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Strong effect-correlated electrochemical CO2 reduction
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2024-08-20 , DOI: 10.1039/d4cs00229f Yu-Feng Tang 1 , Lin-Bo Liu 1 , Mulin Yu 1 , Shuo Liu 1 , Peng-Fei Sui 2 , Wei Sun 1 , Xian-Zhu Fu 3 , Jing-Li Luo 2, 3 , Subiao Liu 1
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2024-08-20 , DOI: 10.1039/d4cs00229f Yu-Feng Tang 1 , Lin-Bo Liu 1 , Mulin Yu 1 , Shuo Liu 1 , Peng-Fei Sui 2 , Wei Sun 1 , Xian-Zhu Fu 3 , Jing-Li Luo 2, 3 , Subiao Liu 1
Affiliation
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Electrochemical CO2 reduction (ECR) holds great potential to alleviate the greenhouse effect and our dependence on fossil fuels by integrating renewable energy for the electrosynthesis of high-value fuels from CO2. However, the high thermodynamic energy barrier, sluggish reaction kinetics, inadequate CO2 conversion rate, poor selectivity for the target product, and rapid electrocatalyst degradation severely limit its further industrial-scale application. Although numerous strategies have been proposed to enhance ECR performances from various perspectives, scattered studies fail to comprehensively elucidate the underlying effect-performance relationships toward ECR. Thus, this review presents a comparative summary and a deep discussion with respect to the effects strongly-correlated with ECR, including intrinsic effects of materials caused by various sizes, shapes, compositions, defects, interfaces, and ligands; structure-induced effects derived from diverse confinements, strains, and fields; electrolyte effects introduced by different solutes, solvents, cations, and anions; and environment effects induced by distinct ionomers, pressures, temperatures, gas impurities, and flow rates, with an emphasis on elaborating how these effects shape ECR electrocatalytic activities and selectivity and the underlying mechanisms. In addition, the challenges and prospects behind different effects resulting from various factors are suggested to inspire more attention towards high-throughput theoretical calculations and in situ/operando techniques to unlock the essence of enhanced ECR performance and realize its ultimate application.
中文翻译：
强效应相关的电化学 CO2 还原
电化学CO 2还原(ECR) 通过整合可再生能源从CO 2电合成高价值燃料，在缓解温室效应和我们对化石燃料的依赖方面具有巨大潜力。然而，热力学能垒高、反应动力学缓慢、CO 2转化率不足、目标产物选择性差以及电催化剂快速降解严重限制了其进一步的工业规模应用。尽管已经从不同角度提出了许多策略来增强 ECR 性能，但分散的研究未能全面阐明 ECR 的潜在效果与性能关系。因此，本文对与ECR强相关的效应进行了比较总结和深入讨论，包括各种尺寸、形状、成分、缺陷、界面和配体引起的材料的内在效应；来自不同限制、应变和场的结构诱导效应；不同溶质、溶剂、阳离子和阴离子引入的电解质效应；以及不同离聚物、压力、温度、气体杂质和流速引起的环境影响，重点阐述这些影响如何影响 ECR 电催化活性和选择性以及潜在机制。此外，还提出了各种因素造成的不同效应背后的挑战和前景，以激发人们对高通量理论计算和原位/操作技术的更多关注，以解锁增强ECR性能的本质并实现其最终应用。
更新日期：2024-08-20
中文翻译：
强效应相关的电化学 CO2 还原
电化学CO 2还原(ECR) 通过整合可再生能源从CO 2电合成高价值燃料，在缓解温室效应和我们对化石燃料的依赖方面具有巨大潜力。然而，热力学能垒高、反应动力学缓慢、CO 2转化率不足、目标产物选择性差以及电催化剂快速降解严重限制了其进一步的工业规模应用。尽管已经从不同角度提出了许多策略来增强 ECR 性能，但分散的研究未能全面阐明 ECR 的潜在效果与性能关系。因此，本文对与ECR强相关的效应进行了比较总结和深入讨论，包括各种尺寸、形状、成分、缺陷、界面和配体引起的材料的内在效应；来自不同限制、应变和场的结构诱导效应；不同溶质、溶剂、阳离子和阴离子引入的电解质效应；以及不同离聚物、压力、温度、气体杂质和流速引起的环境影响，重点阐述这些影响如何影响 ECR 电催化活性和选择性以及潜在机制。此外，还提出了各种因素造成的不同效应背后的挑战和前景，以激发人们对高通量理论计算和原位/操作技术的更多关注，以解锁增强ECR性能的本质并实现其最终应用。
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