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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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