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- Exchange_current_density abstract "In electrochemistry, exchange current density is a parameter used in the Tafel equation, Butler-Volmer equation and other expressions. The Tafel equation describes the dependence of current for an electrolytic process to overpotential.The exchange current density is the current in the absence of net electrolysis and at zero overpotential. The exchange current can be thought of as a background current to which the net current observed at various overpotentials is normalized. For a redox reaction written as a reduction at the equilibrium potential, electron transfer processes continue at electrode/solution interface in both directions. The cathodic current is balanced by the anodic current. This ongoing current in both directions is called the exchange current density. When the potential is set more negative than the formal potential, the cathodic current is greater than the anodic current. Written as a reduction, cathodic current is positive. The net current density is the difference between the cathodic and anodic current density. Exchange current densities reflect intrinsic rates of electron transfer between an analyte and the electrode. Such rates provide insights into the structure and bonding in the analyte and the electrode. For example, the exchange current densities for platinum and mercury electrodes for reduction of protons differ by a factor of 1010, indicative of the excellent catalytic properties of platinum. Owing to this difference, mercury is preferred electrode material at reducing (cathodic) potentials in aqueous solution.".
- Exchange_current_density wikiPageID "22888578".
- Exchange_current_density wikiPageLength "4017".
- Exchange_current_density wikiPageOutDegree "27".
- Exchange_current_density wikiPageRevisionID "605029441".
- Exchange_current_density wikiPageWikiLink Analyte.
- Exchange_current_density wikiPageWikiLink Butler-Volmer_equation.
- Exchange_current_density wikiPageWikiLink Butler–Volmer_equation.
- Exchange_current_density wikiPageWikiLink Cadmium.
- Exchange_current_density wikiPageWikiLink Category:Electrochemistry.
- Exchange_current_density wikiPageWikiLink Electrochemistry.
- Exchange_current_density wikiPageWikiLink Electrode.
- Exchange_current_density wikiPageWikiLink Electron_transfer.
- Exchange_current_density wikiPageWikiLink Gold.
- Exchange_current_density wikiPageWikiLink Iridium.
- Exchange_current_density wikiPageWikiLink Lead.
- Exchange_current_density wikiPageWikiLink Manganese.
- Exchange_current_density wikiPageWikiLink Mercury_(element).
- Exchange_current_density wikiPageWikiLink Nickel.
- Exchange_current_density wikiPageWikiLink Niobium.
- Exchange_current_density wikiPageWikiLink Overpotential.
- Exchange_current_density wikiPageWikiLink Palladium.
- Exchange_current_density wikiPageWikiLink Partial_current.
- Exchange_current_density wikiPageWikiLink Passivation_(chemistry).
- Exchange_current_density wikiPageWikiLink Platinum.
- Exchange_current_density wikiPageWikiLink Rhodium.
- Exchange_current_density wikiPageWikiLink Tafel_equation.
- Exchange_current_density wikiPageWikiLink Titanium.
- Exchange_current_density wikiPageWikiLink Tungsten.
- Exchange_current_density wikiPageWikiLinkText "Exchange current density".
- Exchange_current_density wikiPageWikiLinkText "exchange current density".
- Exchange_current_density hasPhotoCollection Exchange_current_density.
- Exchange_current_density subject Category:Electrochemistry.
- Exchange_current_density hypernym Parameter.
- Exchange_current_density type Software.
- Exchange_current_density comment "In electrochemistry, exchange current density is a parameter used in the Tafel equation, Butler-Volmer equation and other expressions. The Tafel equation describes the dependence of current for an electrolytic process to overpotential.The exchange current density is the current in the absence of net electrolysis and at zero overpotential. The exchange current can be thought of as a background current to which the net current observed at various overpotentials is normalized.".
- Exchange_current_density label "Exchange current density".
- Exchange_current_density sameAs Densità_di_corrente_di_scambio.
- Exchange_current_density sameAs m.06415c6.
- Exchange_current_density sameAs Q3705514.
- Exchange_current_density sameAs Q3705514.
- Exchange_current_density wasDerivedFrom Exchange_current_density?oldid=605029441.
- Exchange_current_density isPrimaryTopicOf Exchange_current_density.