Molten salt-directed synthesis of strontium manganese perovskite oxide: an active electrocatalyst for the oxygen reduction reaction and oxygen evolution reaction

Enoch, Carolin Mercy; Ingavale, Sagar; Marbaniang, Phiralang; Patil, Indrajit; Swami, Anita

doi:10.1039/d3ta03808d

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta03808d

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Molten salt-directed synthesis of strontium manganese perovskite oxide: an active electrocatalyst for the oxygen reduction reaction and oxygen evolution reaction

Carolin Mercy Enoch,

Sagar Ingavale,

Phiralang Marbaniang

et al.

Abstract: We report a molten-salt pathway for the synthesis of strontium manganese perovskite oxide (SMO), its phase transition with the variation of temperature and demonstrate the intrinsic catalytic behaviour of different...

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2024

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Cited by 6 publications

References 63 publications

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Recent Advances in Perovskite Oxides for Oxygen Evolution Reaction: Structures, Mechanisms, and Strategies for Performance Enhancement

Sun,

Yuan,

Liu

et al. 2024

Adv Funct Materials

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Perovskite‐type oxides are widely employed as oxygen evolution reaction (OER) electrocatalysts due to their tunable composition, diverse structure, abundant natural reserves, remarkable stability, and low cost. The intrinsic OER electrocatalytic activity of these perovskite oxides is generally enhanced by improving conductivity, increasing specific surface area, and optimizing the adsorption of oxygen‐containing intermediates. This is achieved through rationally designed strategies, including compositional engineering, defect engineering, hybridization, and surface regulation. In this review, recent advances in perovskite oxides for OER are summarized, with a focus on exploring structure‐performance relationships. This review provides a brief introduction to the application of perovskite oxides in OER, followed by the classification and characteristics of these perovskite oxides. The primary OER catalytic mechanisms, and well‐established activity descriptors are discussed. The key strategies are concentrated for enhancing OER activity, including composition engineering, defect engineering, hybridization, and surface reconstruction. Finally, the challenges and opportunities in developing high‐performance perovskite oxides as OER electrocatalysts are presented.

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Recent Advances in Perovskite Oxides for Oxygen Evolution Reaction: Structures, Mechanisms, and Strategies for Performance Enhancement

Sun,

Yuan,

Liu

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Strategic Design and Insights into Lanthanum and Strontium Perovskite Oxides for Oxygen Reduction and Oxygen Evolution Reactions

Ingavale,

Gopalakrishnan,

Enoch

et al. 2024

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Perovskite oxides exhibit bifunctional activity for both oxygen reduction (ORR) and oxygen evolution reactions (OER), making them prime candidates for energy conversion in applications like fuel cells and metal‐air batteries. Their intrinsic catalytic prowess, combined with low‐cost, abundance, and diversity, positions them as compelling alternatives to noble metal and metal oxides catalysts. This review encapsulates the nuances of perovskite oxide structures and synthesis techniques, providing insight into pivotal active sites that underscore their bifunctional behavior. The focus centers on the breakthroughs surrounding lanthanum (La) and strontium (Sr)‐based perovskite oxides, specifically their roles in zinc‐air batteries (ZABs). An introduction to the mechanisms of ORR and OER is provided. Moreover, the light is shed on strategies and determinants central to optimizing the bifunctional performance of La and Sr‐based perovskite oxides.

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The colossal magnetoresistance within wide temperature range in LaMnO3 compound

Wang,

Dong,

Zhao

et al. 2024

J Mater Sci: Mater Electron

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Molten salt-directed synthesis of strontium manganese perovskite oxide: an active electrocatalyst for the oxygen reduction reaction and oxygen evolution reaction

Abstract: We report a molten-salt pathway for the synthesis of strontium manganese perovskite oxide (SMO), its phase transition with the variation of temperature and demonstrate the intrinsic catalytic behaviour of different...

Cited by 6 publications

References 63 publications

Recent Advances in Perovskite Oxides for Oxygen Evolution Reaction: Structures, Mechanisms, and Strategies for Performance Enhancement

Recent Advances in Perovskite Oxides for Oxygen Evolution Reaction: Structures, Mechanisms, and Strategies for Performance Enhancement

Strategic Design and Insights into Lanthanum and Strontium Perovskite Oxides for Oxygen Reduction and Oxygen Evolution Reactions

The colossal magnetoresistance within wide temperature range in LaMnO3 compound

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