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10.3390/catal10121387
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Article

Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis

by
DJ Donn Matienzo
1,2,*,
Tuğçe Kutlusoy
3,
Spyridon Divanis
3,
Chiara Di Bari
1 and
Emanuele Instuli
1,*
1
New Application Research, Research and Development Division, Industrie De Nora S.p.A., 20134 Milan, Italy
2
Department of Inorganic Technology, University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
3
Center of Excellence (CoE), Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København Ø, Copenhagen, Denmark
*
Authors to whom correspondence should be addressed.
Catalysts 2020, 10(12), 1387; https://doi.org/10.3390/catal10121387
Submission received: 11 November 2020 / Revised: 25 November 2020 / Accepted: 26 November 2020 / Published: 28 November 2020
(This article belongs to the Special Issue Catalysts in Energy Applications)
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Abstract

The selection and evaluation of electrocatalysts as candidate materials for industrial alkaline water electrolysis is fundamental in the development of promising energy storage and sustainable fuels for future energy infrastructure. However, the oxygen evolution reaction (OER) activities of various electrocatalysts already reported in previous studies are not standardized. This work reports on the use of perovskite materials (LaFeO3, LaCoO3, LaNiO3, PrCoO3, Pr0.8Sr0.2CoO3, and Pr0.8Ba0.2CoO3) as OER electrocatalysts for alkaline water electrolysis. A facile co-precipitation technique with subsequent thermal annealing (at 700 °C in air) was performed. Industrial requirements and criteria (cost and ease of scaling up) were well-considered for the selection of the materials. The highest OER activity was observed in LaNiO3 among the La-based perovskites, and in Pr0.8Sr0.2CoO3 among the Pr-based perovskites. Moreover, the formation of double perovskites (Pr0.8Sr0.2CoO3 and Pr0.8Ba0.2CoO3) improved the OER activity of PrCoO3. This work highlights that the simple characterization and electrochemical tests performed are considered the initial step in evaluating candidate catalyst materials to be used for industrial alkaline water electrolysis.
Keywords: perovskites; oxygen evolution reaction; alkaline water electrolysis; electrocatalysts perovskites; oxygen evolution reaction; alkaline water electrolysis; electrocatalysts

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MDPI and ACS Style

Matienzo, D.D.; Kutlusoy, T.; Divanis, S.; Bari, C.D.; Instuli, E. Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis. Catalysts 2020, 10, 1387. https://doi.org/10.3390/catal10121387

AMA Style

Matienzo DD, Kutlusoy T, Divanis S, Bari CD, Instuli E. Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis. Catalysts. 2020; 10(12):1387. https://doi.org/10.3390/catal10121387

Chicago/Turabian Style

Matienzo, DJ Donn, Tuğçe Kutlusoy, Spyridon Divanis, Chiara Di Bari, and Emanuele Instuli. 2020. "Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis" Catalysts 10, no. 12: 1387. https://doi.org/10.3390/catal10121387

APA Style

Matienzo, D. D., Kutlusoy, T., Divanis, S., Bari, C. D., & Instuli, E. (2020). Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis. Catalysts, 10(12), 1387. https://doi.org/10.3390/catal10121387

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