The Effect of Fe(II) Ions on Kinetics and Mechanism of Anodic Dissolution and Cathodic Deposition of Copper

Abstract

The influence of the presence of Fe(II) ions on kinetics and mechanism of anodic dissolution and cathodic deposition of copper in acidic sulfate system has been investigated. The galvanostatic single‐pulse method has been used. Results indicate that the presence of Fe(II) ions decreases the exchange current density determined from the Tafel analysis of the cathodic reaction.

Numerical Simulation of Copper Deposition in the Hull Cell Based on Butler-Volmer Kinetics

“…2 6 0,eff = A dm −2 obtained from the measurements with N 2 purging and Clfree electrolyte agree well with the results of Mattson and Bockris, 7 Matlosz et al 6 or Stankovic. 13 The results could be further aligned to the theoretical values by a longer degassing phase to further reduce the oxygen content in the system. Factors like diffusion and convection influence strongly the obtained results.…”

“…1 is part of the exponent and is not constant along the electrode. Thus, no analytical approach is possible and an iterative approach is necessary to calculate the new boundary condition (13).…”

The effect of bi presence as impurities in anodic copper on kinetics and mechanism of anodic dissolution and cathodic deposition of copper

“…To je bilo od posebnog značaja pri ovim ispitivanjima u kojima su ispitivani mehanizam i kinetika elektroda od bakra sa primesama stranih atoma. Iz tih razloga izvršena su dva preliminarna eksperimenta pri uslovima opisanim u radovima [15,19,25,26], čiji su rezultati korišćeni kao referentni za poređenje sa rezultatima dobijenim u ovom radu. U jednom od dva preliminarna eksperimenta Cu elektroda je pripremljena na način opisan u eksperimentalnoj proceduri, tj.…”

“…1. Gustine struja izmene dobijene u ovim ispitivanjima niže su od onih u referentnim radovima [15,19,25,26].…”

“…Mehanizmu korzije bakra [1][2][3][4] kao i procesu elektrohemijskog taloženja bakra [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18] posvećena su relativno brojna ispitivanja. Uprkos tome, uticaju metalnih primesa u anodnom bakru na kinetiku i mehanizam procesa anodnog rastvaranja i katodnog taloženja bakra, posvećeno je malo radova [19][20][21][22][23][24]. Ispitivanje uticaja primesa u anodnom bakru, na mehanizam i kinetiku anodnog rastvaranja i katodnog taloženja bakra ima kako teoretski tako i praktičan značaj.…”