Publication

Estimation of the electro-combustion activity of the anode with the use of the normalized current efficiency

Christos Comninellis
2001
Conference Papers

Abstract

A new parameter, the normalized current efficiency for the electro-combustion has been considered. This parameter allows to eliminate the mass transfer inefficiency and then can be defined as the ability of the anode to promote the electro-oxidn. and to reduce the side reaction of oxygen evolution. It has been shown that the normalized current efficiency highly depends on both anode material and org. species. The electrochem. behavior of lead dioxide and synthetic boron-doped diamond thin film electrode (BDD) has been studied in acid media contg. 4-chlorophenol by bulk electrolysis under different exptl. conditions with the use of normalized current efficiency. [on SciFinder (R)]

Official source

https://infoscience.epfl.ch/entities/publication/1eca9c69-dc3a-46af-b994-6750081e425d

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Christos Comninellis
2001
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1eca9c69-dc3a-46af-b994-6750081e425d

About this result

Related concepts (26)

Lead dioxide

Lead(IV) oxide, commonly known as lead dioxide, is the inorganic compound with the formula PbO2. It is an oxide where lead is in an oxidation state of +4. It is a dark-brown solid which is insoluble in water. It exists in two crystalline forms. It has several important applications in electrochemistry, in particular as the positive plate of lead acid batteries. Lead dioxide has two major polymorphs, alpha and beta, which occur naturally as rare minerals scrutinyite and plattnerite, respectively.

Anode

An anode is an electrode of a polarized electrical device through which conventional current enters the device. This contrasts with a cathode, an electrode of the device through which conventional current leaves the device. A common mnemonic is ACID, for "anode current into device". The direction of conventional current (the flow of positive charges) in a circuit is opposite to the direction of electron flow, so (negatively charged) electrons flow out the anode of a galvanic cell, into an outside or external circuit connected to the cell.

Anodizing

Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called anodizing because the part to be treated forms the anode electrode of an electrolytic cell. Anodizing increases resistance to corrosion and wear, and provides better adhesion for paint primers and glues than bare metal does. Anodic films can also be used for several cosmetic effects, either with thick porous coatings that can absorb dyes or with thin transparent coatings that add reflected light wave interference effects.

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Estimation of the electro-combustion activity of the anode with the use of the normalized current efficiency

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