Insights into the Electrochemistry of the Deposition of Boron from KCl-KF-NaBF4 Melt

R Pal, S Anthonysamy
2014 Portugaliae Electrochimica Acta  
Electrochemical reduction of boron from boron containing fluoroborate species present in KCl (81.54 mol%)-KF (18.45 mol%)-NaBF 4 (1.67x10 -4 mol cm -4 ) melt on a platinum electrode was studied by cyclic voltammetry and chronoamperometry. These studies were carried out over the temperature range 1073 -1123 K. Boron-containing electroactive species is shown to reduce quasi-reversibly at low scan rates (ν < 0.1 Vs -1 ) and irreversibly at higher scan rates (> 0.1 V s -1 ) through a single-step
more » ... gh a single-step three-electron process (B(III) + 3e → B). The transfer and diffusion coefficients of the electroactive species were measured for sodium fluoroborate in KCl-KF melt over the temperature range 1073 -1123 K.
doi:10.4152/pea.201406405 fatcat:yky3ihucp5he5hsvf7nhoszcye