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An ideal polarizable electrode (also ideally polarizable electrode or ideally polarized electrode or IPE) is a hypothetical electrode characterized by an absence of net DC current between the two sides of the electrical double layer, i.e., no faradic current exists between the electrode surface and the electrolyte.
For nearly ideal electrodes with small k o, large changes in the overpotential are required to generate a significant current. In the limit as k 0 → ∞ {\displaystyle k^{0}\rightarrow \infty } , the electrode becomes an ideal non-polarizable electrode and will behave as an electrical short.
During the early development of electrochemistry, researchers used the normal hydrogen electrode as their standard for zero potential. This was convenient because it could actually be constructed by "[immersing] a platinum electrode into a solution of 1 N strong acid and [bubbling] hydrogen gas through the solution at about 1 atm pressure".
A reference electrode is an electrode that has a stable and well-known electrode potential. The overall chemical reaction taking place in a cell is made up of two independent half-reactions , which describe chemical changes at the two electrodes.
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Typically, non-polarizable electrodes are glass micropipettes filled with an ionic solution or metal. Alternatively, ideal polarized electrodes do not have the transformation of ions; these are typically metal electrodes. [8] Instead, the ions and electrons at the surface of the metal become polarized with respect to the potential of the solution.
Pouring yourself a big bowl of cereal to start each day may not be ideal if you’re concerned about your metabolic health. “Foods with processed flour include most breakfast cereals, refined ...