cells And Resulting Electrical Contact Resistance. Each of these welding techniques has its own characteristics depending on the material properties and contact geometry. The weld nugget size is usually defined by the electrode tip contact.
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Resistance spot ultrasonic or laser beam welding are mostly used for connecting battery cells in the production of large battery assemblies. A higher electrode force will reduce contact resistance which in turn will reduce heat at the contact points electrode-to-part and part-to-part interfaces. The weld nugget size is usually defined by the electrode tip contact.
Each of these welding techniques has its own characteristics depending on the material properties and contact geometry.
Finally the suistriple welding parameter setting ranges were obtained as. The weld quality of the joint is an important factor in determining the performance and safety of the battery. In resistance welding contact resistance is a function of the extent to which two surfaces come in contact. Contact resistance is an important factor in the first few milliseconds of a weldCombined with bulk resistance the contact resistance value of the workpieces electrodes and their interfaces both cause and affect the amount of heat generated.
