Cathode Definition & Meaning | Manufacturing Term | CSIMarket
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Glossary

Cathode

Manufacturing Term

A cathode refers to an electrode that is negatively charged, meaning it has an excess of electrons. It plays a significant role in various electrochemical processes used in the field of manufacturing industry, including electroplating, electrolysis, and welding. In these processes, the cathode works as the reducing agent, receiving electrons from the anode to facilitate the desired chemical reaction.

Cathodes can be made of various materials, depending on the specific manufacturing process. Copper and zinc are commonly used for electroplating, while steel is used for welding. In addition to their role in electrochemical processes, cathodes also play a crucial role in various electronic and power systems, such as batteries, fuel cells, and cathode ray tubes (CRTs) used in television and computer monitors.

Cathodes are heavily used in the manufacturing industry, particularly in metal fabrication. For example, in the process of electroplating, the cathode is immersed in a solution containing metal ions, and the passage of current causes the ions to become deposited on the surface of the cathode, creating a thin layer of metal. This process is used to protect metal surfaces from abrasion, corrosion, and wear, and also to create specific decorative finishes.

In conclusion, the role of cathodes in the manufacturing industry is essential in various electrochemical processes used for metal fabrication, such as electroplating, electrolysis, and welding. It is an important component in many electronic and power systems that are widely used in the industry and beyond.


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