用于二氧化碳电还原的锌基催化剂的纳米工程:进展与挑战

Junjie Wang, Zhaozhao Zhu, Yingxi Lin, Zhao Li, Wu Tang, John Wang, Jun Song Chen, Rui Wu
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摘要

电催化二氧化碳还原(CO2RR)是一种将大气中的二氧化碳转化为高附加值化学品的新兴可持续能源技术,已受到广泛关注。然而,二氧化碳的高热力学稳定性和竞争性氢进化反应导致催化性能不佳,难以满足工业应用需求。由于锌(Zn)基催化剂储量丰富且具有良好的 CO 选择性,因此一直被认为是最有前景的 CO2-CO 转化催化剂之一。一系列先进的锌基电催化剂,包括锌纳米片、锌单原子、缺陷 ZnO 和金属锌合金,已被广泛报道用于 CO2RR。尽管取得了重大进展,但仍缺乏全面的基本总结。本综述深入探讨了形态设计、掺杂、缺陷、异质界面、合金化、刻面和单原子等有效的调控策略,强调了这些方法如何影响中间体的电子结构和吸附特性,以及锌基材料的催化活性。此外,还讨论了用于 CO2RR 的锌基催化剂所面临的挑战和机遇。本综述有望促进高效 Zn 基催化剂在电催化 CO2RR 中的更广泛应用,从而为可持续能源的未来做出贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Nano-engineering in zinc-based catalysts for CO2 electroreduction: Advances and challenges

Electrocatalytic CO2 reduction (CO2RR), an emerging sustainable energy technology to convert atmospheric CO2 into value-added chemicals, has received extensive attention. However, the high thermodynamic stability of CO2 and the competitive hydrogen evolution reaction lead to poor catalytic performances, hardly meeting industrial application demands. Due to abundant reserves and favorable CO selectivity, zinc (Zn)-based catalysts have been considered one of the most prospective catalysts for CO2-to-CO conversion. A series of advanced zinc-based electrocatalysts, including Zn nanosheets, Zn single atoms, defective ZnO, and metallic Zn alloys, have been widely reported for CO2RR. Despite significant progress, a comprehensive and fundamental summary is still lacking. Herein, this review provides a thorough discussion of effective modulation strategies such as morphology design, doping, defect, heterointerface, alloying, facet, and single-atom, emphasizing how these methods can influence the electronic structure and adsorption properties of intermediates, as well as the catalytic activity of Zn-based materials. Moreover, the challenges and opportunities of Zn-based catalysts for CO2RR are also discussed. This review is expected to promote the broader application of efficient Zn-based catalysts in electrocatalytic CO2RR, thus contributing to a future of sustainable energy.

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Issue Information Front Cover: Carbon Neutralization, Volume 3, Issue 6, November 2024 Inside Back Cover Image: Carbon Neutralization, Volume 3, Issue 6, November 2024 Back Cover Image: Carbon Neutralization, Volume 3, Issue 6, November 2024 A chronicle of titanium niobium oxide materials for high-performance lithium-ion batteries: From laboratory to industry
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