Stoichiometry and mechanism of the cathodic reduction process for HCl dissolved in LiCI-KCl eutectic

1975 ◽  
Vol 28 (12) ◽  
pp. 2579 ◽  
Author(s):  
NQ Minh ◽  
BJ Welch
Keyword(s):  
Charge Transfer ◽  
Hydrogen Atom ◽  
Electrochemical Reduction ◽  
Glassy Carbon ◽  
Reduction Process ◽  
Linear Sweep Voltammetry ◽  
Chloride Ions ◽  
Carbon Electrode ◽  
Linear Sweep ◽  
Step Mechanism

The electrochemical reduction of HCl dissolved in LiCl-KCl eutectic has been studied by linear sweep voltammetry and chronopotentiometry at a glassy carbon electrode. The dissolved HCl is found to be completely dissociated into protons and chloride ions, and the cathodic evolution of hydrogen proceeds by the two-step mechanism ���������������������������� H+ + e ↔ H ���������������������������� H + H ↔ H2 The charge-transfer step is reversible and faster than the hydrogen atom combination reaction.

scholarly journals Electrochemical Deposition of Al-Ti Alloys from Equimolar AlCl3 + NaCl Containing Electrochemically Dissolved Titanium

Metals ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 88
Author(s):  
Vesna S. Cvetković ◽  
Nataša M. Vukićević ◽  
Ksenija Milićević-Neumann ◽  
Srećko Stopić ◽  
Bernd Friedrich ◽  
...  
Keyword(s):  
Electrochemical Deposition ◽  
Glassy Carbon ◽  
Molten Salts ◽  
Energy Dispersive Spectrometry ◽  
Linear Sweep Voltammetry ◽  
Carbon Electrode ◽  
Ti Alloy ◽  
Linear Sweep ◽  
Ti Alloys ◽  
Constant Potential

Al-Ti alloys were electrodeposited from equimolar chloroaluminate molten salts containing up to 0.1 M of titanium ions, which were added to the electrolyte by potentiostatic dissolution of metallic Ti. Titanium dissolution and titanium and aluminium deposition were investigated by linear sweep voltammetry and chronoamperometry at 200 and 300 °C. Working electrodes used were titanium and glassy carbon. The voltammograms on Ti obtained in the electrolyte without added Ti ions indicated titanium deposition and dissolution proceeding in three reversible steps: Ti4+ ⇄ Ti3+, Ti3+ ⇄ Ti2+ and Ti2+ ⇄ Ti. The voltammograms recorded with glassy carbon in the electrolyte containing added titanium ions did not always clearly register all of the three processes. However, peak currents, which were characteristics of Al, Ti and Al-Ti alloy deposition and dissolution, were evident in voltammograms on both working electrodes used. A constant potential electrodeposition regime was used to obtain deposits on the glassy carbon working electrode. The obtained deposits were characterized by SEM, energy-dispersive spectrometry and XRD. In the deposits on the glassy carbon electrode, the analysis identified an Al and AlTi3 alloy formed at 200 °C and an Al2Ti and Al3Ti alloy obtained at 300 °C.

Electrochemical reduction mechanism of camptothecin at glassy carbon electrode

2010 ◽  
Vol 79 (2) ◽  
pp. 173-178 ◽  
Author(s):  
Afzal Shah ◽  
Victor C. Diculescu ◽  
Rumana Qureshi ◽  
Ana Maria Oliveira-Brett
Keyword(s):  
Electrochemical Reduction ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Carbon Electrode ◽  
Reduction Mechanism
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