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Electrolytes reactive oxygen species production

In acidic media, the reactivity of ethanol on Au electrodes is much lower than in alkaline media. The main product of the oxidation of ethanol on Au in an acidic electrolyte was found to be acetaldehyde, with small amounts of acetic acid [Tremiliosi-FiUio et al., 1998]. The different reactivities and the product distributions in different media were explained by considering the interactions between the active sites on Au, ethanol, and active oxygen species absorbed on or near the electrode surface. In acidic media, surface hydroxide concentrations are low, leading to relatively slow dehydrogenation of ethanol to form acetaldehyde as the main oxidation pathway. In contrast, in alkaline media, ethanol, adsorbed as an ethoxy species, reacts with a surface hydroxide, forming adsorbed acetate, leading to acetate (acetic acid) as the main reaction product. [Pg.195]


See other pages where Electrolytes reactive oxygen species production is mentioned: [Pg.835]    [Pg.91]    [Pg.445]    [Pg.262]    [Pg.875]    [Pg.425]    [Pg.543]    [Pg.274]    [Pg.222]    [Pg.219]    [Pg.461]    [Pg.425]    [Pg.28]    [Pg.78]    [Pg.8]   
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Electrolytic Production

OXYGEN product

Oxygen production

Oxygen species

Oxygen, electrolytic production

Oxygenated products

Oxygenated species

Product species

Reactive oxygen

Reactive oxygen reactivity

Reactive oxygen species

Reactive oxygen species production

Reactive species

Reactive species reactivity

Reactivity electrolytic

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