Bus bar and method for producing a bus bar

摘要

A bus bar comprises a first surface and a second surface. The bus bar comprises a metal. The bus bar further comprises a first welding bump at a first position of the bus bar and a second welding bump at a second position of the bus bar. The first welding bump protrudes above the first surface and the second welding bump protrudes above the second surface. The first position and the second position are directly adjacent to each other.