催化学报 ›› 2024, Vol. 60: 107-127.DOI: 10.1016/S1872-2067(23)64640-6
海广通a,b,*(), 富忠恒c, 刘欣d,*(
), 黄秀兵e,*(
)
收稿日期:
2024-01-24
接受日期:
2024-02-29
出版日期:
2024-05-18
发布日期:
2024-05-20
通讯作者:
电子信箱: 基金资助:
Guangtong Haia,b,*(), Zhongheng Fuc, Xin Liud,*(
), Xiubing Huange,*(
)
Received:
2024-01-24
Accepted:
2024-02-29
Online:
2024-05-18
Published:
2024-05-20
Contact:
E-mail: About author:
Guangtong Hai (Institute of Zhejiang University-Quzhou, Zhejiang University) received his Ph.D. from the University of Science and Technology Beijing in 2021. From 2021 to 2023, he worked as a post-doctoral researcher at Tsinghua University. In November 2023, he joined the Institute of Zhejiang University-Quzhou as an associate researcher. His research interests include high-throughput theoretical screening, precise controlled synthesis and gas separation applications of nanoporous materials. So far, he has published more than 30 papers in academic journals such as Coordination Chemistry Reviews, Nano Energy, Small Methods, Advanced Function Materials, ACS Catalysis, Applied Catalysis B: Environmental, Chemical Science, Chemical Engineering Journal, iScience, Journal of Colloid and Interface Science, AIP Advances, and has been cited more than 1200 times with the H-index of 19. He has applied for 2 national invention patents as the first inventor and 4 software Copyrights have been applied (authorized) as the first author or corresponding author.Supported by:
摘要:
氮还原反应在生态系统、农业系统和工业氮循环中发挥着至关重要的作用. 然而, 由于氮气在水中的溶解度低, N≡N三键结构稳定, 且存在与析氢反应的激烈竞争, 因此目前电化学氮还原反应面临着产率缓慢、法拉第效率低等挑战. 尽管研究者们通过不懈的努力已经在该领域取得了显著的进展, 但距离其实际应用仍有较大差距. 因此, 如何通过多方面的调控手段, 尽早实现人工固氮的工业化生产, 成为当前该领域亟待解决的关键问题.
本文系统梳理了电催化还原氮制氨的最新进展. 首先, 对NRR的机理进行了全面介绍. 详细介绍了五种备受关注的氮还原机理: 解离机理、结合机理、交替机理、酶促机理以及最新发现的马尔斯-范克雷维伦机理. 通过对比电催化氮还原与哈珀法催化氮还原的反应机理, 阐明了电催化氮还原的优势. 然后, 总结了该领域最新的研究进展. 详细介绍了高性能氮还原催化剂的最新设计开发成果, 基于近五年的相关报道, 重点介绍了Mo基催化剂、Cu基催化剂、Ru基催化剂、Bi基催化剂和Fe基催化剂的研究进展. 此外, 对其他过渡金属基催化剂和非金属催化剂也进行了评述和展望, 并对不同催化剂的优缺点进行了系统的比较. 随后, 对新型氮还原反应装置的研究进展进行了综述. 讨论了新型反应器对缓解氮分子低溶解度这一问题的关键作用, 强调了研发新型氮还原反应装置对提升电催化氮还原性能的重要性. 在NRR反应路径的调控和优化方面, 本文总结了最新的研究成果, 特别是Li介导的氮还原反应的重要意义, 证实了反应路径的调控优化是提升氮还原性能的有效手段. 更为重要的是, 从目前最新的研究成果出发, 提出了氮还原性能的提升需要多方面的协同调控, 单一的优化手段难以突破现有的瓶颈, 这为后续的研究提供了重要参考. 在展望部分, 强调了氮还原领域目前面临的挑战并讨论了未来的研究方向.
综上, 本文系统地总结了近年来的研究进展, 包括高性能催化剂、新型反应设备以及氮还原反应路径的调控和优化. 提升氮还原反应的整体性能需要多方面的协调调控, 仅关注催化剂很难取得重大突破. 本文旨在为氮还原催化剂和反应器的设计以及反应路径的调控优化提供参考.
海广通, 富忠恒, 刘欣, 黄秀兵. 电催化还原氮制氨的最新进展[J]. 催化学报, 2024, 60: 107-127.
Guangtong Hai, Zhongheng Fu, Xin Liu, Xiubing Huang. Recent progress in electrocatalytic reduction of nitrogen to ammonia[J]. Chinese Journal of Catalysis, 2024, 60: 107-127.
Scheme 1. Schematic diagram of different strategies for NRR, including high-performance catalysts (materials aspect), novel reactor (device aspect) and mechanism tunning (reaction aspect).
Fig. 1. Generic mechanisms for nitrogen reduction to ammonia on heterogeneous catalysts. Reprinted with permission from Ref. [9]. Copyright 2021, Elsevier.
Fig. 2. The percentage of occurrence frequency of different transition metal-based NRR catalysts reported in the past five years from text mining statistic results.
Fig. 3. Various kinds of Mo-based catalysts for NRR. (a) Single-atom Au isolated onto bicontinous nanoporous MoSe2. Reprinted with permission from Ref. [17]. Copyright 2021, John Wiley and Sons. (b) Molybdenum carbide nanodots embedded in ultrathin carbon nanosheets. Reprinted with permission from Ref. [18]. Copyright 2018, John Wiley and Sons. (c) Chevrel phase chalcogenide Fe2Mo6S8. Reprinted with permission from Ref. [20]. Copyright 2021, American Chemical Society. (d) Mo2C-MoO2 heterostructure QDs. Reprinted with permission from Ref. [24]. Copyright 2022, American Chemical Society. (e) Metallic 1T phase of MoS2. Reprinted with permission from Ref. [26]. Copyright 2021, John Wiley and Sons.
Fig. 4. Various kinds of Cu-based catalysts for NRR. (a) Cu-phthalocyanine-based 2D conjugated COF. Reprinted with permission from Ref. [34]. Copyright 2021, American Chemical Society. (b) Ordered vacancies decorated PdCu crystal would significantly enhance the NRR performance. Reprinted with permission from Ref. [35]. Copyright 2021, American Chemical Society. (c) Schematic of the structure and fabrication of Ru-Cu nanoparticles on the cellulose/carbon nanotube sponge. Reprinted with permission from Ref. [36]. Copyright 2022, John Wiley and Sons. (d) Mass transfer of protons (produced from water) and nitrogen molecules on the FePS (left) and Cu modified FeSx (FeCuSx, right) surface in alkaline electrolytes. Reprinted with permission from Ref. [37]. Copyright 2022, John Wiley and Sons. (e) Ti3C2Tx-MXene QDs/porous Cu nanosheets would deliver excellent NRR performance. Reprinted with permission from Ref. [38]. Copyright 2022, John Wiley and Sons.
Fig. 5. Various kinds of Ru-based and Bi-based catalysts for NRR. (a) Atomic models with electron transfer of N2 adsorption on Ru-Co3O4-x (001) surface. Reprinted with permission from Ref. [40]. Copyright 2021, American Chemical Society. (b) NRR performance of the Ru-S-C catalyst tested in N2-saturated 0.10 mol L-1 KOH at -0.15 V vs. RHE and the schematic diagram of the Ru/S dual-site collaborative catalytic mechanism. Reprinted with permission from Ref. [41]. Copyright 2022, Elsevier. (c) Schematic illustration of the synthesis of Bi@C electrocatalyst. Reprinted with permission from Ref. [44]. Copyright 2021, John Wiley and Sons. (d) Synthetic process of the NC/Bi SAs/TiN/CC. Reprinted with permission from Ref. [45]. Copyright 2021, John Wiley and Sons. (e) High NRR performance was achieved by BiOx ADCs catalyst. Reprinted with permission from Ref. [46]. Copyright 2023, John Wiley and Sons.
Fig. 6. Various kinds of Fe-based catalysts for NRR. (a) The structure of the bionic inspired designed FeWSx catalyst. Reprinted with permission from Ref. [48]. Copyright 2021, John Wiley and Sons. (b) C18@Fe3P/CP could effectively suppress competing HER. Reprinted with permission from Ref. [49]. Copyright 2021, Springer Nature. (c) Schematic illustration of the synthesis of FeSC by the strategy of sulfur tethering. Reprinted with permission from Ref. [50]. Copyright 2022, American Chemical Society. (d) Schematic illustration of the synthesis of Fe1Sx@TiO2 catalyst. Reprinted with permission from Ref. [51]. Copyright 2022, John Wiley and Sons. (e) PdFe1 could effectively enrich and activate N2 molecules. Reprinted with permission from Ref. [52]. Copyright 2022, John Wiley and Sons.
Fig. 7. Recently reported other transition metal atom-based catalysts for NRR. (a) Exfoliated NiPS3 nanosheets. Reprinted with permission from Ref. [57]. Copyright 2022, Elsevier. (b) Schematic representation of the synthesis of the IVR-FO/GDY iron vacancy-rich catalyst. Reprinted with permission from Ref. [62]. Copyright 2021, John Wiley and Sons. (c) Physical characterizations of Ru SAs/GDY/G. Reprinted with permission from Ref. [63]. Copyright 2023, American Chemical Society. (d) Gibbs energy profiles and selected structural information for the NRR processes taking place at the Ta-O6-a, and the Ta-N6-a sites, respectively. Reprinted with permission from Ref. [64]. Copyright 2021, Elsevier.
Fig. 8. Recently reported non-metallic-based catalysts for NRR. (a) Representation of black phosphorus and the SEM image. Reprinted with permission from Ref. [81]. Copyright 2019, John Wiley and Sons. (b) Cross-sectional SEM image of an individual CN coated C fiber and its atomic model. Reprinted with permission from Ref. [82]. Copyright 2020, American Chemical Society. (c) Schematic illustration of the fabrication process of 3D nanoporous B13C2. Reprinted with permission from Ref. [83]. Copyright 2021, John Wiley and Sons. (d) Mechanism of capture and activation of N2 through the pulling effect of frustrated Lewis pairs. Reprinted with permission from Ref. [84]. Copyright 2022, John Wiley and Sons. (e) The Gibbs free energy diagrams for NRR on different sites (Site 1, Site 2, and Site 6) of PBDT-TT. Reprinted with permission from Ref. [85]. Copyright 2022, John Wiley and Sons.
Items | Strength | Weakness |
---|---|---|
Mo-based catalysts | optimized adsorption; improved activation | severe competitive HER |
Cu-based catalysts | regulate the local electronic configuration; optimized adsorption | high cost |
Ru-based catalysts | optimized adsorption; improved activation | high cost; severe competitive HER |
Bi-based catalysts | tunable adsorption; tunable activity | poor stability |
Fe-based catalysts | high selectivity; high yield | poor stability |
Other metal-based catalysts | improved activity | low selectivity |
Nonmetallic-based catalyst | high selectivity; low cost | low yield |
Table 1 Comparison of different types of catalysts.
Items | Strength | Weakness |
---|---|---|
Mo-based catalysts | optimized adsorption; improved activation | severe competitive HER |
Cu-based catalysts | regulate the local electronic configuration; optimized adsorption | high cost |
Ru-based catalysts | optimized adsorption; improved activation | high cost; severe competitive HER |
Bi-based catalysts | tunable adsorption; tunable activity | poor stability |
Fe-based catalysts | high selectivity; high yield | poor stability |
Other metal-based catalysts | improved activity | low selectivity |
Nonmetallic-based catalyst | high selectivity; low cost | low yield |
Fig. 10. Some recently reported novel reactor for NRR. (a) The proposed stand-alone sustainable farm with the PV-EC system. Reprinted with permission from Ref. [90]. Copyright 2022, Elsevier. (b) Schematic illustration of the N2-microextractor. Reprinted with permission from Ref. [92]. Copyright 2022, John Wiley and Sons. (c) The proposed CO2-tolerant proton-conducting La5.5WO11.25-δ membrane reactor. Reprinted with permission from Ref. [95]. Copyright 2023, Elsevier. (d) Schematic and configuration of the continuous-flow reactor [96].
Fig. 11. Some recent reports about the regulation and optimization of NRR mechanism. (a) The proposed strategy of ZIF-induced electron-deficient sites and then lower d-band to weaken catalyst-H interactions. Reprinted with permission from Ref. [99]. Copyright 2020, John Wiley and Sons. (b) Mechanism of catalytic recycling of lithium intermediates. Reprinted with permission from Ref. [100]. Copyright 2021, John Wiley and Sons. (c) Integrated/cascade plasma-enabled N2 oxidation and electrocatalytic NOx- (where x = 2, 3) reduction reaction. Reprinted with permission from Ref. [105]. Copyright 2022, American Chemical Society. (d) Schematic diagram of NOR and NRR process at the anode and cathode chamber by pulsed electrocatalysis. Reprinted with permission from Ref. [106]. Copyright 2023, John Wiley and Sons.
Fig. 12. Visual comparison of various strategies or approaches for promoting NRR performance, illustrating that enhancement of NRR performance requires the collaborative improvement of multiple aspects.
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