材料科学
阳极
催化作用
可再生能源
纳米技术
分解水
化学工程
电化学
电催化剂
析氧
化学
电极
光催化
物理化学
工程类
电气工程
生物化学
作者
Nan Jiang,Zhiwei Zhu,Wenjie Xue,Bao Yu Xia,Bo You
标识
DOI:10.1002/adma.202105852
摘要
Abstract Electrocatalytic CO 2 reduction reaction (CO 2 RR), which produces valuable fuels and chemicals under near‐neutral conditions, offers a renewable approach to alleviate the global energy crisis as well as the increasing concerns on climate change. However, to implement this strategy, one of the major challenges, the sluggish kinetics of the paired oxygen evolution reaction (OER) at anode, needs to be surmounted. It is therefore highly desirable to explore high‐performance and cost‐effective OER electrocatalysts suitable for CO 2 RR conditions, which is very different from those widely investigated under acidic or alkaline conditions. In this review, the ongoing development of OER electrocatalysts under near pH‐neutral CO 2 ‐saturated (bi)carbonate solutions are highlighted and the future opportunities are discussed. It is started with a brief introduction on OER paired with CO 2 RR, the relevant theoretical tools such as density functional theory (DFT) and particularly machine learning (ML), and the operando characterization techniques. Then, there are some detailed discussions of recent progress on the rational design of OER electrocatalysts under CO 2 RR conditions ranging from noble‐metal oxides to nonprecious metal phosphides, carbonates, (hydro)oxides, and so on. Finally, a perspective for developing OER electrocatalysts integrated with CO 2 electroreduction is proposed.
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