Anode Efficiency

Definition - What does Anode Efficiency mean?

Anode efficiency is the ratio of theoretical corrosion according to the entire current flow as computed using Faraday's law based on the amount of electricity passing through a point.

It is the efficiency of a charge or electrons are transferred into a system that can facilitate an electrochemical reaction. The term "faradaic" is related to two things: Faraday, the unit for charge that is currently called as "coulomb," or it can refer to the amount of substance or Faraday constant.

Anode efficiency is also known as faradaic efficiency, coulombic efficiency or anode corrosion efficiency.

Corrosionpedia explains Anode Efficiency

Anode efficiency is a type of electrochemical phenomenon discovered by Michael Faraday as he studied the laws of electrolysis.

Faradaic losses take place both in electrolytic and galvanic cells. This typically occurs when electrons or ions engage in undesirable reactions, which produce losses that are reflected as byproducts of heat or chemicals.

This phenomenon can be seen in oxidation of water, taking into account positive electrodes. When hydrogen peroxide is produced, most of the electrodes are passed on and a small percentage of these electrons represent faradaic losses that vary according to apparatus.

Therefore, anode efficiency should be measured precisely in order to identify accurate anodic corrosion values. This can be true in the case of self-discharge, which reduces battery shelf life, described as faradaic loss, as well as gauging the efficiency of anodic corrosion.

Despite appropriate electrolysis, such losses can be present, especially when products recombine. In hydrolysis, hydrogen and oxygen combine to form water.

Understanding anode efficiency is highly important in many industries, as failure to identify anode corrosion efficiency could cause problems with corrosion prevention and control.

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