南方科技大学知识苑(SUSTech KC): Preparation, characterization, and application of Cu-based catalysts in electrocatalytic reduction of nitrate: A review

题名	Preparation, characterization, and application of Cu-based catalysts in electrocatalytic reduction of nitrate: A review
作者	Chen, Yujuan 1,2; Li, Sen 1,2,3; Wang, Yuanhao4 ; Huang, Lei 3; Yu, Xiaofang 3
通讯作者	Li, Sen
发表日期	2024-10
DOI	10.1016/j.mtchem.2024.102326
发表期刊	Materials Today Chemistry 影响因子和分区
EISSN	2468-5194
卷号	41
摘要	Nitrate-nitrogen (NO3⁻-N) pollution has become a major global concern because it affects the nitrogen cycle and causes risks to ecosystems and the health of mankind. Electrocatalytic reduction of nitrate (NO3RR) is notable for its high efficiency and unique advantages. In recent years, Cu-based catalysts, characterized by their cost-effective, high-energy storage, and high activity, have shown excellent catalytic performance in enhancing NO3RR reactions. These include nano-copper, single-atom copper, copper oxide, cuprous oxide, copper-metal composites, and supported copper-based catalysts, all of which have widespread application in NO3RR. However, a systematic and comprehensive review of studies about the synthesis, characterization, and application of Cu-based catalysts is lacking. Therefore, in this paper, the catalytic pathway for electrocatalytic nitrate reduction to NH3 and N2 is revealed with the help of an array of characterization techniques. A detailed review of characterization techniques and synthesis methods of Cu-based catalysts is presented. The catalytic performance of Cu-based catalysts in the NO3RR system is evaluated. The reusability of the Cu-based catalyst and the impact of the primary operational parameters (pH of the solution, current density, catalyst dosage, initial NO3⁻-N concentration, electrolyte, etc.) in the NO3RR system are discussed. Three typical functions of density functional theory (DFT) in NO3RR systems are introduced. Finally, some opportunities and challenges for this field of study are suggested. © 2024 Elsevier Ltd
收录类别	EI
语种	英语
学校署名	其他
资助项目	Supporting matrixes play an important role in Cu-based catalyst/NORR. Commonly used supporting matrixes for Cu-based catalysts include Ni foams (NF), Cu foams (CF), carbon felts, graphite felts, glassy carbon (GCE), carbon clothes (CC), and carbon paper, which protect and support Cu-based catalysts [38,125,165,209]. However, in NORR, researchers have focused on Cu-based catalysts, ignoring the influence and role of supporting matrixes. Currently, only Li's team has published a paper on the effect of three different supporting matrixes (NF, CF and CC) on the NORR performance of Cu-based catalysts [38]. They prepared three electrodes, Cu@NF, Cu@CF and Cu@CC, by supporting Cu-based catalysts onto NF, CF and CC by electrodeposition. Among them, the surface morphology of Cu@NF showed a uniform dendrite structure. When CF and CC were used as support, agglomeration of Cu-based catalysts occurred. In addition, electrochemical experiments and DFT showed that Ni atoms have strong adsorption capacity for H, and NF can introduce Ni atoms into Cu-based catalysts to promote the generation of H, reduce the overpotential, and make NO− reduce rapidly through the H pathway. Therefore, the order of electrocatalytic activities of the Cu catalysts formed on the three supports is Cu@NF > Cu@CF > Cu@CC. The reason for the superiority of Cu@CF over Cu@CC is the good electronic conductivity of CF. In summary, we can preliminarily conclude that supporting matrixes may affect the surface morphology and catalytic performance of Cu-based catalysts and can influence the reaction path under specific conditions (Fig. 5). There is no relevant research on how supporting matrixes affect the morphology, structure, and catalytic performance of Cu-based catalysts and what role they play in NORR. Meanwhile, there is a lack of relevant studies to distinguish between them.This work was financially supported by the National Natural Science Foundation of China (Project No. 22266009); Guizhou Science and Technology Plan Project (Guizhou Science Support [2024] General 118); Doctoral Research Fund of Guizhou Normal University, China (GZNUD [2019]6).
出版者	Elsevier Ltd
EI入藏号	20243917112661
EI主题词	Bioremediation ; Electrolytic reduction ; Nitrates ; Reusability
EI分类号	:1501.3 ; :1502.1 ; :1502.4 ; :201.3.1 ; Chemical Reactions:802.2 ; Inorganic Compounds:804.2
来源库	EV Compendex
引用统计
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/841009
专题	南方科技大学
作者单位	1.School of Geography and Environmental Sciences, Guizhou Normal University, Guiyang; 550000, China 2.Guizhou Normal University National Key Laboratory Breeding Base of Karst Mountain Ecological Environment in Guizhou Province, Guiyang; 550000, China 3.Center of R&D, Guizhou Merit Environmental Technology Co., Ltd, Guiyang; 550000, China 4.Engineering Technology Innovation Center, Southern University of Science and Technology, Beijing; 518055, China
推荐引用方式 GB/T 7714	Chen, Yujuan,Li, Sen,Wang, Yuanhao,et al. Preparation, characterization, and application of Cu-based catalysts in electrocatalytic reduction of nitrate: A review[J]. Materials Today Chemistry,2024,41.
APA	Chen, Yujuan,Li, Sen,Wang, Yuanhao,Huang, Lei,&Yu, Xiaofang.(2024).Preparation, characterization, and application of Cu-based catalysts in electrocatalytic reduction of nitrate: A review.Materials Today Chemistry,41.
MLA	Chen, Yujuan,et al."Preparation, characterization, and application of Cu-based catalysts in electrocatalytic reduction of nitrate: A review".Materials Today Chemistry 41(2024).