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Electrochemical Reduction of Liquid CO 2 : Drastic Enhancement of Current Density
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1994
Year
Chemical EngineeringEngineeringElectrochemical ReductionDrastic EnhancementElectrochemistryChloralkali IndustryEnergy StorageMass TransferChemistryCu ElectrodeWater ElectrolysisElectrochemical ProcessElectrochemical CellElectrode Reaction MechanismElectrolysis Of WaterLiquid Co 2
A novel electrochemical reduction system has been developed in which liquid was reduced electrochemically at a Cu electrode producing , , , and . We have succeeded in reducing with a current density of 420 mA/cm2 and a current efficiency of 85%; the former is higher than that used in industrial electrolyses such as in the chloralkali industry. The Tafel plots indicate that the supply of is no longer limited by its mass transfer.