Abstract
Anodic oxidation of hydride ion on a Mo electrode was studied at 673 K in a LiCl-KCl eutectic melt containing LiH (0.2-2.0 mol %). From voltammograms showing good reversibility the voltammetric half-wave potential and number of electrons were estimated as (vs. and respectively, for the anodic oxidation of hydride ion. Double potential step chronoamperometry measurements indicated that the anodic oxidation of hydride ion proceeds by a reversible charge-transfer process followed by irreversible bubble formation. Using voltammetry, chronopotentiometry, and chronoamperometry the diffusion coefficient of hydride ion was estimated to be around at 673 K. © 2002 The Electrochemical Society. All rights reserved.
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