High-entropy spinel-structure oxides as oxygen evolution reaction electrocatalyst
Frontiers in Energy Research, ISSN: 2296-598X, Vol: 10
2022
- 22Citations
- 57Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
High-entropy oxides are an upcoming research topic due to their broad range of possible crystal structures and applications. In this work, we want to present the change in the catalytic properties when using different elements to create a high-entropy spinel. Therefore, we used the nebulized-spray pyrolysis to synthesize the high-entropy spinel (MnFeNiMgZn)O and later on exchanged the Mg or the Zn with elements with multiple possible oxidation states, in our example each with Cr or Co. The phase purity, morphology, microstructure and homogeneity were investigated by XRD, SEM and STEM-EDX. Their electrocatalytic performance and stability was measured via oxygen evolution reaction and cyclic voltammetry and compared to IrO, used as reference. The best performance of the synthesized materials was achieved by (MnFeNiMgCr)O.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85136488192&origin=inward; http://dx.doi.org/10.3389/fenrg.2022.942314; https://www.frontiersin.org/articles/10.3389/fenrg.2022.942314/full; https://dx.doi.org/10.3389/fenrg.2022.942314; https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2022.942314/full
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