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Yuan X, Hao W, Teng Y, Zhang H, Han C, Zhang X, Li Z, Ibhadon AO, Teng F. Effect of multi-interface electron transfer on water splitting and an innovative electrolytic cell for synergistic hydrogen production and degradation. CHEMOSPHERE 2024; 356:141929. [PMID: 38604520 DOI: 10.1016/j.chemosphere.2024.141929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 03/21/2024] [Accepted: 04/05/2024] [Indexed: 04/13/2024]
Abstract
The cleaning and utilization of industry wastewater are still a big challenge. In this work, we mainly investigate the effect of electron transfer among multi-interfaces on water electrolysis reaction. Typically, the CoS2, Co3S4/CoS2 (designated as CS4-2) and Co3S4/Co9S8/CoS2 (designated as CS4-8-2) samples are prepared on a large scale by one-step molten salt method. It is found that because of the different work functions (designated as WF; WF(Co3S4) = 4.48eV, WF(CoS2) = 4.41eV, WF(Co9S8) = 4.18 eV), the effective heterojunctions at the multi-interfaces of CS4-8-2 sample, which obviously improve interface charge transfer. Thus, the CS4-8-2 sample shows an excellent oxygen evolution reaction (OER) activity (134 mV/10 mA cm-2, 40 mV dec-1). The larger double-layer capacitance (Cdl = 17.1 mF cm-2) of the CS4-8-2 sample indicates more electrochemical active sites, compared to the CoS2 and CS4-2 samples. Density functional theory (DFT) calculation proves that due to interface polarization under electric field, the multi-interfaces effectively promote electron transfer and regulate electron structure, thus promoting the adsorption of OH- and dissociation of H2O. Moreover, an innovative norfloxacin (NFX) electrolytic cell (EC) is developed through introducing NFX into the electrolyte, in which efficient NFX degradation and hydrogen production are synergistically achieved. To reach 50 mA cm-2, the required cell voltage of NFX-EC has decreased by 35.2%, compared to conventional KOH-EC. After 2h running at 1 V, 25.5% NFX was degraded in the NFX EC. This innovative NFX-EC is highly energy-efficient, which is promising for the synergistic cleaning and utilization of industry wastewater.
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Affiliation(s)
- Xinjing Yuan
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China; Donghai Laboratory, Zhoushan, 316021, China
| | - Weiyi Hao
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China
| | - Yiran Teng
- Nanjing Software Research Institute of China United Network Communications Co., Ltd, 230 Lushan Road, Nanjing 210004, China
| | - Hanming Zhang
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China
| | - Chengyue Han
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China
| | - Xinyu Zhang
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China
| | - Zhihui Li
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China
| | - Alex O Ibhadon
- Department of Chemical Engineering, University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
| | - Fei Teng
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Jiangsu Engineering and Technology Research Center of Environmental Cleaning Materials (ECM), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 19 Ningliu Road, Nanjing 210044, China; Donghai Laboratory, Zhoushan, 316021, China.
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Jiang XY, Kwon E, Wen JC, Bedia J, Thanh BX, Ghotekar S, Lee J, Tsai YC, Ebrahimi A, Lin KYA. Direct growth of nano-worm-like Cu 2S on copper mesh as a hierarchical 3D catalyst for Fenton-like degradation of an imidazolium room-temperature ionic liquid in water. J Colloid Interface Sci 2023; 638:39-53. [PMID: 36731217 DOI: 10.1016/j.jcis.2023.01.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
The increasing consumption of room-temperature ionic liquids (RTILs) inevitably releases RTILs into the water environment, posing serious threats to aquatic ecology due to the toxicities of RTILs. Thus, urgent needs are necessitated for developing useful processes for removing RTILs from water, and 1-butyl-3-methylimidazolium chloride (C4mimCl), the most common RTIL, would be the most representative RTIL for studying the removal of RTILs from water. As advanced oxidation processes with hydrogen peroxide (HP) are validated as useful approaches for eliminating emerging contaminants, developing advantageous heterogeneous catalysts for activating HP is the key to the successful degradation of C4mim. Herein, a hierarchical structure is fabricated by growing Cu2S on copper mesh (CSCM) utilizing CM as a Cu source. Compared to its precursor, CuO@CM, this CSCM exhibited tremendously higher catalytic activity for catalyzing HP to degrade C4mim efficiently because CSCM exhibits much more superior electrochemical properties and reactive sites, allowing CSCM to degrade C4mim rapidly. CSCM also exhibits a smaller Ea of C4mim elimination than all values in the literature. CSCM also shows a high capacity and stability for activating HP to degrade C4mim in the presence of NaCl and seawater. Besides, the mechanistic investigation of C4mim elimination by CSCM-activated HP has also been clarified and ascribed to OH and 1O2. The elimination route could also be examined and disclosed in detail through the quantum computational chemistry, confirming that CSCM is a useful catalyst for catalyzing HP to degrade RTILs.
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Affiliation(s)
- Xin-Yu Jiang
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 402, Taiwan
| | - Eilhann Kwon
- Department of Earth Resources and Environmental Engineering, Hanyang University, SeongDong-Gu, Seoul, Republic of Korea
| | - Jet-Chau Wen
- National Yunlin University of Science and Technology, Douliu, Yunlin County, Taiwan
| | - Jorge Bedia
- Chemical Engineering Department, Facultad de Ciencias, Universidad Autonoma de Madrid, Campus Cantoblanco, Madrid E-28049, Spain
| | - Bui Xuan Thanh
- Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Viet Nam
| | - Suresh Ghotekar
- Department of Chemistry, Smt. Devkiba Mohansinhji Chauhan College of Commerce & Science, University of Mumbai, Silvassa 396 230, Dadra and Nagar Haveli (UT), India
| | - Jechan Lee
- Department of Global Smart City & School of Civil, Architectural Engineering, and Landscape Architecture, Sungkyunkwan University, Suwon 16419, Republic of Korea.
| | - Yu-Chih Tsai
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 402, Taiwan
| | - Afshin Ebrahimi
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran; Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kun-Yi Andrew Lin
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 402, Taiwan.
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Deng R, Guo M, Wang C, Zhang Q. Recent advances in cobalt phosphide-based materials for electrocatalytic water splitting: From catalytic mechanism and synthesis method to optimization design. NANO MATERIALS SCIENCE 2022. [DOI: 10.1016/j.nanoms.2022.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Nanoneedle-Assembled Copper/Cobalt sulfides on nickel foam as an enhanced 3D hierarchical catalyst to activate monopersulfate for Rhodamine b degradation. J Colloid Interface Sci 2021; 613:168-181. [PMID: 35033763 DOI: 10.1016/j.jcis.2021.11.186] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 11/22/2022]
Abstract
While metal oxides are conventionally proposed for activating monopersulfate (MPS) to degrade refractory contaminants, metal sulfides have recently gained increased attention for MPS activation because these sulfides exhibit more reactive redox characteristics to enhance the catalytic activation of MPS. The present study attempts to develop a novel material comprised of metal sulfides with 3D hierarchical nanostructures to activate MPS. Specifically, a 3D hierarchically structured catalyst was fabricated by growing CuCo-layered double hydroxide (LDH) on nickel foam (NF), followed by direct sulfurization, affording Cu/CoS@NF (CCSNF). CCSNF could exhibit a unique morphology of floral bunches comprised of nano-needles, residing on the NF surfaces. Compared with its precursor, CuCo-LDH@NF, oxide analogue, and CuCo2O4@NF, CCSNF possessed superior physical and chemical properties, including larger surface area and pore volume, higher current density, and lower charge transfer resistance. These features render CCSNF a much more effective catalyst than CuCo-LDH@NF and CuCo2O4@NF for activating MPS to degrade Rhodamine B (RB). In particular, RB degradation by CCSNF-activated MPS required an activation energy only 26.8 kJ/mol, which is much lower than the reported values. The activation mechanism and degradation pathway of RB degradation by CCSNF-activated MPS were investigated and validated through experimental evidences and density function theory calculations.
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Dong Y, Ran J, Liu Q, Zhang G, Jiang X, Gao D. Hydrogen-etched CoS 2 to produce a Co 9S 8@CoS 2 heterostructure electrocatalyst for highly efficient oxygen evolution reaction. RSC Adv 2021; 11:30448-30454. [PMID: 35480289 PMCID: PMC9041110 DOI: 10.1039/d1ra05677h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 09/07/2021] [Indexed: 01/07/2023] Open
Abstract
There is a pressing requirement for developing high-efficiency non-noble metal electrocatalysts in oxygen evolution reactions (OER), where transition metal sulfides are considered to be promising electrocatalysts for the OER in alkaline medium. Herein, we report the outstanding OER performance of Co9S8@CoS2 heterojunctions synthesized by hydrogen etched CoS2, where the optimized heterojunction shows a low η50 of 396 mV and a small Tafel slope of 181.61 mV dec−1. The excellent electrocatalytic performance of this heterostructure is attributed to the interface electronic effect. Importantly, the post-stage characterization results indicate that the Co9S8@CoS2 heterostructure exhibits a dynamic reconfiguration during the OER with the formation of CoOOH in situ, and thus exhibits a superior electrocatalytic performance. Herein, we report the outstanding OER performance of Co9S8@CoS2 heterojunctions synthesized by hydrogen etched CoS2, where the optimized heterojunction shows a low η50 of 396 mV and a small Tafel slope of 181.61 mV dec−1.![]()
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Affiliation(s)
- Yucan Dong
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
| | - Jiaqi Ran
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
| | - Qun Liu
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
| | - Guoqiang Zhang
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
| | - Xingdong Jiang
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
| | - Daqiang Gao
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University Lanzhou 730000 People's Republic of China
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Yao D, Gu L, Zuo B, Weng S, Deng S, Hao W. A strategy for preparing high-efficiency and economical catalytic electrodes toward overall water splitting. NANOSCALE 2021; 13:10624-10648. [PMID: 34132310 DOI: 10.1039/d1nr02307a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electrolyzing water technology to prepare high-purity hydrogen is currently an important field in energy development. However, the preparation of efficient, stable, and inexpensive hydrogen production technology from electrolyzed water is a major problem in hydrogen energy production. The key technology for hydrogen production from water electrolysis is to prepare highly efficient catalytic, stable and durable electrodes, which are used to reduce the overpotential of the hydrogen evolution reaction and the oxygen evolution reaction of electrolyzed water. The main strategies for preparing catalytic electrodes include: (i) choosing cheap, large specific surface area and stable base materials, (ii) modulating the intrinsic activity of the catalytic material through elemental doping and lattice changes, and (iii) adjusting the morphology and structure to increase the catalytic activity. Based on these findings, herein, we review the recent work in the field of hydrogen production by water electrolysis, introduce the preparation of catalytic electrodes based on nickel foam, carbon cloth and new flexible materials, and summarize the catalytic performance of metal oxides, phosphides, sulfides and nitrides in the hydrogen evolution and oxygen evolution reactions. Secondly, parameters such as the overpotential, Tafel slope, active site, turnover frequency, and stability are used as indicators to measure the performance of catalytic electrode materials. Finally, taking the material cost of the catalytic electrode as a reference, the successful preparations are comprehensively compared. The overall aim is to shed some light on the exploration of high-efficiency and economical electrodes in energy chemistry and also demonstrate that there is still room for discovering new combinations of electrodes including base materials, composition lattice changes and morphologies.
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Affiliation(s)
- Dongxue Yao
- University of Shanghai for Science and Technology, Shanghai 200093, P. R. China.
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Shi Z, Qi X, Zhang Z, Song Y, Zhang J, Guo C, Xu W, Liu K, Zhu Z. Interface engineering of cobalt-sulfide-selenium core-shell nanostructures as bifunctional electrocatalysts toward overall water splitting. NANOSCALE 2021; 13:6890-6901. [PMID: 33885490 DOI: 10.1039/d1nr00987g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The number of active sites and stability of the structure of electrocatalysts are the key factors in the process of overall water splitting. In this paper, cobalt-sulfide-selenium (Se:CoS2-x) core-shell nanostructures are prepared by a simple two-step method, including hydrothermal reaction and chemical vapor deposition. The resulting product exhibits excellent electrochemical performance, owing to the synergistic effects between CoS2 and CoSe1-x, as well as the plentiful active sites in the electrode structure. The Se:CoS2-x material shows a more improved hydrogen evolution reaction activity compared to CoS2 and Co(OH)Cl precursor catalysts, with a low overpotential of only 240 mV achieved at 10 mA cm-2. Meanwhile, Se:CoS2-x as a bifunctional water splitting catalyst also shows remarkably improved oxygen evolution reaction activity, with a low overpotential of only 1.32 V at 10 mA cm-2. The above results show that selenide/sulfide materials provide a new research direction for discovering high-performance and cheap electrode materials.
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Affiliation(s)
- Zhengtian Shi
- College of Advanced Interdisciplinary Studies & Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha, 410073, China.
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