Current density

Current density is an important parameter in electroplating, which indicates the amount of electric current per unit area that flows through an electrode surface. In electroplating processes, such as electrolytic coating or electrochemical cleaning, the current density plays a decisive role in controlling and optimizing the process.

Current density is usually measured in amperes per square centimeter (A/cm²) or milliamperes per square centimeter (mA/cm²). By controlling the current density, various aspects of the electroplating process can be controlled, including the thickness and uniformity of the deposited layer, the adhesion strength to the substrate and the quality of the surface.

Too high a current density can lead to undesirable effects such as pores, unevenness or uneven plating, while too low a current density can lead to slow process times and inefficient use of energy. Therefore, precise control of current density is crucial for achieving high-quality and uniform electroplated coatings.

Optimizing current density is a complex task that requires consideration of various factors such as electrolyte composition, temperature, electrode materials and process parameters. By precisely controlling the current density, electroplating processes can be made more efficient and high-quality coatings with the desired properties can be produced.