Anodes are a type of electrode that are used in electrochemical cells to attract and collect positively charged ions. They are typically made of a metal that is more reactive than the metal being protected, and they are used to prevent corrosion by sacrificing themselves to protect the more valuable metal. Anodes are commonly used in a variety of applications, including in batteries, electroplating, and in the protection of metal structures such as ships and pipelines. In batteries, anodes are the electrode where oxidation occurs, releasing electrons into the circuit. This process creates a flow of electrical current that can be used to power devices. Anodes are also used in electroplating, where they are immersed in a solution containing metal ions. As the current flows through the solution, the metal ions are attracted to the anode, where they are deposited onto the surface of the metal. In the protection of metal structures, anodes are used to prevent corrosion by attracting and collecting the positively charged ions that cause rust and other forms of degradation. This process is known as cathodic protection, and it is commonly used in the marine industry to protect ships and offshore structures from the corrosive effects of seawater. Overall, anodes are a critical component in many electrochemical processes, and they play an important role in preventing corrosion and extending the lifespan of metal structures.
electrode, electrochemical cells, corrosion, oxidation, electroplating, cathodic protection
CITATION : "Charles Jones. 'Anodes.' Design+Encyclopedia. https://design-encyclopedia.com/?E=284878 (Accessed on July 21, 2025)"
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