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Sumit, Borah A, Palaniyappan S, Rajeshkhanna G. ZIF-67-derived Co-N-C supported nickel cobalt sulfide as a bifunctional electrocatalyst for sustainable hydrogen production via alkaline electrolysis. NANOSCALE 2024; 16:14020-14032. [PMID: 38989674 DOI: 10.1039/d4nr01196a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
As non-renewable resources are finite and cannot be utilized indefinitely, hydrogen (H2) has emerged as a promising alternative for clean and sustainable energy. The cost-effective hydrogen production to meet large-scale commercial demand poses a significant challenge. Water electrolysis, powered by electricity derived from renewable resources, stands out as a viable route towards sustainable hydrogen production, with electrocatalysis playing a pivotal role in this process. Notably, materials derived from metal-organic frameworks (MOFs) exhibit excellent physicochemical properties, making them promising candidates for electrocatalysis. In this study, we synthesized zeolitic imidazolate framework-67 (ZIF-67) and its derived Co-N-doped carbon (Co-N-C) supported NiCo2S4 on nickel foam (NF), namely NF@ZIF-67@NiCo2S4 and NF@Co-N-C@NiCo2S4, using a hydrothermal method. The electrocatalytic activity of these synthesized materials for both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) was systematically evaluated using various electrochemical techniques. The NF@ZIF-67@NiCo2S4 material demonstrates overpotentials of 248 and 359 mV for OER and HER at the current density of 50 mA cm-2, whereas, NF@Co-N-C@NiCo2S4 exhibits overpotentials of 239 and 351 mV, respectively. Furthermore, the catalysts exhibit excellent stability in both OER and HER even under high applied potentials. Moreover, to assess their catalytic performance in a full-cell configuration, two alkaline electrolyzer cells were assembled: NF@ZIF-67@NiCo2S4(+)∥NF@ZIF-67@NiCo2S4(-) and NF@Co-N-C@NiCo2S4(+)∥NF@Co-N-C@NiCo2S4(-). These two electrolyzers demonstrated cell potentials of 1.62 V and 1.59 V at 10 mA cm-2, respectively, showcasing their efficacy in overall water-splitting.
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Affiliation(s)
- Sumit
- Department of Chemistry, National Institute of Technology Warangal, Hanumakonda-506004, Telangana, India.
| | - Apurba Borah
- Department of Chemistry, National Institute of Technology Warangal, Hanumakonda-506004, Telangana, India.
| | - Sathishkumar Palaniyappan
- Department of Physics, Centre for Functional Materials, School of Advanced Sciences, Vellore Institute of Technology, Vellore-632014, India
| | - Gaddam Rajeshkhanna
- Department of Chemistry, National Institute of Technology Warangal, Hanumakonda-506004, Telangana, India.
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Sergiienko SA, Lajaunie L, Rodríguez-Castellón E, Constantinescu G, Lopes DV, Shcherban ND, Calvino JJ, Labrincha JA, Sofer Z, Kovalevsky AV. Composite MAX phase/MXene/Ni electrodes with a porous 3D structure for hydrogen evolution and energy storage application. RSC Adv 2024; 14:3052-3069. [PMID: 38239441 PMCID: PMC10795003 DOI: 10.1039/d3ra07335a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024] Open
Abstract
MXenes, a family of two-dimensional (2D) transition metal carbides, have been discovered as exciting candidates for various energy storage and conversion applications, including green hydrogen production by water splitting. Today, these materials mostly remain interesting objects for in-depth fundamental studies and scientific curiosity due to issues related to their preparation and environmental stability, limiting potential industrial applications. This work proposes a simple and inexpensive concept of composite electrodes composed of molybdenum- and titanium-containing MAX phases and MXene as functional materials. The concept is based on the modification of the initial MAX phase by the addition of metallic Ni, tuning Al- and carbon content and synthesis conditions, followed by fluoride-free etching under alkaline conditions. The proposed methodology allows producing a composite electrode with a well-developed 3D porous MAX phase-based structure acting as a support for electrocatalytic species, including MXene, and possessing good mechanical integrity. Electrochemical tests have shown a high electrochemical activity of such electrodes towards the hydrogen evolution reaction (HER), combined with a relatively high areal capacitance (up to 10 F cm-2).
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Affiliation(s)
- Sergii A Sergiienko
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague Technická 5, 166 28 Prague 6 Czech Republic
- Department of Materials and Ceramics Engineering, CICECO - Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro Portugal
| | - Luc Lajaunie
- Departamento de Ciencia de Los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz Campus Río San Pedro S/N, Puerto Real 11510 Cádiz Spain
- Instituto Universitario de Investigación de Microscopía Electrónica y Materiales (IMEYMAT), Facultad de Ciencias, Universidad de Cádiz Campus Río San Pedro S/N, Puerto Real 11510 Cádiz Spain
| | | | - Gabriel Constantinescu
- Department of Materials and Ceramics Engineering, CICECO - Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro Portugal
| | - Daniela V Lopes
- Department of Materials and Ceramics Engineering, CICECO - Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro Portugal
| | - Nataliya D Shcherban
- L. V. Pisarzhevsky Institute of Physical Chemistry of NAS of Ukraine 31 Nauki Ave. Kyiv 03028 Ukraine
| | - José J Calvino
- Departamento de Ciencia de Los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz Campus Río San Pedro S/N, Puerto Real 11510 Cádiz Spain
- Instituto Universitario de Investigación de Microscopía Electrónica y Materiales (IMEYMAT), Facultad de Ciencias, Universidad de Cádiz Campus Río San Pedro S/N, Puerto Real 11510 Cádiz Spain
| | - João A Labrincha
- Department of Materials and Ceramics Engineering, CICECO - Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro Portugal
| | - Zdenek Sofer
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague Technická 5, 166 28 Prague 6 Czech Republic
| | - Andrei V Kovalevsky
- Department of Materials and Ceramics Engineering, CICECO - Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro Portugal
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Munawar T, Fatima S, Batoo KM, Bashir A, Mukhtar F, Hussain S, Manzoor S, Ashiq MN, Khan SA, Koc M, Iqbal F. Synergistic effect of a bamboo-like Bi 2S 3 covered Sm 2O 3 nanocomposite (Bi 2S 3-Sm 2O 3) for enhanced alkaline OER. Phys Chem Chem Phys 2024; 26:2678-2691. [PMID: 38175550 DOI: 10.1039/d3cp05158g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
The availability of hydrogen energy from water splitting through the electrocatalytic route is strongly dependent on the efficiency, durability, and cost of the electrocatalysts. Herein, a novel Bi2S3-covered Sm2O3 (Bi2S3-Sm2O3) nanocomposite electrocatalyst was developed by a hydrothermal route for the oxygen evolution reaction (OER). The electrochemical properties were studied in 1.00 mol KOH solution after coating the target material on the stainless-steel substrate (SS). Physical analysis via XRD, FTIR, IV, TEM/EDX, and XPS revealed that the Bi2S3-Sm2O3 composite possesses metallic surface states, thereby displaying unconventional electron dynamics and purity of phases. The Bi2S3-Sm2O3 composite shows outstanding OER activity with a low overpotential of 197 mV and a Tafel slope of 74 mV dec-1 at a 10 mA cm-2 current density as compared to pure Bi2S3 and Sm2O3. Meanwhile, the composite catalyst retains high stability even after 100 h of the chronoamperometry test. Thus, this work unveils a new avenue for the speedy flow of electrons, which is attributed to the synergetic effect between Bi2S3 and Sm2O3, as well as enriched interfacial defects, which exhibit greater oxygen adsorption capability with improved electronic assemblies in the active interfacial region. In addition, the introduced porous structure in core-shell Bi2S3-Sm2O3 provides extraordinary electrical properties. Thus, this article offers a realistic framework for electrochemical energy generation.
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Affiliation(s)
- Tauseef Munawar
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Saman Fatima
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Khalid Mujasam Batoo
- College of Science, King Saud University, P.O. Box-2455, Riyadh-11451, Saudi Arabia
| | - Ambreen Bashir
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Faisal Mukhtar
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Sajjad Hussain
- Hybrid Materials Center (HMC), Sejong University, Seoul-05006, Republic of Korea
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul-05006, Republic of Korea
| | - Sumaira Manzoor
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Muhammad Naeem Ashiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Shoukat Alim Khan
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Muammer Koc
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Faisal Iqbal
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
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Moradi-Alavian S, Kazempour A, Mirzaei-Saatlo M, Ashassi-Sorkhabi H, Mehrdad A, Asghari E, Lamb JJ, Pollet BG. Promotion of hydrogen evolution from seawater via poly(aniline-co-4-nitroaniline) combined with 3D nickel nanoparticles. Sci Rep 2023; 13:21486. [PMID: 38057368 DOI: 10.1038/s41598-023-48355-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/25/2023] [Indexed: 12/08/2023] Open
Abstract
This work reports the synthesis of poly (aniline-co-4-nitroaniline) deposited on a three-dimensional nanostructured nickel (3D-Ni) film, where both layers were fabricated via potentiostatic electrodeposition. The obtained electrocatalyst exhibited excellent electrochemical activity for the Hydrogen Evolution Reaction (HER) with small overpotentials of - 195 and - 325 mV at - 10 and - 100 mAcm-2, respectively, and a low Tafel slope of 53.3 mV dec-1 in seawater. Additionally, the electrocatalyst exhibited good stability after 72 h operation under a constant potential of - 1.9 V vs. RHE. The efficient HER performance of the as-prepared catalyst was found to originate from the synergy between the conducting polymer and three-dimensional nickel nanoparticles with a large electrochemical active surface area. Moreover, the results obtained from electrochemical impedance spectroscopy (EIS) measurements revealed that the presence of 3D-Ni layer improved the kinetics of HER by reducing the charge transfer resistance for the electrocatalyst.
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Affiliation(s)
- Saleh Moradi-Alavian
- Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Amir Kazempour
- Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Meysam Mirzaei-Saatlo
- Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Habib Ashassi-Sorkhabi
- Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Abbas Mehrdad
- Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Elnaz Asghari
- Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
| | - Jacob J Lamb
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491, Trondheim, Norway
- Department of Energy and Process Engineering & ENERSENSE, Norwegian University of Science and Technology (NTNU), NO-7491, Trondheim, Norway
| | - Bruno G Pollet
- Green Hydrogen Lab, Institute for Hydrogen Research (IHR), Université du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, QC, G9A 5H7, Canada
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5
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Song G, Wu H, Jing J, Zhang X, Wang X, Li S, Zhou M. Insights into Electrochemical Dehalogenation by Non-Noble Metal Single-Atom Cobalt with High Efficiency and Low Energy Consumption. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:14482-14492. [PMID: 37699122 DOI: 10.1021/acs.est.3c06021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
It is critical to discover a non-noble metal catalyst with high catalytic activity capable of replacing palladium in electrochemical reduction. In this work, a highly efficient single-atom Co-N/C catalyst was synthesized with metal-organic frameworks (MOFs) as a precursor for electrochemical dehalogenation. X-ray absorption spectroscopy (XAS) revealed that Co-N/C exhibited a Co-N4 configuration, which had more active sites and a faster charge-transfer rate and thus enabled the efficient removal of florfenicol (FLO) at a wide pH, achieving a rate constant 3.5 and 2.1 times that of N/C and commercial Pd/C, respectively. The defluorination and dechlorination efficiencies were 67.6 and 95.6%, respectively, with extremely low Co leaching (6 μg L-1), low energy consumption (22.7 kWh kg-1), and high turnover frequency (TOF) (0.0350 min-1), demonstrating excellent dehalogenation performance. Spiking experiments and density functional theory (DFT) verified that Co-N4 was the active site and had the lowest energy barrier for forming atomic hydrogen (H*) (ΔGH*). Capture experiments, electron paramagnetic resonance (EPR), electrochemical tests, and in situ Fourier transform infrared (FTIR) proved that H* and direct electron transfer were responsible for dehalogenation. Toxicity assessment indicated that FLO toxicity decreased significantly after dehalogenation. This work develops a non-noble metal catalyst with broad application prospects in electrocatalytic dehalogenation.
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Affiliation(s)
- Ge Song
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Huizhong Wu
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Jiana Jing
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Xuyang Zhang
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Xuechun Wang
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Shuaishuai Li
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Minghua Zhou
- Key Laboratory of Pollution Process and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Advanced Water Treatment Technology International Joint Research Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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6
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Zabielaite A, Balciunaite A, Upskuviene D, Simkunaite D, Levinas R, Niaura G, Vaiciuniene J, Jasulaitiene V, Tamasauskaite-Tamasiunaite L, Norkus E. Investigation of Hydrogen and Oxygen Evolution on Cobalt-Nanoparticles-Supported Graphitic Carbon Nitride. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5923. [PMID: 37687616 PMCID: PMC10488936 DOI: 10.3390/ma16175923] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
This study focuses on fabricating cobalt particles deposited on graphitic carbon nitride (Co/gCN) using annealing, microwave-assisted and hydrothermal syntheses, and their employment in hydrogen and oxygen evolution (HER and OER) reactions. Composition, surface morphology, and structure were examined using inductively coupled plasma optical emission spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. The performance of Co-modified gCN composites for the HER and OER were investigated in an alkaline media (1 M KOH). Compared to the metal-free gCN, the modification of gCN with Co enhances the electrocatalytic activity towards the HER and OER. Additionally, thermal annealing of both Co(NO3)2 and melamine at 520 °C for 4 h results in the preparation of an effective bifunctional Co3O4/gCN catalyst for the HER with the lower Eonset of -0.24 V, a small overpotential of -294.1 mV at 10 mA cm-2, and a low Tafel slope of -29.6 mV dec-1 in a 1.0 M KOH solution and for the OER with the onset overpotential of 286.2 mV and overpotential of 422.3 mV to achieve a current density of 10 mA cm-2 with the Tafel slope of 72.8 mV dec-1.
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Affiliation(s)
- Ausrine Zabielaite
- Center for Physical Sciences and Technology (FTMC), LT-10257 Vilnius, Lithuania; (A.B.); (D.U.); (D.S.); (R.L.); (G.N.); (J.V.); (V.J.); (E.N.)
| | | | | | | | | | | | | | | | - Loreta Tamasauskaite-Tamasiunaite
- Center for Physical Sciences and Technology (FTMC), LT-10257 Vilnius, Lithuania; (A.B.); (D.U.); (D.S.); (R.L.); (G.N.); (J.V.); (V.J.); (E.N.)
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7
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Wu X, Piñeiro-García A, Rafei M, Boulanger N, Canto-Aguilar EJ, Gracia-Espino E. Scalable production of foam-like nickel-molybdenum coatings via plasma spraying as bifunctional electrocatalysts for water splitting. Phys Chem Chem Phys 2023; 25:20794-20807. [PMID: 37465860 DOI: 10.1039/d3cp01444d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Foam-like NiMo coatings were produced from an inexpensive mixture of Ni, Al, and Mo powders via atmospheric plasma spraying. The coatings were deposited onto stainless-steel meshes forming a highly porous network mainly composed of nanostructured Ni and highly active Ni4Mo. High material loading (200 mg cm-2) with large surface area (1769 cm2 per cm2) was achieved without compromising the foam-like characteristics. The coatings exhibited excellent activity towards both hydrogen evolution (HER) and oxygen evolution (OER) reactions in alkaline media. The HER active coating required an overpotential of 42 mV to reach a current density of -50 mA cm-2 with minimum degradation after a 24 h chronoamperometry test at -10 mA cm-2. Theoretical simulations showed that several crystal surfaces of Ni4Mo exhibit near optimum hydrogen adsorption energies and improved water dissociation that benefit the HER activity. The OER active coating also consisting of nanostructured Ni and Ni4Mo required only 310 mV to achieve a current density of 50 mA cm-2. The OER activity was maintained even after 48 h of continuous operation. We envisage that the development of scalable production techniques for Ni4Mo alloys will greatly benefit its usage in commercial alkaline water electrolysers.
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Affiliation(s)
- Xiuyu Wu
- Department of Physics, Umeå University, SE-901 87 Umeå, Sweden.
| | | | - Mouna Rafei
- Department of Physics, Umeå University, SE-901 87 Umeå, Sweden.
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Munawar T, Sardar S, Mukhtar F, Nadeem MS, Manzoor S, Ashiq MN, Khan SA, Koc M, Iqbal F. Fabrication of fullerene-supported La 2O 3-C 60 nanocomposites: dual-functional materials for photocatalysis and supercapacitor electrodes. Phys Chem Chem Phys 2023; 25:7010-7027. [PMID: 36809534 DOI: 10.1039/d2cp05357h] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Nowadays, water pollution and energy crises worldwide force researchers to develop multi-functional and highly efficient nanomaterials. In this scenario, the present work reports a dual-functional La2O3-C60 nanocomposite fabricated by a simple solution method. The grown nanomaterial worked as an efficient photocatalyst and proficient electrode material for supercapacitors. The physical and electrochemical properties were studied by state-of-the-art techniques. XRD, Raman spectroscopy, and FTIR spectroscopy confirmed the formation of the La2O3-C60 nanocomposite with TEM nano-graphs, and EDX mapping exhibits the loading of C60 on La2O3 particles. XPS confirmed the presence of varying oxidation states of La3+/La2+. The electrochemical capacitive properties were tested by CV, EIS, GCD, ECSA, and LSV, which indicated that the La2O3-C60 nanocomposite can be effectively used as an electrode material for durable and efficient supercapacitors. The photocatalytic test using methylene blue (MB) dye revealed the complete photodegradation of the MB dye under UV light irradiation after 30 min by a La2O3-C60 catalyst with a reusability up to 7 cycles. The lower energy bandgap, presence of deep-level emissions, and lower recombination rate of photoinduced charge carriers in the La2O3-C60 nanocomposite than those of bare La2O3 are responsible for enhanced photocatalytic activity with low-power UV irradiation. The fabrication of multi-functional and highly efficient electrode materials and photocatalysts such as La2O3-C60 nanocomposites is beneficial for the energy industry and environmental remediation applications.
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Affiliation(s)
- Tauseef Munawar
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Sonia Sardar
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | - Faisal Mukhtar
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
| | | | - Sumaira Manzoor
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Muhammad Naeem Ashiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Shoukat Alim Khan
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Muammer Koc
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Faisal Iqbal
- Institute of Physics, The Islamia University of Bahawalpur, 63100, Pakistan.
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9
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van der Heijden O, Park S, Eggebeen JJJ, Koper MTM. Non-Kinetic Effects Convolute Activity and Tafel Analysis for the Alkaline Oxygen Evolution Reaction on NiFeOOH Electrocatalysts. Angew Chem Int Ed Engl 2023; 62:e202216477. [PMID: 36533712 PMCID: PMC10108042 DOI: 10.1002/anie.202216477] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 12/23/2022]
Abstract
A large variety of nickel-based catalysts has been investigated for the oxygen evolution reaction (OER) in alkaline media. However, their reported activity, as well as Tafel slope values, vary greatly. To understand this variation, we studied electrodeposited Ni80 Fe20 OOH catalysts with different loadings at varying rotation rates, hydroxide concentrations, with or without sonication. We show that, at low current density (<5 mA cm-2 ), the Tafel slope value is ≈30 mV dec-1 for Ni80 Fe20 OOH. At higher polarization, the Tafel slope continuously increases and is dependent on rotation rate, loading, hydroxide concentration and sonication. These Tafel slope values are convoluted by non-kinetic effects, such as bubbles, potential-dependent changes in ohmic resistance and (internal) OH- gradients. As best practise, we suggest that Tafel slopes should be plotted vs. current or potential. In such a plot, it can be appreciated if there is a kinetic Tafel slope or if the observed Tafel slope is influenced by non-kinetic effects.
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Affiliation(s)
- Onno van der Heijden
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Sunghak Park
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Jordy J J Eggebeen
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Marc T M Koper
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
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Effects of heat treatment temperature on the morphology, composition, and electrocatalytic properties of electrodeposited NiB thin films towards OER. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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11
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Sahoo K, Varshney N, Das T, Mahto SK, Kumar M. Copper oxide nanoparticle: multiple functionalities in photothermal therapy and electrochemical energy storage. APPLIED NANOSCIENCE 2023. [DOI: 10.1007/s13204-023-02768-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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12
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Zhou M, Wang H, Zhang L, Li C, Kumbhar A, Abruña HD, Fang J. Facet Impact of CuMn 2O 4 Spinel Nanocatalysts on Enhancement of the Oxygen Reduction Reaction in Alkaline Media. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ming Zhou
- Department of Chemistry, State University of New York at Binghamton, Binghamton, New York13902, United States
| | - Hongsen Wang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York14853, United States
| | - Lihua Zhang
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York11973, United States
| | - Can Li
- Department of Chemistry, State University of New York at Binghamton, Binghamton, New York13902, United States
| | - Amar Kumbhar
- Chapel Hill Analytical and Nanofabrication Laboratory, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Héctor D. Abruña
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York14853, United States
| | - Jiye Fang
- Department of Chemistry, State University of New York at Binghamton, Binghamton, New York13902, United States
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13
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Xue S, Liang Y, Hou S, Zhang Y, Jiang H. Alpha-Nickel Hydroxide Coating of Metallic Nickel for Enhanced Alkaline Hydrogen Evolution. CHEMSUSCHEM 2022; 15:e202201072. [PMID: 35864065 DOI: 10.1002/cssc.202201072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 07/20/2022] [Indexed: 06/15/2023]
Abstract
In this work, alkaline hydrogen evolution reaction (HER) processes of three typical nickel-based electrocatalysts [i. e., Ni, α-Ni(OH)2 , and β-Ni(OH)2 ] were investigated to probe critical factors that determine the activity and durability. The HER activity trend was observed as Ni≫α-Ni(OH)2 >β-Ni(OH)2 , likely attributed to a synergy between metallic Ni and Ni(OH)2 components on the Ni surface and fast water dissociation kinetics on the α-Ni(OH)2 surface. With the HER proceeding, the metallic Ni surface, however, gradually became α-Ni(OH)2 , and α-Ni(OH)2 surface ultimately transformed into β-phase, leading to a dramatic activity decrease of Ni electrodes. Therefore, Ni electrodes were coated with α-Ni(OH)2 nanosheets to slow down the nickel hydroxylation and optimize the surface ratio of Ni(OH)2 to metallic Ni. This simple coating procedure enhanced both activity and durability of Ni electrocatalysts.
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Affiliation(s)
- Song Xue
- Qingdao Key Laboratory of Functional Membrane Material and Membrane Technology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, P. R. China
| | - Yunchang Liang
- Max Planck-EPFL Laboratory for Molecular Nanoscience and Technology, École Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
- Institut of Physics (IPHYS), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Shujin Hou
- Physics of Energy Conversion and Storage, Department of Physics, Technical University of Munich, James-Franck-Straße 1, 85748, Garching, Germany
| | - Yajing Zhang
- Qingdao Key Laboratory of Functional Membrane Material and Membrane Technology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, P. R. China
- University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Heqing Jiang
- Qingdao Key Laboratory of Functional Membrane Material and Membrane Technology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, P. R. China
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14
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Faid AY, Foroughi F, Sunde S, Pollet B. Unveiling hydrogen evolution dependence on KOH concentration for polycrystalline and nanostructured nickel-based catalysts. J APPL ELECTROCHEM 2022. [DOI: 10.1007/s10800-022-01749-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AbstractNickel-based hydrogen evolution reaction (HER) electrodes have been widely used in alkaline and anion exchange membrane water electrolysis. Therefore, understanding the activity dependence on the KOH concentration (pH) of alkaline electrolytes is essential for designing durable and active HER catalysts. In this work, the HER activity and kinetics of polycrystalline and nanostructured nickel-based catalysts are evaluated in various pH and KOH concentrations. The results for nanostructured NiMo catalyst indicate that both electrochemical active surface area and reaction order have a promoting region under various pH’s and KOH concentrations (0.01–1.0 M, pH 12–14) accompanied by better HER activity (a lower overpotential for achieving − 10 mA cm−2) and Tafel slope decreases from around 180 mV dec−1 to 60 mV dec−1 in the same pH and KOH concentration range. The change in the Tafel slope indicates that the HER rate-determining step for HER at NiMo/C changes with pH and KOH concentration. The polycrystalline Ni displays different behaviours where a promoting (0.01–0.10 M, pH 12–13), stabilizing (0.1–1.0 M, pH 13–14), and an inhibiting region (2 M, pH > 14) are present. However, Tafel slopes of around 120 mV/dec are obtained for polycrystalline Ni at all KOH concentrations. The HER characteristics are inhibited at 2.0 M KOH for both catalysts due to slower OH* transport kinetics. The results confirmed the importance of tuning catalyst-pH/KOH concentration for better HER activity and kinetics.
Graphical abstract
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15
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Shankar A, Maduraiveeran G. Hierarchical Bimetallic Iron-Cobalt Phosphides Nano-Island Nanostructures for Improved Oxygen Evolution Reaction. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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16
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Zhang J, Kuang Z, Li H, Li S, Xia F. Electrode surface roughness greatly enhances the sensitivity of electrochemical non-enzymatic glucose sensors. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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dos Santos JRN, Alves ICB, Marques ALB, Marques EP. Ni–Ag Supported on Reduced Graphene Oxide as Efficient Electrocatalyst for Alcohol Oxidation Reactions. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00754-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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18
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Lim YJ, Seo D, Abbas SA, Jung H, Ma A, Lee K, Lee G, Lee H, Nam KM. Unraveling the Simultaneous Enhancement of Selectivity and Durability on Single-Crystalline Gold Particles for Electrochemical CO 2 Reduction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201491. [PMID: 35501291 PMCID: PMC9284124 DOI: 10.1002/advs.202201491] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/06/2022] [Indexed: 06/14/2023]
Abstract
Electrochemical carbon dioxide reduction is a mild and eco-friendly approach for CO2 mitigation and producing value-added products. For selective electrochemical CO2 reduction, single-crystalline Au particles (octahedron, truncated-octahedron, and sphere) are synthesized by consecutive growth and chemical etching using a polydiallyldimethylammonium chloride (polyDDA) surfactant, and are surface-functionalized. Monodisperse, single-crystalline Au nanoparticles provide an ideal platform for evaluating the Au surface as a CO2 reduction catalyst. The polyDDA-Au cathode affords high catalytic activity for CO production, with >90% Faradaic efficiency over a wide potential range between -0.4 and -1.0 V versus RHE, along with high durability owing to the consecutive interaction between dimethylammonium and chloride on the Au surface. The influence of polyDDA on the Au particles, and the origins of the enhanced selectivity and stability are fully investigated using theoretical studies. Chemically adsorbed polyDDA is consecutively affected the initial adsorption of CO2 and the stability of the *CO2 , *COOH, and *CO intermediates during continuous CO2 reduction reaction. The polyDDA functionalization is extended to improving the CO Faradaic efficiency of other metal catalysts such as Ag and Zn, indicating its broad applicability for CO2 reduction.
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Affiliation(s)
- Yun Ji Lim
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
| | - Dongho Seo
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
| | - Syed Asad Abbas
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
| | - Haeun Jung
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
| | - Ahyeon Ma
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
| | - Kug‐Seung Lee
- 8C Nano Probe XAFS BeamlinePohang Accelerator LaboratoryPohang37673Republic of Korea
| | - Gaehang Lee
- Korea Basic Science Institute (KBSI)Daejeon34133Republic of Korea
| | - Hosik Lee
- Department of Energy EngineeringSchool of Energy and Chemical EngineeringUlsan National Institute of Science and Technology (UNIST)Ulsan44919Republic of Korea
| | - Ki Min Nam
- Department of Chemistry and Chemistry Institute for Functional MaterialsPusan National UniversityGeumjeong‐guBusan46241Republic of Korea
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19
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Das M, Khan ZB, Banerjee M, Biswas A, Dey RS. Three-dimensional nickel and copper-based foam-in-foam architecture as an electrode for efficient water electrolysis. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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20
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Silva-Carrillo C, Reynoso-Soto EA, Flores-Hernández JR, Trujillo-Navarrete B, Salazar-Gastelum MI, Castañon TR, Perez-Sicairos S, Romo-Herrera JM, Félix-Navarro RM. Support Effect in Bimetallic Particles PtNi for Hydrogen Oxidation Reaction in Alkaline Media. Top Catal 2022. [DOI: 10.1007/s11244-022-01646-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Zhang D, Ji SJ, Cao Y, Suen NT. Exploring the synergistic effect of alloying toward hydrogen evolution reaction: a case study of Ni 3M (M = Ti, Ge and Sn) series. Dalton Trans 2022; 51:9728-9734. [PMID: 35700533 DOI: 10.1039/d2dt00956k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we have demonstrated that one can control the intrinsic activity of Ni metal toward the hydrogen evolution reaction (HER) by simply alloying Ni with different elements (i.e. Ti, Ge or Sn). The HER activities of Ni3M (M = Ti, Ge and Sn) series and Ni metal follow the order of Ni3Ti (η10 = 68 mV) > Ni3Sn (η10 = 122 mV) > Ni3Ge (η10 = 161 mV) > Ni (η10 = 273 mV). After normalizing their HER performances based on the roughness factor (RF), it was realized that Ni3Ti and Ni3Sn both exhibit higher intrinsic HER activities than that of Ni metal while Ni3Ge displays the worst HER performance. This trend was later rationalized by using density functional theory (DFT) calculation, which showed that blending Ni with Ti, Ge or Sn elements will alter the corresponding electronic structure and bonding scheme. Such a change in the bonding scheme (i.e. bonding state or antibonding state) will influence the adsorption energy of the H atom (ΔGHad) on an active site and is the main cause of the synergetic effect that results in the different HER efficiencies of Ni3M (M = Ti, Ge and Sn). Through the present case study, it was recognized that alloying is a simple yet effective strategy to promote the HER activity of an electrocatalyst. With a suitable combination between elements, it helps single metals (e.g. Co or Ni metal) exceed the limits on their intrinsic HER activities and has the potential to replace noble metals (e.g. Pt, Ir and Ru) in the future.
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Affiliation(s)
- Dong Zhang
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P.R. China.
| | - Shen-Jing Ji
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P.R. China.
| | - Yu Cao
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, P. R. China.
| | - Nian-Tzu Suen
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P.R. China.
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22
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23
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Wu S, Wang Z, Wan L, Luo C, Baig SA, Xu X. Electrocatalytic hydrodechlorination of clofibric acid (CA) using Pd/Ni foam electrodes: The effects of Ni(OH)2 and complexing agents on electrode preparation. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Farid A, Khan AS, Javid M, Usman M, Khan IA, Ahmad AU, Fan Z, Khan AA, Pan L. Construction of a binder-free non-enzymatic glucose sensor based on Cu@Ni core-shell nanoparticles anchored on 3D chiral carbon nanocoils-nickel foam hierarchical scaffold. J Colloid Interface Sci 2022; 624:320-337. [PMID: 35660901 DOI: 10.1016/j.jcis.2022.05.137] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 05/19/2022] [Accepted: 05/22/2022] [Indexed: 01/09/2023]
Abstract
Bimetallic nanostructures composited with carbonaceous materials are the potential contenders for quantitative glucose measurement owing to their unique nanostructures, high biomimetic activity, synergistic effects, good conductivity and chemical stability. In the present work, chemical vapors deposition technique has been employed to grow 3D carbon nanocoils (CNCs) with a chiral morphology on hierarchical macroporous nickel foam (NF) to get a CNCs/NF scaffold. Following, bimetallic Cu@Ni core-shell nanoparticles (CSNPs) are effectively coupled with this scaffold through a facile solvothermal route in order to fabricate a binder-free novel Cu@Ni CSNPs/CNCs/NF hybrid nanostructure. The constructed free-standing 3D hierarchical composite electrode guarantees highly efficient glucose redox activity due to core-shell synergistic effects, enhanced electrochemical active surface area, excellent electrochemical stability, improved conductivity with better ion diffusivity and accelerated reaction kinetics. Being a non-enzymatic glucose sensor, this electrode achieves highly swift response time of 0.1 s, ultra-high sensitivity of 6905 μA mM-1 cm-2, low limit of detection of 0.03 μM along with potential selectivity and good storage stability. Moreover, the proposed sensor is also tested successfully for the determination of glucose concentration in human serum samples under good recovery ranging from 96.6 to 102.1 %. The 3D Cu@Ni CSNPs/CNCs/NF composite electrode with unprecedented catalytic performance can be utilized as an ideal biomimetic catalyst in the field of non-enzymatic glucose sensing.
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Affiliation(s)
- Amjad Farid
- School of Physics, Dalian University of Technology, Dalian 116024, PR China; Department of Physics, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Abdul Sammed Khan
- School of Physics, Dalian University of Technology, Dalian 116024, PR China
| | - Muhammad Javid
- School of Physics, Dalian University of Technology, Dalian 116024, PR China
| | - Muhammad Usman
- Department of Physics, Khawaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Ijaz Ahmad Khan
- Department of Physics, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Aqrab Ul Ahmad
- Department of Physics, Riphah International University Faisalabad Campus, Faisalabad 38000, Pakistan
| | - Zeng Fan
- School of Physics, Dalian University of Technology, Dalian 116024, PR China
| | - Aqib Ali Khan
- Department of Physics, Islamia College Peshawar, Peshawar 25120, KP, Pakistan
| | - Lujun Pan
- School of Physics, Dalian University of Technology, Dalian 116024, PR China.
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25
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Foroughi F, Faid AY, Sunde S, Pollet BG. Sonoactivated polycrystalline Ni electrodes for alkaline oxygen evolution reaction. ULTRASONICS SONOCHEMISTRY 2022; 86:106013. [PMID: 35483165 PMCID: PMC9171248 DOI: 10.1016/j.ultsonch.2022.106013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/08/2022] [Accepted: 04/20/2022] [Indexed: 06/14/2023]
Abstract
The development of cost-effective and active water-splitting electrocatalysts is an essential step toward the realization of sustainable energy. Its success requires an intensive improvement in the kinetics of the anodic half-reaction of the oxygen evolution reaction (OER), which determines the overall system efficiency to a large extent. In this work, we designed a facile and one-route strategy to activate the surface of metallic nickel (Ni) for the OER in alkaline media by ultrasound (24 kHz, 44 W, 60% acoustic amplitude, ultrasonic horn). Sonoactivated Ni showed enhanced OER activity with a much lower potential at + 10 mA cm-2 of + 1.594 V vs. RHE after 30 min ultrasonic treatment compared to + 1.617 V vs. RHE before ultrasonication. In addition, lower charge transfer resistance of 11.1 Ω was observed for sonoactivated Ni as compared to 98.5 Ω for non-sonoactivated Ni. In our conditions, ultrasound did not greatly affect the electrochemical surface area (Aecsa) and Tafel slopes however, the enhancement of OER activity can be due to the formation of free OH• radicals resulting from cavitation bubbles collapsing at the electrode/electrolyte interface.
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Affiliation(s)
- Faranak Foroughi
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway; Electrochemistry Research Group, Department of Materials Science and Engineering, Faculty of Natural Sciences. Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway.
| | - Alaa Y Faid
- Electrochemistry Research Group, Department of Materials Science and Engineering, Faculty of Natural Sciences. Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Svein Sunde
- Electrochemistry Research Group, Department of Materials Science and Engineering, Faculty of Natural Sciences. Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Bruno G Pollet
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway; Green Hydrogen Lab (GH2Lab), Pollet Research Group, Hydrogen Research Institute, Université du Québec à Trois-Rivières, 3351 Boulevard des Forges, Trois-Rivières, Québec G9A 5H7, Canada
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26
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Insights into the Electrochemical Behavior and Kinetics of NiP@PANI/rGO as a High-Performance Electrode for Alkaline Urea Oxidation. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00718-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Bai J, Zhang J, Eiler K, Yang Z, Fan L, Yang D, Zhang M, Hou Y, Guan R, Sort J, Pellicer E. Electrochemically Fabricated Surface-Mesostructured CuNi Bimetallic Catalysts for Hydrogen Production in Alkaline Media. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:118. [PMID: 35010066 PMCID: PMC8746327 DOI: 10.3390/nano12010118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022]
Abstract
Ni-based bimetallic films with 20 at.% and 45 at.% Cu and mesostructured surfaces were prepared by electrodeposition from an aqueous solution containing micelles of P123 triblock copolymer serving as a structure-directing agent. The pH value of the electrolytic solution had a key effect on both the resulting Cu/Ni ratio and the surface topology. The catalytic activity of the CuNi films toward hydrogen evolution reaction was investigated by cyclic voltammetry (CV) in 1 M KOH electrolyte at room temperature. The Cu45Ni55 film showed the highest activity (even higher than that of a non-mesostructured pure Ni film), which was attributed to the Ni content at the utmost surface, as demonstrated by CV studies, as well as the presence of a highly corrugated surface.
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Affiliation(s)
- Jingyuan Bai
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China; (J.B.); (M.Z.)
| | - Jin Zhang
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
- Center of Advanced Lubrication and Seal Materials, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China
| | - Konrad Eiler
- Departament de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Cerdanyola del Vallès, Spain;
| | - Zhou Yang
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
| | - Longyi Fan
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
| | - Dalong Yang
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
| | - Meilin Zhang
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China; (J.B.); (M.Z.)
| | - Yupu Hou
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
| | - Renguo Guan
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China; (J.B.); (M.Z.)
- Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China; (J.Z.); (Z.Y.); (L.F.); (D.Y.); (Y.H.)
| | - Jordi Sort
- Departament de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Cerdanyola del Vallès, Spain;
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, E-08010 Barcelona, Spain
| | - Eva Pellicer
- Departament de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Cerdanyola del Vallès, Spain;
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28
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Improved performance of CNT-Pd modified Cu2O supported on Nickel foam for hydrogen evolution reaction in basic media. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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29
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Yaqoob T, Rani M, Mahmood A, Shafique R, Khan S, Janjua NK, Shah AA, Ahmad A, Al-Kahtani AA. MXene/Ag 2CrO 4 Nanocomposite as Supercapacitors Electrode. MATERIALS 2021; 14:ma14206008. [PMID: 34683600 PMCID: PMC8540627 DOI: 10.3390/ma14206008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/20/2021] [Accepted: 09/23/2021] [Indexed: 01/13/2023]
Abstract
MXene/Ag2CrO4 nanocomposite was synthesized effectively by means of superficial low-cost co-precipitation technique in order to inspect its capacitive storage potential for supercapacitors. MXene was etched from MAX powder and Ag2CrO4 spinel was synthesized by an easy sol-gel scheme. X-Ray diffraction (XRD) revealed an addition in inter-planar spacing from 4.7 Å to 6.2 Å while Ag2CrO4 nanoparticles diffused in form of clusters over MXene layers that had been explored by scanning electron microscopy (SEM). Energy dispersive X-Ray (EDX) demonstrated the elemental analysis. Raman spectroscopy opens the gap between bonding structure of as-synthesized nanocomposite. From photoluminence (PL) spectra the energy band gap value 3.86 eV was estimated. Electrode properties were characterized by applying electrochemical observations such as cyclic voltammetry along with electrochemical impedance spectroscopy (EIS) for understanding redox mechanism and electron transfer rate constant Kapp. Additionally, this novel work will be an assessment to analyze the capacitive behavior of electrode in different electrolytes such as in acidic of 0.1 M H2SO4 has specific capacitance Csp = 525 F/g at 10 mVs−1 and much low value in basic of 1 M KOH electrolyte. This paper reflects the novel synthesis and applications of MXene/Ag2CrO4 nanocomposite electrode fabrication in energy storage devices such as supercapacitors.
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Affiliation(s)
- Tahira Yaqoob
- Department of Physics, The Women University Multan, Multan 66000, Pakistan; (T.Y.); (R.S.)
| | - Malika Rani
- Department of Physics, The Women University Multan, Multan 66000, Pakistan; (T.Y.); (R.S.)
- Correspondence:
| | - Arshad Mahmood
- National Institute of Lasers and Optronics (NILOP), College PIEAS, NILORE, Islamabad 45650, Pakistan;
| | - Rubia Shafique
- Department of Physics, The Women University Multan, Multan 66000, Pakistan; (T.Y.); (R.S.)
| | - Safia Khan
- Department of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan; (S.K.); (N.K.J.)
| | - Naveed Kausar Janjua
- Department of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan; (S.K.); (N.K.J.)
| | - Aqeel Ahmad Shah
- Department of Metallurgical Engineering, NED University of Engineering and Technology, Karachi 75270, Pakistan;
| | - Awais Ahmad
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014 Cordoba, Spain;
| | - Abdullah A. Al-Kahtani
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
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Saha S, Gayen P, Wang Z, Dixit RJ, Sharma K, Basu S, Ramani VK. Development of Bimetallic PdNi Electrocatalysts toward Mitigation of Catalyst Poisoning in Direct Borohydride Fuel Cells. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00768] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sulay Saha
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
| | - Pralay Gayen
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
| | - Zhongyang Wang
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
| | - Ram Ji Dixit
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Kritika Sharma
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
| | - Suddhasatwa Basu
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha 751013, India
| | - Vijay K. Ramani
- Center for Solar Energy and Energy Storage and Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Brauer Hall, 1 Brookings Dr., CB 1180, St. Louis, Missouri 63130, United States
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Cossar E, Agarwal K, Nguyen VB, Safari R, Botton GA, Baranova EA. Highly Active Nickel–Iron Nanoparticles With and Without Ceria for the Oxygen Evolution Reaction. Electrocatalysis (N Y) 2021. [DOI: 10.1007/s12678-021-00674-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Caglar A, Kivrak H. Superior formic acid electrooxidation activity on carbon nanotube‐supported binary Pd nanocatalysts prepared via sequential sodium borohydride reduction technique. SURF INTERFACE ANAL 2021. [DOI: 10.1002/sia.6972] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Aykut Caglar
- Faculty of Engineering, Department of Chemical Engineering Van Yuzuncu Yil University Van Turkey
| | - Hilal Kivrak
- Faculty of Engineering, Department of Chemical Engineering Van Yuzuncu Yil University Van Turkey
- Faculty of Engineering and Architectural Science, Department of Chemical Engineering Eskisehir Osmangazi University Eskişehir Turkey
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Abstract
Ammonia electro-oxidation (AEO) is a zero carbon-emitting sustainable means for the generation of hydrogen fuel, but its commercialization is deterred due to sluggish reaction kinetics and the poisoning of expensive metal electrocatalysts. With this perspective, CuO impregnated γ-Al2O3 (CuO/γ-Al2O3) hybrid materials were synthesized as effective and affordable electrocatalysts and investigated for AEO in alkaline media. Structural investigations were performed via different characterization techniques, i.e., X-ray diffraction (XRD), Fourier transformed infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical impedance spectroscopy (EIS). The morphology of γ-Al2O3 support as interconnected porous structures rendered the CuO/γ-Al2O3 nanocatalysts with robust activity. The additional CuO impregnation resulted in the enhanced electrochemical active surface area (ECSAs) and diffusion coefficient and spiked the electrocatalytic performance for NH3 electrolysis. Owing to good values of diffusion coefficient for AEO, low bandgap, and availability of ample ECSA at higher CuO to γ-Al2O3 ratio, these proposed electrocatalysts were proved to be effective in AEO. Due to good reproducibility, electrochemical stability, and higher activity for ammonia electro-oxidation, CuO/γ-Al2O3 nanomaterials are proposed as efficient promoters, electrode materials, or catalysts in ammonia electrocatalysis.
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