Facing soaring global energy demand and intensifying environmental problems,the search for sustainable energy alternatives has become imperative.The efficient conversion of carbon dioxide(CO_(2)),one of the primary gr...Facing soaring global energy demand and intensifying environmental problems,the search for sustainable energy alternatives has become imperative.The efficient conversion of carbon dioxide(CO_(2)),one of the primary greenhouse gases,plays the crucial role in mitigating global climate change.The electrocatalytic CO_(2) reduction reaction(eCO_(2)RR)provides an effective solution for its conversion into high-value-added chemicals,promoting the development of the carbon cycle and green chemistry.Porous materials of distinctive physicochemical properties have demonstrated substantial potential in eCO_(2)RR.In this review,various strategies of porousizing catalysts for boosted eCO_(2)RR are briefly summarized.Subsequently,the functionalities of porous materials including enrichment effect,modulating microenvironmental pH,stabilizing key species,facilitating mass transfer and tuning the nature of active sites to improve the efficiency and selectivity of eCO_(2)RR are categorized.Furthermore,we discuss the principal challenges confronting current electrocatalytic systems and propose future research directions.Insights from this review are expected to benefit broad communities of chemical and material research for rationalizing porous electrocatalysts and optimizing eCO_(2)RR performances.展开更多
文摘Facing soaring global energy demand and intensifying environmental problems,the search for sustainable energy alternatives has become imperative.The efficient conversion of carbon dioxide(CO_(2)),one of the primary greenhouse gases,plays the crucial role in mitigating global climate change.The electrocatalytic CO_(2) reduction reaction(eCO_(2)RR)provides an effective solution for its conversion into high-value-added chemicals,promoting the development of the carbon cycle and green chemistry.Porous materials of distinctive physicochemical properties have demonstrated substantial potential in eCO_(2)RR.In this review,various strategies of porousizing catalysts for boosted eCO_(2)RR are briefly summarized.Subsequently,the functionalities of porous materials including enrichment effect,modulating microenvironmental pH,stabilizing key species,facilitating mass transfer and tuning the nature of active sites to improve the efficiency and selectivity of eCO_(2)RR are categorized.Furthermore,we discuss the principal challenges confronting current electrocatalytic systems and propose future research directions.Insights from this review are expected to benefit broad communities of chemical and material research for rationalizing porous electrocatalysts and optimizing eCO_(2)RR performances.