1
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Galkina I, Faid AY, Jiang W, Scheepers F, Borowski P, Sunde S, Shviro M, Lehnert W, Mechler AK. Stability of Ni-Fe-Layered Double Hydroxide Under Long-Term Operation in AEM Water Electrolysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311047. [PMID: 38269475 DOI: 10.1002/smll.202311047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/14/2023] [Indexed: 01/26/2024]
Abstract
Anion exchange membrane water electrolysis (AEMWE) is an attractive method for green hydrogen production. It allows the use of non-platinum group metal catalysts and can achieve performance comparable to proton exchange membrane water electrolyzers due to recent technological advances. While current systems already show high performances with available materials, research gaps remain in understanding electrode durability and degradation behavior. In this study, the performance and degradation tracking of a Ni3 Fe-LDH-based single-cell is implemented and investigated through the correlation of electrochemical data using chemical and physical characterization methods. A performance stability of 1000 h, with a degradation rate of 84 µV h-1 at 1 A cm-2 is achieved, presenting the Ni3 Fe-LDH-based cell as a stable and cost-attractive AEMWE system. The results show that the conductivity of the formed Ni-Fe-phase is one key to obtaining high electrolyzer performance and that, despite Fe leaching, change in anion-conducting binder compound, and morphological changes inside the catalyst bulk, the Ni3 Fe-LDH-based single-cells demonstrate high performance and durability. The work reveals the importance of longer stability tests and presents a holistic approach of electrochemical tracking and post-mortem analysis that offers a guideline for investigating electrode degradation behavior over extended measurement periods.
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Affiliation(s)
- Irina Galkina
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Electrochemical Process Engineering (IEK-14), 52425, Jülich, Germany
| | - Alaa Y Faid
- Department of Materials Science and Engineering, Norwegian University of Science and Technology, Trondheim, 7491, Norway
| | - Wulyu Jiang
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Electrochemical Process Engineering (IEK-14), 52425, Jülich, Germany
| | - Fabian Scheepers
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Electrochemical Process Engineering (IEK-14), 52425, Jülich, Germany
| | | | - Svein Sunde
- Department of Materials Science and Engineering, Norwegian University of Science and Technology, Trondheim, 7491, Norway
| | - Meital Shviro
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Electrochemical Process Engineering (IEK-14), 52425, Jülich, Germany
- Chemistry and Nanoscience Center, National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA
| | - Werner Lehnert
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Electrochemical Process Engineering (IEK-14), 52425, Jülich, Germany
- RWTH Aachen University, Faculty of Mechanical Engineering, Modeling in Electrochemical Process Engineering, 52056, Aachen, Germany
| | - Anna K Mechler
- RWTH Aachen University, Electrochemical Reaction Engineering (AVT.ERT), 52056, Aachen, Germany
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Fundamentals of Electrochemistry (IEK-9), 52425, Jülich, Germany
- JARA-ENERGY, 52056, Aachen, Germany
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2
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Hu C, Kang NY, Kang HW, Lee JY, Zhang X, Lee YJ, Jung SW, Park JH, Kim MG, Yoo SJ, Lee SY, Park CH, Lee YM. Triptycene Branched Poly(aryl-co-aryl piperidinium) Electrolytes for Alkaline Anion Exchange Membrane Fuel Cells and Water Electrolyzers. Angew Chem Int Ed Engl 2024; 63:e202316697. [PMID: 38063325 DOI: 10.1002/anie.202316697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Indexed: 01/10/2024]
Abstract
Alkaline polymer electrolytes (APEs) are essential materials for alkaline energy conversion devices such as anion exchange membrane fuel cells (AEMFCs) and water electrolyzers (AEMWEs). Here, we report a series of branched poly(aryl-co-aryl piperidinium) with different branching agents (triptycene: highly-rigid, three-dimensional structure; triphenylbenzene: planar, two-dimensional structure) for high-performance APEs. Among them, triptycene branched APEs showed excellent hydroxide conductivity (193.5 mS cm-1 @80 °C), alkaline stability, mechanical properties, and dimensional stability due to the formation of branched network structures, and increased free volume. AEMFCs based on triptycene-branched APEs reached promising peak power densities of 2.503 and 1.705 W cm-2 at 75/100 % and 30/30 % (anode/cathode) relative humidity, respectively. In addition, the fuel cells can run stably at a current density of 0.6 A cm-2 for 500 h with a low voltage decay rate of 46 μV h-1 . Importantly, the related AEMWE achieved unprecedented current densities of 16 A cm-2 and 14.17 A cm-2 (@2 V, 80 °C, 1 M NaOH) using precious and non-precious metal catalysts, respectively. Moreover, the AEMWE can be stably operated under 1.5 A cm-2 at 60 °C for 2000 h. The excellent results suggest that the triptycene-branched APEs are promising candidates for future AEMFC and AEMWE applications.
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Affiliation(s)
- Chuan Hu
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Na Yoon Kang
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Hyun Woo Kang
- Department of Energy Engineering, Gyeongsang National University, Jinju, 52725, Republic of Korea
| | - Ju Yeon Lee
- Hydrogen⋅Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Xiaohua Zhang
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yong Jun Lee
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Seung Won Jung
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jong Hyeong Park
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Myeong-Geun Kim
- Hydrogen⋅Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Sung Jong Yoo
- Hydrogen⋅Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Division of Energy & Environment Technology, KIST School, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, 02447, Republic of. Korea
| | - So Young Lee
- Hydrogen⋅Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Chi Hoon Park
- Department of Energy Engineering, Gyeongsang National University, Jinju, 52725, Republic of Korea
| | - Young Moo Lee
- Department of Energy Engineering, College of Engineering, Hanyang University, Seoul, 04763, Republic of Korea
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Foroughi F, Tintor M, Faid AY, Sunde S, Jerkiewicz G, Coutanceau C, Pollet BG. In Situ Sonoactivation of Polycrystalline Ni for the Hydrogen Evolution Reaction in Alkaline Media. ACS APPLIED ENERGY MATERIALS 2023; 6:4520-4529. [PMID: 37181247 PMCID: PMC10170477 DOI: 10.1021/acsaem.2c02443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 03/30/2023] [Indexed: 05/16/2023]
Abstract
In this investigation, we report on the development of a method for activating polycrystalline metallic nickel (Ni(poly)) surfaces toward the hydrogen evolution reaction (HER) in N2-saturated 1.0 M KOH aqueous electrolyte through continuous and pulsed ultrasonication (24 kHz, 44 ± 1.40 W, 60% acoustic amplitude, ultrasonic horn). It is found that ultrasonically activated Ni shows an improved HER activity with a much lower overpotential of -275 mV vs RHE at -10.0 mA cm-2 when compared to nonultrasonically activated Ni. It was observed that the ultrasonic pretreatment is a time-dependent process that gradually changes the oxidation state of Ni and longer ultrasonication times result in higher HER activity as compared to untreated Ni. This study highlights a straightforward strategy for activating nickel-based materials by ultrasonic treatment for the electrochemical water splitting reaction.
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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), Trondheim NO-7491, Norway
| | - Marina Tintor
- Department
of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario K7L
3N6, Canada
| | - Alaa Y. Faid
- Electrochemistry
Research Group, Department of Materials Science and Engineering, Faculty
of Natural Sciences, Norwegian University
of Science and Technology (NTNU), Trondheim NO-7491, Norway
| | - Svein Sunde
- Electrochemistry
Research Group, Department of Materials Science and Engineering, Faculty
of Natural Sciences, Norwegian University
of Science and Technology (NTNU), Trondheim NO-7491, Norway
| | - Gregory Jerkiewicz
- Hydrogen
Energy and Sonochemistry Research Group, Department of Energy and
Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), Trondheim NO-7491, Norway
- Department
of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario K7L
3N6, Canada
| | - Christophe Coutanceau
- Hydrogen
Energy and Sonochemistry Research Group, Department of Energy and
Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), Trondheim NO-7491, Norway
- Catalysis
and Non-Conventional Medium group, IC2MP, UMR CNRS 7285, Université de Poitiers, 4 Rue Michel Brunet, 86073 Cedex 9 Poitiers, France
- French
Research Network on Hydrogen (FRH2), Research Federation n°2044
CNRS, BP 32229, 44322 Nantes CEDEX 3, France
- Green Hydrogen
Lab, Institute for Hydrogen Research, Université
du Québec à Trois-Rivières, 3351 Boulevard des Forges, Trois-Rivières, Québec G9A 5H7, Canada
| | - 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), Trondheim NO-7491, Norway
- Green Hydrogen
Lab, Institute for Hydrogen Research, Université
du Québec à Trois-Rivières, 3351 Boulevard des Forges, Trois-Rivières, Québec G9A 5H7, Canada
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Hansen HE, Seland F, Sunde S, Burheim OS, Pollet BG. Optimum scavenger concentrations for sonochemical nanoparticle synthesis. Sci Rep 2023; 13:6183. [PMID: 37061599 PMCID: PMC10105774 DOI: 10.1038/s41598-023-33243-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 04/10/2023] [Indexed: 04/17/2023] Open
Abstract
Maintaining nanoparticle properties when scaling up a chemical synthesis is challenging due to the complex interplay between reducing agents and precursors. A sonochemical synthesis route does not require the addition of reducing agents as they are instead being continuously generated in-situ by ultrasonic cavitation throughout the reactor volume. To optimize the sonochemical synthesis of nanoparticles, understanding the role of radical scavengers is paramount. In this work we demonstrate that optimum scavenger concentrations exist at which the rate of Ag-nanoparticle formation is maximized. Titanyl dosimetry experiments were used in conjunction with Ag-nanoparticle formation rates to determine these optimum scavenger concentrations. It was found that more hydrophobic scavengers require lower optimum concentrations with 1-butanol < 2-propanol < ethanol < methanol < ethylene glycol. However, the optimum concentration is shifted by an order of magnitude towards higher concentrations when pyrolytic decomposition products contribute to the reduction. The reduction rate is also enhanced considerably.
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Affiliation(s)
- Henrik E Hansen
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway.
- Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway.
| | - Frode Seland
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway
| | - Svein Sunde
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway
| | - Odne S Burheim
- Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway
| | - Bruno G Pollet
- Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), 7491, Trondheim, Norway
- Green Hydrogen Lab, Institute for Hydrogen Research (IHR), Université Du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, Québec, G9A 5H7, Canada
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5
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Nasser M, Megahed TF, Ookawara S, Hassan H. A review of water electrolysis-based systems for hydrogen production using hybrid/solar/wind energy systems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:86994-87018. [PMID: 36280638 PMCID: PMC9671993 DOI: 10.1007/s11356-022-23323-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 09/24/2022] [Indexed: 05/06/2023]
Abstract
Hydrogen energy, as clean and efficient energy, is considered significant support for the construction of a sustainable society in the face of global climate change and the looming energy revolution. Hydrogen is one of the most important chemical substances on earth and can be obtained through various techniques using renewable and nonrenewable energy sources. However, the necessity for a gradual transition to renewable energy sources significantly hampers efforts to identify and implement green hydrogen production paths. Therefore, this paper's objective is to provide a technological review of the systems of hydrogen production from solar and wind energy utilizing several types of water electrolyzers. The current paper starts with a short brief about the different production techniques. A detailed comparison between water electrolyzer types and a complete illustration of hydrogen production techniques using solar and wind are presented with examples, after which an economic assessment of green hydrogen production by comparing the costs of the discussed renewable sources with other production methods. Finally, the challenges that face the mentioned production methods are illuminated in the current review.
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Affiliation(s)
- Mohamed Nasser
- Energy Resources Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt
- Mechanical Power Engineering Department, Faculty of Engineering, Zagazig University, Zagazig, Egypt
| | - Tamer F. Megahed
- Electrical Power Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt
- Electrical Engineering Department, Mansoura University, Mansoura, Egypt
| | | | - Hamdy Hassan
- Energy Resources Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt
- Mechanical Power Engineering Department, Faculty of Engineering, Assiut University, Asyut, Egypt
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6
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Chand K, Paladino O. Recent developments of membranes and electrocatalysts for the hydrogen production by Anion Exchange Membrane Water Electrolysers: A review. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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7
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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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8
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Abstract
![]()
This Review provides an overview
of the emerging concepts of catalysts,
membranes, and membrane electrode assemblies (MEAs) for water electrolyzers
with anion-exchange membranes (AEMs), also known as zero-gap alkaline
water electrolyzers. Much of the recent progress is due to improvements
in materials chemistry, MEA designs, and optimized operation conditions.
Research on anion-exchange polymers (AEPs) has focused on the cationic
head/backbone/side-chain structures and key properties such as ionic
conductivity and alkaline stability. Several approaches, such as cross-linking,
microphase, and organic/inorganic composites, have been proposed to
improve the anion-exchange performance and the chemical and mechanical
stability of AEMs. Numerous AEMs now exceed values of 0.1 S/cm (at
60–80 °C), although the stability specifically at temperatures
exceeding 60 °C needs further enhancement. The oxygen evolution
reaction (OER) is still a limiting factor. An analysis of thin-layer
OER data suggests that NiFe-type catalysts have the highest activity.
There is debate on the active-site mechanism of the NiFe catalysts,
and their long-term stability needs to be understood. Addition of
Co to NiFe increases the conductivity of these catalysts. The same
analysis for the hydrogen evolution reaction (HER) shows carbon-supported
Pt to be dominating, although PtNi alloys and clusters of Ni(OH)2 on Pt show competitive activities. Recent advances in forming
and embedding well-dispersed Ru nanoparticles on functionalized high-surface-area
carbon supports show promising HER activities. However, the stability
of these catalysts under actual AEMWE operating conditions needs to
be proven. The field is advancing rapidly but could benefit through
the adaptation of new in situ techniques, standardized evaluation
protocols for AEMWE conditions, and innovative catalyst-structure
designs. Nevertheless, single AEM water electrolyzer cells have been
operated for several thousand hours at temperatures and current densities
as high as 60 °C and 1 A/cm2, respectively.
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Affiliation(s)
- Naiying Du
- National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada.,Energy, Mining and Environment Research Centre, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Claudie Roy
- Energy, Mining and Environment Research Centre, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada.,National Research Council of Canada, 2620 Speakman Drive, Mississauga, Ontario L5K 1B1, Canada
| | - Retha Peach
- Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Cauerstaße 1, 91058 Erlangen, Germany
| | - Matthew Turnbull
- National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada.,Energy, Mining and Environment Research Centre, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Simon Thiele
- Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Cauerstaße 1, 91058 Erlangen, Germany.,Department Chemie- und Bioingenieurwesen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058 Erlangen, Germany
| | - Christina Bock
- National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada.,Energy, Mining and Environment Research Centre, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
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10
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Hansen HE, Seland F, Sunde S, Burheim OS, Pollet BG. Frequency controlled agglomeration of pt-nanoparticles in sonochemical synthesis. ULTRASONICS SONOCHEMISTRY 2022; 85:105991. [PMID: 35381486 PMCID: PMC8980500 DOI: 10.1016/j.ultsonch.2022.105991] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 06/01/2023]
Abstract
Optimizing the surface area of nanoparticles is key to achieving high catalytic activities for electrochemical energy conversion devices. In this work, the frequency range (200 kHz-500 kHz) for maximum sonochemical radical formation was investigated for the sonochemical synthesis of Pt-nanoparticles to assess whether an optimum frequency exists or if the entire range provides reproducible particle properties. Through physical and electrochemical characterization, it was found that the frequency dependent mechanical effects of ultrasound resulted in smaller, more open agglomerates at lower frequencies with agglomerate sizes of (238 ± 4) nm at 210 kHz compared to (274 ± 2) nm at 326 kHz, and electrochemical surface areas of (12.4 ± 0.9) m2g-1 at 210 kHz compared to (3.4 ± 0.5) m2g-1 at 326 kHz. However, the primary particle size (2.1 nm) and the catalytic activity towards hydrogen evolution, (19 ± 2) mV at 10mA cm2,remained unchanged over the entire frequency range. Highly reproducible Pt-nanoparticles are therefore easily attainable within a broad range of ultrasonic frequencies for the sonochemical synthesis route.
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Affiliation(s)
- Henrik E Hansen
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway; 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.
| | - Frode Seland
- Electrochemistry 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 Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Odne S Burheim
- 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
| | - 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 H(2) Lab, Pollet Research Group, Hydrogen Research Institute (HRI), Université Du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, Québec G9A 5H7, Canada
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11
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Performance and stability of a critical raw materials-free anion exchange membrane electrolysis cell. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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12
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Adanur I, Karazehir T, Doğru Mert B, Akyol M, Ekicibil A. Effect of Gd-doping in Ni/NiO Core/Shell Magnetic Nanoparticles (MNPs) on Structural, Magnetic and Hydrogen Evolution Reaction. J Chem Phys 2022; 156:064705. [DOI: 10.1063/5.0078718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - Tolga Karazehir
- Adana Alparslan Türkes Science and Technology University, Turkey
| | - Başak Doğru Mert
- Adana Alparslan Türkes Science and Technology University, Turkey
| | - Mustafa Akyol
- Materials Engineering, Adana Alparslan Türkes Science and Technology University, Turkey
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López-Fernández E, Sacedón CG, Gil-Rostra J, Yubero F, González-Elipe AR, de Lucas-Consuegra A. Recent Advances in Alkaline Exchange Membrane Water Electrolysis and Electrode Manufacturing. Molecules 2021; 26:6326. [PMID: 34770735 PMCID: PMC8587517 DOI: 10.3390/molecules26216326] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 11/18/2022] Open
Abstract
Water electrolysis to obtain hydrogen in combination with intermittent renewable energy resources is an emerging sustainable alternative to fossil fuels. Among the available electrolyzer technologies, anion exchange membrane water electrolysis (AEMWE) has been paid much attention because of its advantageous behavior compared to other more traditional approaches such as solid oxide electrolyzer cells, and alkaline or proton exchange membrane water electrolyzers. Recently, very promising results have been obtained in the AEMWE technology. This review paper is focused on recent advances in membrane electrode assembly components, paying particular attention to the preparation methods for catalyst coated on gas diffusion layers, which has not been previously reported in the literature for this type of electrolyzers. The most successful methodologies utilized for the preparation of catalysts, including co-precipitation, electrodeposition, sol-gel, hydrothermal, chemical vapor deposition, atomic layer deposition, ion beam sputtering, and magnetron sputtering deposition techniques, have been detailed. Besides a description of these procedures, in this review, we also present a critical appraisal of the efficiency of the water electrolysis carried out with cells fitted with electrodes prepared with these procedures. Based on this analysis, a critical comparison of cell performance is carried out, and future prospects and expected developments of the AEMWE are discussed.
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Affiliation(s)
- Ester López-Fernández
- Laboratory of Nanotechnology on Surfaces and Plasma, Institute of Materials Science of Seville (CSIC-University Sevilla), Av. Américo Vespucio 49, E-41092 Sevilla, Spain; (J.G.-R.); (F.Y.); (A.R.G.-E.)
- Department of Chemical Engineering, School of Chemical Sciences and Technologies, University of Castilla-La Mancha, Avda. Camilo José Cela 12, E-13071 Ciudad Real, Spain;
| | - Celia Gómez Sacedón
- Department of Chemical Engineering, School of Chemical Sciences and Technologies, University of Castilla-La Mancha, Avda. Camilo José Cela 12, E-13071 Ciudad Real, Spain;
| | - Jorge Gil-Rostra
- Laboratory of Nanotechnology on Surfaces and Plasma, Institute of Materials Science of Seville (CSIC-University Sevilla), Av. Américo Vespucio 49, E-41092 Sevilla, Spain; (J.G.-R.); (F.Y.); (A.R.G.-E.)
| | - Francisco Yubero
- Laboratory of Nanotechnology on Surfaces and Plasma, Institute of Materials Science of Seville (CSIC-University Sevilla), Av. Américo Vespucio 49, E-41092 Sevilla, Spain; (J.G.-R.); (F.Y.); (A.R.G.-E.)
| | - Agustín R. González-Elipe
- Laboratory of Nanotechnology on Surfaces and Plasma, Institute of Materials Science of Seville (CSIC-University Sevilla), Av. Américo Vespucio 49, E-41092 Sevilla, Spain; (J.G.-R.); (F.Y.); (A.R.G.-E.)
| | - Antonio de Lucas-Consuegra
- Department of Chemical Engineering, School of Chemical Sciences and Technologies, University of Castilla-La Mancha, Avda. Camilo José Cela 12, E-13071 Ciudad Real, Spain;
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Lee J, Jung H, Park YS, Woo S, Yang J, Jang MJ, Jeong J, Kwon N, Lim B, Han JW, Choi SM. High-Efficiency Anion-Exchange Membrane Water Electrolyzer Enabled by Ternary Layered Double Hydroxide Anode. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100639. [PMID: 34081402 DOI: 10.1002/smll.202100639] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/11/2021] [Indexed: 06/12/2023]
Abstract
Developing high-efficiency and low-cost oxygen-evolving electrodes in anion exchange membrane (AEM) water electrolysis technology is one of the major challenges. Herein, it is demonstrated that the surface corrosion of a conventional Ni foam electrode in the presence of Fe3+ and V3+ cations can transform it into an electrode with a high catalytic performance for oxygen evolution reaction (OER). The corroded electrode consists of a ternary NiFeV layered double hydroxide (LDH) nanosheet array supported on the Ni foam surface. This NiFeV LDH electrode achieves an OER current density of 100 mA cm-2 at an overpotential of 272 mV in 1 m KOH, outperforming the IrO2 catalyst by 180 mV. Density functional theory calculations reveal that the unique structure and the presence of vanadium in NiFeV LDH play a key role in achieving improved OER activity. When coupled with a commercial Pt/C cathode catalyst, the resulting AEM water electrolyzer achieves a cell current density as high as 2.1 A cm-2 at a voltage of only 1.8 Vcell in 1 m KOH, which is similar to the performance of the proton exchange membrane water electrolyzer obtained from the IrO2 and Pt/C catalysts pair.
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Affiliation(s)
- Jooyoung Lee
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Hyeonjung Jung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Gyeongbuk, 37673, Republic of Korea
| | - Yoo Sei Park
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Seongwon Woo
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Juchan Yang
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Myeong Je Jang
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Jaehoon Jeong
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Nayoung Kwon
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Byungkwon Lim
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jeong Woo Han
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Gyeongbuk, 37673, Republic of Korea
| | - Sung Mook Choi
- Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
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Faid AY, Barnett AO, Seland F, Sunde S. Tuning Ni-MoO 2 Catalyst-Ionomer and Electrolyte Interaction for Water Electrolyzers with Anion Exchange Membranes. ACS APPLIED ENERGY MATERIALS 2021; 4:3327-3340. [PMID: 34056552 PMCID: PMC8159162 DOI: 10.1021/acsaem.0c03072] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/09/2021] [Indexed: 06/01/2023]
Abstract
Tailoring catalyst-ionomer and electrolyte interaction is crucial for the development of anion exchange membrane (AEM) water electrolysis. In this work, the interaction of Ni-MoO2 nanosheets with ionomers and electrolyte cations was investigated. The activity of Ni-MoO2 nanosheets for the hydrogen evolution reaction (HER) increased when tested in 1 M NaOH compared to 1 M KOH; however, it decreased when tested in 0.01 M KOH compared to 1 M KOH electrolyte. The capacitance minimum associated with the potential of zero free charge (pzfc) was shifted negatively from 0.5 to 0.4 V versus RHE when KOH concentration increased from 0.1 mM to 1 M KOH, suggesting a softening of the water in the double-layer to facilitate the OH- transport and faster kinetics of the Volmer step that lead to improved HER activity. The catalyst interaction with cationic moieties in the anion ionomer (or organic electrolytes) can also be rationalized based on the capacitance minimum, because the latter indicates a negatively charged catalyst during the HER, attracting the cationic moieties leading to the blocking of the catalytic sites and lower HER performance. The HER activity of Ni-MoO2 nanosheets is lower in benzyltrimethylammonium hydroxide (BTMAOH) than in tetramethylammonium hydroxide (TMAOH). Anion fumion ionomer and electrolytes with organic cations with benzyl group adsorption (such as BTMAOH) lead to decreased HER activity in comparison with TMAOH and Nafion. By utilizing Ni-MoO2 nanosheet electrodes as a cathode in a full non-platinum group metal (PGM) AEM electrolyzer, a current density of 1.15 A/cm2 at 2 V cell voltage in 1 M KOH at 50 °C was achieved. The electrolyzer showed exceptional stability in 0.1 M KOH for 65 h at 0.5 A/cm2.
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Affiliation(s)
- Alaa Y. Faid
- Department
of Materials Science and Engineering, Norwegian
University of Science and Technology, 7491, Trondheim, Norway
| | - Alejandro Oyarce Barnett
- SINTEF
Industry, New Energy Solutions Department, 7465, Trondheim, Norway
- Department
of Energy and Process Engineering, Norwegian
University of Science and Technology, 7491, Trondheim, Norway
| | - Frode Seland
- Department
of Materials Science and Engineering, Norwegian
University of Science and Technology, 7491, Trondheim, Norway
| | - Svein Sunde
- Department
of Materials Science and Engineering, Norwegian
University of Science and Technology, 7491, Trondheim, Norway
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Faid AY, Barnett AO, Seland F, Sunde S. NiCu mixed metal oxide catalyst for alkaline hydrogen evolution in anion exchange membrane water electrolysis. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137837] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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17
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Top 10 Cited Papers in the Section “Electrocatalysis”. Catalysts 2020. [DOI: 10.3390/catal10121378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This editorial is dealing with the most cited papers published in the years 2018–2019 in the section “Electrocatalysis” of the journal Catalysts [...]
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18
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Faid AY, Barnett AO, Seland F, Sunde S. Ni/NiO nanosheets for alkaline hydrogen evolution reaction: In situ electrochemical-Raman study. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137040] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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19
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An Investigation on the role of crystallographic texture on anisotropic electrochemical behavior of a commercially pure nickel manufactured by laser powder bed fusion (L-PBF) additive manufacturing. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136694] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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Razmjooei F, Farooqui A, Reissner R, Gago AS, Ansar SA, Friedrich KA. Elucidating the Performance Limitations of Alkaline Electrolyte Membrane Electrolysis: Dominance of Anion Concentration in Membrane Electrode Assembly. ChemElectroChem 2020. [DOI: 10.1002/celc.202000605] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Fatemeh Razmjooei
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
| | - Azharuddin Farooqui
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
| | - Regine Reissner
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
| | - Aldo Saul Gago
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
| | - Syed Asif Ansar
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
| | - Kaspar Andreas Friedrich
- Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 Stuttgart 70569 Germany
- Institute of Building Energetics, Thermal Engineering and Energy Storage (IGTE) University of Stuttgart Pfaffenwaldring 31 70569 Stuttgart Germany
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21
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Cossar E, Houache MS, Zhang Z, Baranova EA. Comparison of electrochemical active surface area methods for various nickel nanostructures. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114246] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Recent Advances of First d-Block Metal-Based Perovskite Oxide Electrocatalysts for Alkaline Water Splitting. Catalysts 2020. [DOI: 10.3390/catal10070770] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
First d-block metal-based perovskite oxides (FDMPOs) have garnered significant attention in research for their utilization in the water oxidation reaction due to their low cost, earth abundance, and promising activities. Recently, FDMPOs are being applied in electrocatalysis for the hydrogen evolution reaction (HER) and overall water splitting reaction. Numerous promising FDMPO-based water splitting electrocatalysts have been reported, along with new catalytic mechanisms. Therefore, an in-time summary of the current progress of FDMPO-based water splitting electrocatalysts is now considered imperative. However, few reviews have focused on this particular subject thus far. In this contribution, we review the most recent advances (mainly within the years 2014–2020) of FDMPO electrocatalysts for alkaline water splitting, which is widely considered to be the most promising next-generation technology for future large-scale hydrogen production. This review begins with an introduction describing the fundamentals of alkaline water electrolysis and perovskite oxides. We then carefully elaborate on the various design strategies used for the preparation of FDMPO electrocatalysts applied in the alkaline water splitting reaction, including defecting engineering, strain tuning, nanostructuring, and hybridization. Finally, we discuss the current advances of various FDMPO-based water splitting electrocatalysts, including those based on Co, Ni, Fe, Mn, and other first d-block metal-based catalysts. By conveying various methods, developments, perspectives, and challenges, this review will contribute toward the understanding and development of FDMPO electrocatalysts for alkaline water splitting.
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Green Synthetic Fuels: Renewable Routes for the Conversion of Non-Fossil Feedstocks into Gaseous Fuels and Their End Uses. ENERGIES 2020. [DOI: 10.3390/en13020420] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Innovative renewable routes are potentially able to sustain the transition to a decarbonized energy economy. Green synthetic fuels, including hydrogen and natural gas, are considered viable alternatives to fossil fuels. Indeed, they play a fundamental role in those sectors that are difficult to electrify (e.g., road mobility or high-heat industrial processes), are capable of mitigating problems related to flexibility and instantaneous balance of the electric grid, are suitable for large-size and long-term storage and can be transported through the gas network. This article is an overview of the overall supply chain, including production, transport, storage and end uses. Available fuel conversion technologies use renewable energy for the catalytic conversion of non-fossil feedstocks into hydrogen and syngas. We will show how relevant technologies involve thermochemical, electrochemical and photochemical processes. The syngas quality can be improved by catalytic CO and CO2 methanation reactions for the generation of synthetic natural gas. Finally, the produced gaseous fuels could follow several pathways for transport and lead to different final uses. Therefore, storage alternatives and gas interchangeability requirements for the safe injection of green fuels in the natural gas network and fuel cells are outlined. Nevertheless, the effects of gas quality on combustion emissions and safety are considered.
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The Performance of Nickel and Nickel-Iron Catalysts Evaluated As Anodes in Anion Exchange Membrane Water Electrolysis. Catalysts 2019. [DOI: 10.3390/catal9100814] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Anion exchange membrane water electrolysis (AEMWE) is an efficient, cost-effective solution to renewable energy storage. The process includes oxygen and hydrogen evolution reactions (OER and HER); the OER is kinetically unfavourable. Studies have shown that nickel (Ni)- iron (Fe) catalysts enhance activity towards OER, and cerium oxide (CeO2) supports have shown positive effects on catalytic performance. This study covers the preliminary evaluation of Ni, Ni90Fe10 (at%) and Ni90Fe10/CeO2 (50 wt%) nanoparticles (NPs), synthesized by chemical reduction, as OER catalysts in AEMWE using commercial membranes. Transmission electron microscopy (TEM) images of the Ni-based NPs indicate NPs roughly 4–6 nm in size. Three-electrode cell measurements indicate that Ni90Fe10 is the most active non-noble metal catalyst in 1 and 0.1 M KOH. AEMWE measurements of the anodes show cells achieving overall cell voltages between 1.85 and 1.90 V at 2 A cm−2 in 1 M KOH at 50 °C, which is comparable to the selected iridium-black reference catalyst. In 0.1 M KOH, the AEMWE cell containing Ni90Fe10 attained the lowest voltage of 1.99 V at 2 A cm−2. Electrochemical impedance spectroscopy (EIS) of the AEMWE cells using Ni90Fe10/CeO2 showed a higher ohmic resistance than all catalysts, indicating the need for support optimization.
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25
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Faid AY, Ismail H. Highly Active and Easily Fabricated NiCo
2
O
4
Nanoflowers for Enhanced Methanol Oxidation. ChemistrySelect 2019. [DOI: 10.1002/slct.201901580] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Alaa Y. Faid
- Department of Materials Science and EngineeringNorwegian University of Science and Technology Trondheim Norway
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