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Exchange current density

Index Exchange current density

In electrochemistry, exchange current density is a parameter used in the Tafel equation, Butler-Volmer equation and other expressions. [1]

22 relations: Analyte, Butler–Volmer equation, Cadmium, Electrochemistry, Electrode, Electron transfer, Gold, Iridium, Lead, Manganese, Mercury (element), Nickel, Niobium, Overpotential, Palladium, Partial current, Passivation (chemistry), Platinum, Rhodium, Tafel equation, Titanium, Tungsten.

Analyte

An analyte, component (in clinical chemistry), or chemical species is a substance or chemical constituent that is of interest in an analytical procedure.

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Butler–Volmer equation

The Butler–Volmer equation (named after John Alfred Valentine Butler and Max Volmer), also known as Erdey-Grúz–Volmer equation, is one of the most fundamental relationships in electrochemical kinetics.

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Cadmium

Cadmium is a chemical element with symbol Cd and atomic number 48.

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Electrochemistry

Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a measurable and quantitative phenomenon, and identifiable chemical change, with either electricity considered an outcome of a particular chemical change or vice versa.

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Electrode

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).

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Electron transfer

Electron transfer (ET) occurs when an electron relocates from an atom or molecule to another such chemical entity.

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Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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Iridium

Iridium is a chemical element with symbol Ir and atomic number 77.

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Lead

Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.

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Manganese

Manganese is a chemical element with symbol Mn and atomic number 25.

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Mercury (element)

Mercury is a chemical element with symbol Hg and atomic number 80.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Niobium

Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.

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Overpotential

In electrochemistry, overpotential is the potential difference (voltage) between a half-reaction's thermodynamically determined reduction potential and the potential at which the redox event is experimentally observed.

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Palladium

Palladium is a chemical element with symbol Pd and atomic number 46.

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Partial current

In electrochemistry, partial current is defined as the electric current associated with (anodic or cathodic) half of the electrode reaction.

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Passivation (chemistry)

Passivation, in physical chemistry and engineering, refers to a material becoming "passive," that is, less affected or corroded by the environment of future use.

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Rhodium

Rhodium is a chemical element with symbol Rh and atomic number 45.

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Tafel equation

The Tafel equation is an equation in electrochemical kinetics relating the rate of an electrochemical reaction to the overpotential.

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Titanium

Titanium is a chemical element with symbol Ti and atomic number 22.

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Tungsten

Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.

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References

[1] https://en.wikipedia.org/wiki/Exchange_current_density

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