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    STUDIA CHEMIA - Issue no. 3 / 2013  
         
  Article:   ELECTROCHEMICAL REDUCTION OF CO2 ON LEAD ELECTRODE. I. CYCLIC VOLTAMMETRY AND LONG TIME ELECTROSYNTHESIS STUDIES.

Authors:  PETRU ILEA.
 
       
         
  Abstract:   Carbon dioxide electrochemical reduction (CDER) was investigated on Pb electrode in a conventional three electrodes cell and a filter-press electrochemical reactor at ambient temperature and pressure. The electrolysis was conducted in Na2SO4, Na2SO4 Na2CO3 and Na2CO3 solutions for 4h. The formation of formate as a product of reduction depends on the type of electrolyte and pH value. The highest current efficiency (35%) was obtained in sulphate solution at 5mA/cm2 current density.

Keywords: carbon dioxide reduction, formic acid production, lead electrode
 
         
     
         
         
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