Plating copper onto other metals is popular ... As with any bare copper material, the electroplated layer will quickly oxidize if not protected.

Researchers at the University of New South Wales have used a 1 µm copper plating layer on the front silver grid of a TOPCon solar cell to create a protective barrier that reportedly reduces ...

Using a process known as mechanical plating or peen plating, he deposits a layer of copper on a PLA print. The results look good, as you can see in the video below. This isn’t electroplating ...