Electrocatalytic CO_(2) reduction reaction(CRR)is considered as a sustainable approach to converting CO_(2) into high value-added chemicals,assisting the goal of carbon peaking and carbon neutrality.Electrochemical CR...Electrocatalytic CO_(2) reduction reaction(CRR)is considered as a sustainable approach to converting CO_(2) into high value-added chemicals,assisting the goal of carbon peaking and carbon neutrality.Electrochemical CRR can be easily regulated by controlling the electrocatalyst,electrolyte,and reactor to produce various chemicals.Among different products,multi-carbon(C_(2+))products draw widespread attention for their high energy density and value along with complex reaction mechanisms.It is well recognized that*CO intermediate plays vital role in forming C_(2+)products and Cu is the only metal catalyst which can efficiently electro-reduce CO_(2) to C_(2+)products.Therefore,researchers developed many strategies to increase the amount of*CO intermediate and further enhance the performance of C_(2+)products.Recently,designing tandem electrocatalysts consisted of Cu and the materials which can convert CO_(2) to*CO intermediate has become a hotspot and achieved great achievements.In this review,we will summary the recent progress in tandem electrocatalysts for CO_(2) reduction to prepare C_(2+)products,including the origin and fundamental mechanism of tandem electrocatalysis,the strategies of catalyst design,and regulation principles.In addition,some newest findings,like Cu tandem catalysts can achieve to produce C_(2+)products,are well introduced.Finally,the remaining challenges and prospects for future development are also proposed.展开更多
基金supported by National Natural Science Foundation of China(Nos.22202065 and 22409159)Natural Science Foundation of Hubei Province of China(No.2024AFB1004)+1 种基金Natural Science Basic Research Program of Shaanxi(Nos.2024JC-YBQN-0119 and 2023SYJ04)the financial support from CHN Energy Zhejiang Ninghai Power Generation CO.Ltd.(No.GJNY-23-122).
文摘Electrocatalytic CO_(2) reduction reaction(CRR)is considered as a sustainable approach to converting CO_(2) into high value-added chemicals,assisting the goal of carbon peaking and carbon neutrality.Electrochemical CRR can be easily regulated by controlling the electrocatalyst,electrolyte,and reactor to produce various chemicals.Among different products,multi-carbon(C_(2+))products draw widespread attention for their high energy density and value along with complex reaction mechanisms.It is well recognized that*CO intermediate plays vital role in forming C_(2+)products and Cu is the only metal catalyst which can efficiently electro-reduce CO_(2) to C_(2+)products.Therefore,researchers developed many strategies to increase the amount of*CO intermediate and further enhance the performance of C_(2+)products.Recently,designing tandem electrocatalysts consisted of Cu and the materials which can convert CO_(2) to*CO intermediate has become a hotspot and achieved great achievements.In this review,we will summary the recent progress in tandem electrocatalysts for CO_(2) reduction to prepare C_(2+)products,including the origin and fundamental mechanism of tandem electrocatalysis,the strategies of catalyst design,and regulation principles.In addition,some newest findings,like Cu tandem catalysts can achieve to produce C_(2+)products,are well introduced.Finally,the remaining challenges and prospects for future development are also proposed.
