Electrocatalytic water splitting over perovskite oxide catalysts
Abstract
The urgent need for decarbonized hydrogen production to achieve carbon-neutral targets has highlighted the critical role of water electrolysis technology in advancing sustainability in various fields. However, the gap in economic efficiency between green hydrogen, generated by renewable electricity-driven water electrolysis, and gray hydrogen, generated by the consumption of fossil fuels , remains a challenge. Therefore, the exploration of cost-effective, active, and stable electrocatalysts toward water-splitting reactions is essential. Owing to their high-tolerance crystal structures, flexible elemental compositions , and adjustable electronic properties, perovskite oxides provide a vast material library for customizing next-generation electrocatalysts . Additionally, perovskite oxides are increasingly being developed into ideal model catalysts for unraveling scientific laws and theories, emphasizing the significance of investigating their important characteristics ( e.g. , structure-performance relationship, electronic property regulation, catalytic mechanism, and dynamic structural evolution). This review summarizes recent advances in perovskite oxides for water-splitting electrocatalysis , including their developmental history, compositional and structural diversities, structure-performance correlations, activity descriptors, catalytic mechanisms, and structural evolutions. We emphasize the importance of in situ characterization techniques for monitoring dynamic structura…
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The linear impedance response of LaCoMnO3 at high current densities is characteristic of distributed processes within porous networks governed by species diffusion through interconnected nanopores.
“a phenomenon characteristic of distributed processes within porous networks where the high intrinsic activity of the catalyst (facilitated by the LOM mechanism) leads to a regime governed by species diffusion through the interconnected nanopores [52].”
From La-Co-Mn oxide aerogels as high-performance electrocatalysts for anion exchange membrane water electrolysis (2026) · cites this paper as [52]
The Cdl and BET metrics confirm that the aerogel morphology optimizes exposure of the active perovskite phase and enhances the density of active sites, thereby accelerating OER kinetics.
“These metrics, summarized in Table 3, confirm that the aerogel morphology successfully optimizes the exposure of the active perovskite phase and enhances the density of active sites, thereby accelerating the OER kinetics [52].”
From La-Co-Mn oxide aerogels as high-performance electrocatalysts for anion exchange membrane water electrolysis (2026) · cites this paper as [52]
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Contreras-Martínez, M. V., Espinosa-Lagunes, F. I., Arenillas, A., Rey-Raap, N., Gatto, I., Ledesma-García, J., Baglio, V., & Arriaga, L. G. (2026) · Chemical Engineering Journal · doi:10.1016/j.cej.2026.175528 · Cited by 5 · see citing works
- Authors
- Wang, Y., Wang, L., Zhang, K., Xu, J., Wu, Q., Xie, Z., An, W., Liang, X., & Zou, X.
- Affiliations
- Jilin University (CN)
- Corresponding author
- Liang, Xiao
- Zou, Xiaoxin
- Venue
- Chinese Journal of Catalysis
- Publisher
- Elsevier BV
- Published
- 2023-07
- Volume
- 50
- Pages
- 109-125
- ISSN
- 0253-9837 (ISSN-L)
- 1872-2067
- OpenAlex
- W4385730207
- Cited by
- 77
- References
- 3
- Citations by year
- 2026: 16 · 2025: 29 · 2024: 32
- FWCI
- 3.68
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION) (publishedVersion)
- Funders
- National Natural Science Foundation of China (21621001, 21922507, 22179046, 22205072)
- China Postdoctoral Science Foundation (2021M701377)
- National Key Research and Development Program of China (2021YFB4000200)
- Higher Education Discipline Innovation Project (B17020)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Keywords
- perovskite oxides, electrochemical water splitting, water electrolysis, green hydrogen production, structure-performance relationship, catalytic mechanism, structural evolution, in situ characterization, electronic properties, low-cost catalysts
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