Electrolytic tank and application for electrochemical reduction reaction of carbon dioxide
A carbon dioxide and electrolytic cell technology, applied in the direction of electrolytic process, electrolytic components, electrolytic organic production, etc., can solve the problems of ineffective improvement of CO2 conversion rate, unsuitable for large-scale application, intensified side reaction of hydrogen evolution, etc., to expand the electrochemical reaction area, increase the electrochemical reaction speed, and control the effect of simplicity
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[0062] 1) Seal the foamed copper material with a porosity of 85%, a pore diameter of 0.1 mm, and a thickness of 1 mm with a material coated with a thermosetting resin to obtain a working electrode with an exposed geometric area of 3 cm 2 .
[0063] 2) Place the working electrode between the flanges of the upper and lower chambers of the cathode chamber made of plexiglass with a thickness of 4mm, use silica gel material as the sealing element, and place the upper chamber, the working electrode and the lower chamber of the cathode chamber Make connections and fastenings to ensure that there is no leakage of liquids and gases;
[0064] 3) The cathode chamber is connected with the anode chamber made of plexiglass, and the NF115 produced by Dupont is used as the ion exchange membrane, and the seal is checked until there is no gas and liquid leakage;
[0065] 4) Pour 0.5M NaHCO into the cathode chamber 3 Aqueous solution, pour 0.1MH into the anode chamber 2 SO 4 aqueous soluti...
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