Journal of Industrial and Engineering Chemistry最新文献

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CO2-adsorption and kinetic studies of zeolites synthesized from halloysite 高岭土合成沸石的co2吸附及动力学研究
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-09-01 DOI: 10.1016/j.jiec.2026.09.004
D. Ballesteros-Plata,S. Essih,A. Infantes-Molina,F. Franco,E. Vilarrasa-García,E. Rodríguez-Castellón,J.A. Cecilia
{"title":"CO2-adsorption and kinetic studies of zeolites synthesized from halloysite","authors":"D. Ballesteros-Plata,S. Essih,A. Infantes-Molina,F. Franco,E. Vilarrasa-García,E. Rodríguez-Castellón,J.A. Cecilia","doi":"10.1016/j.jiec.2026.09.004","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.09.004","url":null,"abstract":"","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"11 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148896010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pore-Regulation strategy of AlFum mediated by polyethyleneimine for CO2 capture 聚乙烯亚胺介导AlFum对CO2捕集的孔隙调控策略
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-09-01 DOI: 10.1016/j.jiec.2026.08.050
Wenzheng Hou,Duoyong Zhang,Jiarui Ji,Xinnan Cui,Huashan Bao,Chen Zhang,Liwei Wang
{"title":"Pore-Regulation strategy of AlFum mediated by polyethyleneimine for CO2 capture","authors":"Wenzheng Hou,Duoyong Zhang,Jiarui Ji,Xinnan Cui,Huashan Bao,Chen Zhang,Liwei Wang","doi":"10.1016/j.jiec.2026.08.050","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.08.050","url":null,"abstract":"","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"1 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148895076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanism-guided functionalization of graphene oxide–based adsorbents for the removal of heavy metal ions from water: A review 氧化石墨烯基吸附剂去除水中重金属离子的机理引导功能化研究进展
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-09-01 DOI: 10.1016/j.jiec.2026.08.040
Yibei Fan,Shengchi Feng,Yongrui Zhang,Peng Chee Tan
{"title":"Mechanism-guided functionalization of graphene oxide–based adsorbents for the removal of heavy metal ions from water: A review","authors":"Yibei Fan,Shengchi Feng,Yongrui Zhang,Peng Chee Tan","doi":"10.1016/j.jiec.2026.08.040","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.08.040","url":null,"abstract":"","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"8 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148895078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Covalent organic frameworks (COFs) for energy conversion and storage: bridging photocatalysis, electrocatalysis, and supercapacitors 用于能量转换和存储的共价有机框架(COFs):桥接光催化、电催化和超级电容器
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-08-18 DOI: 10.1016/j.jiec.2026.08.022
Manal F. Abou Taleb, Hanan A. Albalwi, Mohamed M. Ibrahim
{"title":"Covalent organic frameworks (COFs) for energy conversion and storage: bridging photocatalysis, electrocatalysis, and supercapacitors","authors":"Manal F. Abou Taleb, Hanan A. Albalwi, Mohamed M. Ibrahim","doi":"10.1016/j.jiec.2026.08.022","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.08.022","url":null,"abstract":"","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"21 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148756722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recover high-purity FePO4 synchronously during the lithium extraction from mixed spent lithium iron phosphate powder 从混合废磷酸铁锂粉中同步提取高纯FePO4
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-08-12 DOI: 10.1016/j.jiec.2026.08.010
Xiaolong Dai, Tiangui Qi, Xiaobin Li, Zhihong Peng, Guihua Liu, Qiusheng Zhou, Yilin Wang, Leiting Shen, Jian Guo
{"title":"Recover high-purity FePO4 synchronously during the lithium extraction from mixed spent lithium iron phosphate powder","authors":"Xiaolong Dai, Tiangui Qi, Xiaobin Li, Zhihong Peng, Guihua Liu, Qiusheng Zhou, Yilin Wang, Leiting Shen, Jian Guo","doi":"10.1016/j.jiec.2026.08.010","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.08.010","url":null,"abstract":"Conventional lithium extraction methods from spent lithium iron phosphate (LFP) battery generate substantial quantities of intractable residues enriched with iron and phosphorus. This study proposed a novel two-stage method for the simultaneous recovery of lithium, iron, and phosphorus from mixed spent LFP powder. In the first stage, the powder was reacted with nitric acid solution at 25℃, achieving leaching efficiencies of over 95% for lithium, iron, and phosphorus. The leachate was then regulated and fed into the second stage, a high-temperature (105°C) precipitation process, where iron and phosphorus in the solution are selectively precipitated as FePO<ce:inf loc=\"post\">4</ce:inf>·2H<ce:inf loc=\"post\">2</ce:inf>O. After calcination, the precipitate yielded anhydrous FePO<ce:inf loc=\"post\">4</ce:inf> product. It was proposed to supplement the leachate with fluoride to complex aluminum and reduce its co-precipitation. Copper in the leachate was removed by displacement with iron powder. The aluminum and copper contents in the final FePO<ce:inf loc=\"post\">4</ce:inf> product were reduced to 0.021% and 0.001%, respectively, and the product purity meets the requirements for battery production. The lithium-containing solution after the precipitation process could be recycled as Li<ce:inf loc=\"post\">2</ce:inf>CO<ce:inf loc=\"post\">3</ce:inf> through purification and lithium precipitation. The proposed method improves resource utilization efficiency and reduces the generation of lithium-extracted residues, which will benefit the sustainable development of the LFP battery industry.","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"8 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148717585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coal gangue modified biochar for adsorption and degradation of carbamazepine and ibuprofen from wastewater: Mechanisms and ecological risk assessment 煤矸石改性生物炭对废水中卡马西平和布洛芬的吸附和降解:机理和生态风险评估
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-07-16 DOI: 10.1016/j.jiec.2026.07.008
Tao Jiang, Bing Wang, Xueyang Zhang, Masud Hassan
{"title":"Coal gangue modified biochar for adsorption and degradation of carbamazepine and ibuprofen from wastewater: Mechanisms and ecological risk assessment","authors":"Tao Jiang, Bing Wang, Xueyang Zhang, Masud Hassan","doi":"10.1016/j.jiec.2026.07.008","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.07.008","url":null,"abstract":"","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"2020 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148460904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Persulfate-derived black nickel for chloride-free cobalt removal and battery-grade nickel sulfate production from crude nickel sulfate liquor 从粗硫酸镍液中脱除无氯钴和生产电池级硫酸镍的过硫酸盐衍生黑镍
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-06-24 DOI: 10.1016/j.jiec.2026.06.034
Yaoyu Yan, Shuchen Sun, Jing Wei, Xinfeng Zhou, Shubo A, Faxin Xiao, Ganfeng Tu
{"title":"Persulfate-derived black nickel for chloride-free cobalt removal and battery-grade nickel sulfate production from crude nickel sulfate liquor","authors":"Yaoyu Yan, Shuchen Sun, Jing Wei, Xinfeng Zhou, Shubo A, Faxin Xiao, Ganfeng Tu","doi":"10.1016/j.jiec.2026.06.034","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.06.034","url":null,"abstract":"Deep cobalt removal from crude nickel sulfate liquor is essential for producing battery-grade NiSO<ce:inf loc=\"post\">4</ce:inf>·6H<ce:inf loc=\"post\">2</ce:inf>O, yet remains challenging because Co and Ni exhibit similar aqueous chemistry and conventional chlorine-based oxidants introduce Cl⁻ into sulfate systems. Herein, a chloride-free purification-crystallization route was developed, in which sodium persulfate induced the oxidative reconstruction of Ni(OH)<ce:inf loc=\"post\">2</ce:inf> into Ni(III)-rich black nickel, operationally defined here as a low-crystallinity nickel hydroxide/oxyhydroxide solid containing NiOOH-like high-valence Ni species, for selective Co removal, followed by Fe/As oxidative coprecipitation, Zn/Cu/Pb sulfide precipitation and evaporative crystallization. The Na<ce:inf loc=\"post\">2</ce:inf>S<ce:inf loc=\"post\">2</ce:inf>O<ce:inf loc=\"post\">8</ce:inf>-derived black nickel exhibited a relative surface Ni(III) peak-area fraction derived from Ni 2p<ce:inf loc=\"post\">3</ce:inf>/<ce:inf loc=\"post\">2</ce:inf> fitting of 64.42%, markedly higher than that of NaClO-derived black nickel, supporting the formation of NiOOH-like redox-active phases. Under the preferred conditions, Co decreased from 0.852 to 0.006 g·L⁻<ce:sup loc=\"post\">1</ce:sup> with negligible Ni loss. Structural characterization revealed that Co was immobilized mainly as low-crystallinity Co-bearing Ni-Co-O/OH solids through interfacial electron transfer between Co(II) and Ni(III)-rich sites. Subsequent Fe/As oxidative coprecipitation and Zn/Cu/Pb sulfide precipitation reduced Fe, As, Cu, Zn, Pb and Co to 0.0015, &lt;0.0001, 0.0032, 0.006, 0.0005 and ≤ 0.001 g·L⁻<ce:sup loc=\"post\">1</ce:sup>, respectively. After crystallization and cold saturated NiSO<ce:inf loc=\"post\">4</ce:inf> washing, the NiSO<ce:inf loc=\"post\">4</ce:inf>·6H<ce:inf loc=\"post\">2</ce:inf>O product contained 22.26 wt% Ni, with all measured impurities below battery-grade limits. This work establishes persulfate-derived black nickel as a sulfate-compatible front-end Co removal unit and demonstrates its integration with downstream purification and crystallization, providing a practical route for upgrading crude nickel sulfate liquor to battery-grade nickel sulfate without chloride accumulation.","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"32 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148313247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing piezocatalytic activity of graphitic carbon nitride via iron single-atom modifying for H2 evolution and rhodamine b degradation 铁单原子修饰提高石墨氮化碳的析氢和罗丹明b降解压催化活性
IF 6.1 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-06-24 DOI: 10.1016/j.jiec.2026.06.029
Xianfa Jiang, Xiyu He, Kaiwen Yang, Fuquan Wang, Chenhui Liu
{"title":"Enhancing piezocatalytic activity of graphitic carbon nitride via iron single-atom modifying for H2 evolution and rhodamine b degradation","authors":"Xianfa Jiang, Xiyu He, Kaiwen Yang, Fuquan Wang, Chenhui Liu","doi":"10.1016/j.jiec.2026.06.029","DOIUrl":"https://doi.org/10.1016/j.jiec.2026.06.029","url":null,"abstract":"Global energy scarcity and environmental pollution drive the pursuit of green catalytic technologies. Piezocatalysis, which converts ubiquitous mechanical energy from sources such as water flow and ambient vibration, offers a sustainable route for hydrogen evolution and pollutant degradation. Graphitic carbon nitride (g-C<ce:inf loc=\"post\">3</ce:inf>N<ce:inf loc=\"post\">4</ce:inf>) is a promising piezocatalyst owing to its inherent in-plane piezoelectricity. However, its practical application is hindered by rapid charge recombination and a scarcity of active sites. Here, we propose a facile strategy to anchor atomically dispersed Fe-N-C motifs onto g-C<ce:inf loc=\"post\">3</ce:inf>N<ce:inf loc=\"post\">4</ce:inf>, significantly boosting its piezocatalytic activity. The isolated iron centers promote in-plane piezoelectric polarization through tailored charge redistribution. They also act as active sites that improve electron transfer and reactant adsorption. Under ultrasonic irradiation, Fe-N-C/g-C<ce:inf loc=\"post\">3</ce:inf>N<ce:inf loc=\"post\">4</ce:inf> achieves a H<ce:inf loc=\"post\">2</ce:inf> evolution rate of 5.15 mmol g<ce:sup loc=\"post\">-1</ce:sup>h<ce:sup loc=\"post\">−1</ce:sup> and degrades rhodamine B with a rate constant of 0.095 min<ce:sup loc=\"post\">−1</ce:sup>. These results substantially surpass those of pure g-C<ce:inf loc=\"post\">3</ce:inf>N<ce:inf loc=\"post\">4</ce:inf> and are highly competitive with recently reported g-C<ce:inf loc=\"post\">3</ce:inf>N<ce:inf loc=\"post\">4</ce:inf>-based piezocatalysts. Our findings demonstrate that single-atom modification not only serves as a powerful approach to enhance polarization but also highlights the promise of multi-site atomic engineering for advancing piezocatalytic performance.","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"137 1","pages":""},"PeriodicalIF":6.1,"publicationDate":"2026-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148313248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Water-stable halide perovskite nanocomposite with dual S-scheme for enhanced photocatalysis 具有双s方案的水稳定卤化物钙钛矿纳米复合材料增强光催化
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-07-22 DOI: 10.1016/j.jiec.2025.07.051
Walaa Omer , Hamza El-Hosainy , Haitham M. El-Bery , Maged El-Kemary
{"title":"Water-stable halide perovskite nanocomposite with dual S-scheme for enhanced photocatalysis","authors":"Walaa Omer ,&nbsp;Hamza El-Hosainy ,&nbsp;Haitham M. El-Bery ,&nbsp;Maged El-Kemary","doi":"10.1016/j.jiec.2025.07.051","DOIUrl":"10.1016/j.jiec.2025.07.051","url":null,"abstract":"<div><div>Lead-free halide perovskites, particularly Cs<sub>2</sub>AgBiBr<sub>6</sub>, have gained attention as promising photocatalysts due to their excellent light absorption and tunable photo-responsive properties. However, their practical application is hindered by poor stability in aqueous media and reduced efficiency in high-water environments, where Cs<sub>2</sub>AgBiBr<sub>6</sub> undergoes self-passivation by forming BiOBr, significantly decreasing its photocatalytic activity when water content exceeds 50 vol%. To overcome these limitations, we in situ coupled Cs<sub>2</sub>AgBiBr<sub>6</sub> nanoplatelets (NPLs) with g-C<sub>3</sub>N<sub>4</sub>, forming a stable Cs<sub>2</sub>AgBiBr<sub>6</sub> NPLs@g-C<sub>3</sub>N<sub>4</sub>@AgBr ternary composite in water (100 vol%). This nanocomposite demonstrated remarkable stability in water through the formation of AgBr rather than BioBr, as confirmed by various spectroscopic and diffraction techniques. The optimized 1:2 wt% ratio of Cs<sub>2</sub>AgBiBr<sub>6</sub> to g-C<sub>3</sub>N<sub>4</sub> leads to the highest degradation rate of Rhodamine B (RhB) of 0.082 min <sup>-1</sup> which was 14 times greater than Cs<sub>2</sub>AgBiBr<sub>6</sub> NPLs, g-C<sub>3</sub>N<sub>4</sub>, or AgBr alone, surpassing all previously reported Cs<sub>2</sub>AgBiBr<sub>6</sub>-based nanocomposites in both efficiency and stability. Furthermore, the scavenging action of RhB led by the heterojunction photocatalyst resulted in the elimination of 98.3 % of RhB under light. The superior photocatalytic activity of the Cs<sub>2</sub>AgBiBr<sub>6</sub> NPLs@g-C<sub>3</sub>N<sub>4</sub>@AgBr ternary composite in aqueous media was confirmed through detailed characterization, which revealed that the formation of a dual S-scheme mechanism significantly enhances interfacial charge separation and transfer, resulting in elevated photocurrent, pronounced photoluminescence quenching, and minimized charge transfer resistance. In addition, this ternary composite exhibited robust environmental stability, preserving its crystallinity and morphology after 6 months of air exposure, while maintaining consistent photocatalytic performance across 4 successive cycles in aqueous conditions. Thus, the present results introduce a novel strategy for stabilizing halide perovskites in high water content, expanding their potential for photocatalytic applications in environmental remediation and sustainable energy solutions.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 407-419"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synergistic integration of nickel oxide and low-valent copper for enhanced electrocatalytic nitrate reduction to ammonia 氧化镍和低价铜协同整合增强电催化硝酸还原制氨
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2026-03-25 Epub Date: 2025-07-23 DOI: 10.1016/j.jiec.2025.07.049
Fengjiao Quan , Pengfei Xu , Xiufan Liu , Wenjuan Shen , Yuhao Li , Jianfen Li , Yun He , Fangyuan Chen
{"title":"Synergistic integration of nickel oxide and low-valent copper for enhanced electrocatalytic nitrate reduction to ammonia","authors":"Fengjiao Quan ,&nbsp;Pengfei Xu ,&nbsp;Xiufan Liu ,&nbsp;Wenjuan Shen ,&nbsp;Yuhao Li ,&nbsp;Jianfen Li ,&nbsp;Yun He ,&nbsp;Fangyuan Chen","doi":"10.1016/j.jiec.2025.07.049","DOIUrl":"10.1016/j.jiec.2025.07.049","url":null,"abstract":"<div><div>Nitrate (NO<sub>3</sub><sup>−</sup>) pollution in groundwater has emerged as a pressing environmental issue of global concern. The excessive application of chemical fertilizers is widely recognized as the primary contributor to this pollution Nitrate ions pose significant risks to human health and the ecological environment. Electrochemical reduction of NO<sub>3</sub><sup>−</sup> to NH<sub>3</sub> (NITRR) represents an effective approach for nitrogen recovery and recycling. Among many electrode materials, copper-based catalysts were considered promising due to their low cost and strong NO<sub>3</sub><sup>−</sup> conversion capability. However, excessively strong adsorption can lead to catalyst deactivation, thereby diminishing catalytic activity. In this study, we developed an electrode material (Cu@NiO/NF) with low-valent copper (Cu<sup>δ+</sup>) through the combination of Cu and NiO, and it exhibited excellent catalytic performance in the NITRR process. At − 0.45 V vs. RHE, this catalyst achieved a Faraday efficiency of 95.7 % and an ammonia yield of 0.85 mg h<sup>−1</sup> cm<sup>−2</sup>. Further experiments and theoretical calculations demonstrate that the presence of NiO in Cu@NiO/NF stabilizes Cu<sup>δ+</sup>, thereby enhancing the charge transfer rate and promoting the formation of hydrogen radicals (H•). This work has pioneered a new avenue for the development of efficient and innovative NTIRR materials.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"155 ","pages":"Pages 387-395"},"PeriodicalIF":5.9,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146147083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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