Heavier EVs are not only a battery-chemistry story. The conductors inside the pack add mass too.
RHI points to copper-aluminum transition busbars as one way to reduce weight in the connection while keeping the electrical joint. The catalog includes ultrasonic-welded Cu-Al flexible busbars, copper-clad aluminum bars, and bimetallic busbars for that transition.
Published on the RHI news station, 17 July 2026.