Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction
Abstract Despite considerable efforts to develop electrolyzers for energy conversion, progress has been hindered during the implementation stage by different catalyst development requirements in academic and industrial research. Herein, a coherent workflow for the efficient transition of electrocata...
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| Format: | Article |
| Language: | English |
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Wiley
2024-12-01
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| Series: | Carbon Energy |
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| Online Access: | https://doi.org/10.1002/cey2.608 |
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| author | Philipp Gerschel Steven Angel Mohaned Hammad André Olean‐Oliveira Blaž Toplak Vimanshu Chanda Ricardo Martínez‐Hincapié Sebastian Sanden Ali Raza Khan Da Xing Amin Said Amin Hartmut Wiggers Harry Hoster Viktor Čolić Corina Andronescu Christof Schulz Ulf‐Peter Apfel Doris Segets |
| author_facet | Philipp Gerschel Steven Angel Mohaned Hammad André Olean‐Oliveira Blaž Toplak Vimanshu Chanda Ricardo Martínez‐Hincapié Sebastian Sanden Ali Raza Khan Da Xing Amin Said Amin Hartmut Wiggers Harry Hoster Viktor Čolić Corina Andronescu Christof Schulz Ulf‐Peter Apfel Doris Segets |
| author_sort | Philipp Gerschel |
| collection | DOAJ |
| description | Abstract Despite considerable efforts to develop electrolyzers for energy conversion, progress has been hindered during the implementation stage by different catalyst development requirements in academic and industrial research. Herein, a coherent workflow for the efficient transition of electrocatalysts from basic research to application readiness for the alkaline oxygen evolution reaction is proposed. To demonstrate this research approach, La0.8Sr0.2CoO3 is selected as a catalyst, and its electrocatalytic performance is compared with that of the benchmark material NiFe2O4. The La0.8Sr0.2CoO3 catalyst with the desired dispersity is successfully synthesized by scalable spray‐flame synthesis. Subsequently, inks are formulated using different binders (Nafion®, Naf; Sustainion®, Sus), and nickel substrates are spray coated, ensuring a homogeneous catalyst distribution. Extensive electrochemical evaluations, including several scale‐bridging techniques, highlight the efficiency of the La0.8Sr0.2CoO3 catalyst. Experiments using the scanning droplet cell (SDC) indicate good lateral homogeneity for La0.8Sr0.2CoO3 electrodes and NiFe2O4‐Sus, while the NiFe2O4‐Naf film suffers from delamination. Among the various half‐cell techniques, SDC proves to be a valuable tool to quickly check whether a catalyst layer is suitable for full‐cell‐level testing and will be used for the fast‐tracking of catalysts in the future. Complementary compression and flow cell experiments provide valuable information on the electrodes' behavior upon exposure to chemical and mechanical stress. Finally, parameters and conditions simulating industrial settings are applied using a zero‐gap cell. Findings from various research fields across different scales obtained based on the developed coherent workflow contribute to a better understanding of the electrocatalytic system at the early stages of development and provide important insights for the evaluation of novel materials that are to be used in large‐scale industrial applications. |
| format | Article |
| id | doaj-art-27733cc740ea40fbb2dc305df4139e7a |
| institution | OA Journals |
| issn | 2637-9368 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Wiley |
| record_format | Article |
| series | Carbon Energy |
| spelling | doaj-art-27733cc740ea40fbb2dc305df4139e7a2025-08-20T02:00:37ZengWileyCarbon Energy2637-93682024-12-01612n/an/a10.1002/cey2.608Determining materials for energy conversion across scales: The alkaline oxygen evolution reactionPhilipp Gerschel0Steven Angel1Mohaned Hammad2André Olean‐Oliveira3Blaž Toplak4Vimanshu Chanda5Ricardo Martínez‐Hincapié6Sebastian Sanden7Ali Raza Khan8Da Xing9Amin Said Amin10Hartmut Wiggers11Harry Hoster12Viktor Čolić13Corina Andronescu14Christof Schulz15Ulf‐Peter Apfel16Doris Segets17Inorganic Chemistry I—Technical Electrochemistry Ruhr‐Universität Bochum Bochum GermanyInstitute for Energy and Materials Processes—Reactive Fluids University of Duisburg‐Essen Duisburg GermanyInstitute for Energy and Materials Processes—Particle Science and Technology University of Duisburg‐Essen Duisburg GermanyChemical Technology III University of Duisburg‐Essen Duisburg GermanyInstitute for Energy and Materials Processes—Particle Science and Technology University of Duisburg‐Essen Duisburg GermanyChemical Technology III University of Duisburg‐Essen Duisburg GermanyElectrochemistry for Energy Conversion Max Planck Institute for Chemical Energy Conversion Mülheim an der Ruhr GermanyInorganic Chemistry I—Technical Electrochemistry Ruhr‐Universität Bochum Bochum GermanyElectrochemistry for Energy Conversion Max Planck Institute for Chemical Energy Conversion Mülheim an der Ruhr GermanyEnergy Technology University of Duisburg‐Essen Duisburg GermanyInstitute for Energy and Materials Processes—Particle Science and Technology University of Duisburg‐Essen Duisburg GermanyInstitute for Energy and Materials Processes—Reactive Fluids University of Duisburg‐Essen Duisburg GermanyCenter for Nanointegration Duisburg‐Essen University of Duisburg‐Essen Duisburg GermanyCenter for Nanointegration Duisburg‐Essen University of Duisburg‐Essen Duisburg GermanyChemical Technology III University of Duisburg‐Essen Duisburg GermanyInstitute for Energy and Materials Processes—Reactive Fluids University of Duisburg‐Essen Duisburg GermanyInorganic Chemistry I—Technical Electrochemistry Ruhr‐Universität Bochum Bochum GermanyInstitute for Energy and Materials Processes—Particle Science and Technology University of Duisburg‐Essen Duisburg GermanyAbstract Despite considerable efforts to develop electrolyzers for energy conversion, progress has been hindered during the implementation stage by different catalyst development requirements in academic and industrial research. Herein, a coherent workflow for the efficient transition of electrocatalysts from basic research to application readiness for the alkaline oxygen evolution reaction is proposed. To demonstrate this research approach, La0.8Sr0.2CoO3 is selected as a catalyst, and its electrocatalytic performance is compared with that of the benchmark material NiFe2O4. The La0.8Sr0.2CoO3 catalyst with the desired dispersity is successfully synthesized by scalable spray‐flame synthesis. Subsequently, inks are formulated using different binders (Nafion®, Naf; Sustainion®, Sus), and nickel substrates are spray coated, ensuring a homogeneous catalyst distribution. Extensive electrochemical evaluations, including several scale‐bridging techniques, highlight the efficiency of the La0.8Sr0.2CoO3 catalyst. Experiments using the scanning droplet cell (SDC) indicate good lateral homogeneity for La0.8Sr0.2CoO3 electrodes and NiFe2O4‐Sus, while the NiFe2O4‐Naf film suffers from delamination. Among the various half‐cell techniques, SDC proves to be a valuable tool to quickly check whether a catalyst layer is suitable for full‐cell‐level testing and will be used for the fast‐tracking of catalysts in the future. Complementary compression and flow cell experiments provide valuable information on the electrodes' behavior upon exposure to chemical and mechanical stress. Finally, parameters and conditions simulating industrial settings are applied using a zero‐gap cell. Findings from various research fields across different scales obtained based on the developed coherent workflow contribute to a better understanding of the electrocatalytic system at the early stages of development and provide important insights for the evaluation of novel materials that are to be used in large‐scale industrial applications.https://doi.org/10.1002/cey2.608alkaline water electrolysisoxygen evolution reactionperovskitezero‐gap cell |
| spellingShingle | Philipp Gerschel Steven Angel Mohaned Hammad André Olean‐Oliveira Blaž Toplak Vimanshu Chanda Ricardo Martínez‐Hincapié Sebastian Sanden Ali Raza Khan Da Xing Amin Said Amin Hartmut Wiggers Harry Hoster Viktor Čolić Corina Andronescu Christof Schulz Ulf‐Peter Apfel Doris Segets Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction Carbon Energy alkaline water electrolysis oxygen evolution reaction perovskite zero‐gap cell |
| title | Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction |
| title_full | Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction |
| title_fullStr | Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction |
| title_full_unstemmed | Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction |
| title_short | Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction |
| title_sort | determining materials for energy conversion across scales the alkaline oxygen evolution reaction |
| topic | alkaline water electrolysis oxygen evolution reaction perovskite zero‐gap cell |
| url | https://doi.org/10.1002/cey2.608 |
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