TherecentdevelopmentofCu-basedelectrocatalystsforelectrochemicalreductionofcarbondioxide（CO2）hasattractedmuchattentionduetotheiruniqueactivityandselectivitycomparedtoothermetalcatalysts.Particularly,CuistheuniqueelectrocatalystforCO2electrochemicalreductionwithhighselectivitytogenerateavarietyofhydrocarbons.Inthisreview,wemainlysummarizetherecentadvancesontherationaldesignofCunanostructures,thecompositionregulationofCu-basedalloys,andtheexploitationofadvancedsupportsforimprovingthecatalyticactivityandselectivitytowardelectrochemicalreductionofCO2.ThespecialfocusistodemonstratehowtoenhancetheactivityandselectivityofCubasedelectrocatalystforCO2reduction.TheperspectivesandchallengesforthedevelopmentofCu-basedelectrocatalystsarealsoaddressed.WehopethisreviewcanprovidetimelyandvaluableinsightsintothedesignofadvancedelectrocatalyticmaterialsforCO2electrochemicalreduction.
