"Metal electrodes" refers to small pieces of metal, usually in the form of wires or plates, that are used to conduct electricity in devices or experiments. Full definition
A leading contender is the lithium - metal battery, which differs from lithium ion technology in that it contains lithium metal electrodes. (sciencedaily.com)
The wires are connected to one another and to an external electrical circuit by metal electrodes. (treehugger.com)
It consists of a pair of thin, flat, metal electrodes with a tiny gap sandwiched in between. (sciencemag.org)