Gas phase reduction of carbon monoxide to formaldehyde and ethylene was found in electrochemical cell with an inorganic ion exchanger α-Zr(HPO4)2·H2O used as solid proton-conducting electrolyte at room temperature and atmospheric pressure.The type and amount of the electroreduction of CO depend on the different metal electrodes and current densities,which gives a lank between heterogeneous catalysis and electrochemistry.
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