Electrode - Wikipedia
网页An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials (chemicals) depending on …
What is Electrodes? - Types, Examples and Uses of Electrodes
网页Electrodes can be defined as conductors that are used to make electrical contact with a non-metallic part of the circuit. The term was first coined by William Whewell and derived from Greek words Elektron, which means “amber” and hodos which translates to “a way.”
Electrode | Conductors, Reactions & Cells | Britannica
网页2024年7月22日 · electrode, electric conductor, usually metal, used as either of the two terminals of an electrically conducting medium; it conducts current into and out of the medium, which may be an electrolytic solution as in …
Explainer: What is an electrode? - Science News Explores
网页2021年8月18日 · Explainer: What is an electrode? Simplifying the sometimes-confusing terms that describe where electricity meets chemistry. All batteries have a negatively charged anode at one end and a positively charged cathode at the other end. These are their electrodes. Peter Dazeley/The Image Bank/Getty Images. Share this: By Adrian …
16.2: Galvanic cells and Electrodes - Chemistry LibreTexts
网页Electrochemical cells allow measurement and control of a redox reaction. The reaction can be started and stopped by connecting or disconnecting the two electrodes. If we place a variable resistance in the circuit, we can even control the rate of the net cell reaction by simply turning a knob.
Electrode - Energy Education
网页An electrode is a conductor that is used to make contact with a nonmetallic part of a circuit. [1] Electrodes are commonly used in electrochemical cells (see Figure 1), semiconductors like diodes, and in medical devices. The electrode is …
Electrode Definition & Meaning - Merriam-Webster
网页1. : a conductor used to establish electrical contact with a nonmetallic part of a circuit. 2. : an element in a semiconductor device (such as a transistor) that emits or collects …