甲烷化
桥接(联网)
电催化剂
碳纤维
材料科学
催化作用
生化工程
化学
工艺工程
纳米技术
计算机科学
电化学
工程类
电极
有机化学
物理化学
算法
复合数
计算机网络
作者
Hui Kang,Jun Ma,S. Perathoner,Wei Chu,Gabriele Centi,Yuefeng Liu
摘要
The selective methanation of CO2 is an important research area to meet the net-zero emission targets. Furthermore, it is crucial to develop solutions to achieve carbon neutrality, hydrogen utilization, carbon circularity, and chemical-energy storage. This conversion can be realized via the thermocatalytic multistep power-to-X route or by direct electro- (or photoelectro)-catalytic technologies. Herein, we discuss the need to accelerate direct technologies. Improving these technologies requires a better understanding of the catalytic chemistry and the complexity of the aspects to consider in bridging catalytic and electrocatalytic CO2 methanation. In this tutorial review, initially we analyze the fundamental question of the competitive adsorption of key reactants and regulation strategies to promote the overall reaction. Then, this approach is used to guide the reader in understanding the differences between thermocatalysis and electrocatalysis. Finally, the complexity of the aspects necessary to include in modelling and designing next-generation electrocatalysts for CO2 methanation is analyzed.
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