3DOM Fe/Co-containing perovskites as bifunctional ORR/OER electrocatalysts for a photo-rechargeable zinc battery

Tabari, Taymaz; Łabuz, Przemysław; Singh, Dheerendra; Maximenko, Alexey; Gryboś, Joanna; Mathur, Sanjay; Sojka, Zbigniew; Macyk, Wojciech

doi:10.1016/j.apcatb.2024.124425

Applied Catalysis B: Environment and Energy

2024

DOI: 10.1016/j.apcatb.2024.124425

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3DOM Fe/Co-containing perovskites as bifunctional ORR/OER electrocatalysts for a photo-rechargeable zinc battery

Taymaz Tabari,

Przemysław Łabuz,

Dheerendra Singh

et al.

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Cited by 3 publications

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Advancing Mn-based electrocatalysts: evolving from Mn-centered octahedral entities to bulk forms

Li,

Xu,

Yang

et al. 2024

eScience

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Advancing Mn-based electrocatalysts: evolving from Mn-centered octahedral entities to bulk forms

Li,

Xu,

Yang

et al. 2024

eScience

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A hybrid MAPbI3/PEDOT-ZrO2 perovskedot composite for enhanced stability and charge transport in photo-batteries

Hassan,

Althobaiti,

Mohammad

et al. 2024

Inorganic Chemistry Communications

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Hierarchical Nitrogen-Doped Carbon: A Bifunctional Catalyst for Oxygen Reduction and Evolution Reactions

Parkash,

Mukhtar Arain,

Abro

2024

ECS J. Solid State Sci. Technol.

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This study presents the synthesis and characterization of hierarchical nitrogen-doped carbon (HCN-900), demonstrating remarkable electrocatalytic performance for both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER), outperforming traditional catalysts like RuO₂ and Pt/C. HCN-900 exhibits an onset potential of 0.98 V and a half-wave potential of 0.85 V for ORR, closely matching Pt/C performance while achieving an electron transfer number of 4.0, indicative of a four-electron pathway. For OER, HCN-900 achieves a current density of 10 mA cm⁻² at an overpotential of 223 mV, significantly lower than RuO₂ (288 mV) and Pt/C (363 mV). The material also shows a Tafel slope of 87 mV dec⁻¹, indicating rapid kinetics and efficient electron transfer. This impressive performance is attributed to the optimized structural and electronic properties of HCN-900, including its high surface area, hierarchical porosity, and nitrogen doping, which enhance active site density and promote electron transport. Furthermore, HCN-900 retains approximately 96.72% of its initial performance after 10 hours of continuous operation, demonstrating excellent long-term stability. The comprehensive analysis highlights HCN-900 as a promising bifunctional catalyst for advanced energy applications, providing a cost-effective and sustainable alternative to conventional catalysts. Its superior electrocatalytic properties make HCN-900 an excellent candidate for integration into next-generation energy conversion and storage systems.

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3DOM Fe/Co-containing perovskites as bifunctional ORR/OER electrocatalysts for a photo-rechargeable zinc battery

Cited by 3 publications

References 57 publications

Advancing Mn-based electrocatalysts: evolving from Mn-centered octahedral entities to bulk forms

Advancing Mn-based electrocatalysts: evolving from Mn-centered octahedral entities to bulk forms

A hybrid MAPbI3/PEDOT-ZrO2 perovskedot composite for enhanced stability and charge transport in photo-batteries

Hierarchical Nitrogen-Doped Carbon: A Bifunctional Catalyst for Oxygen Reduction and Evolution Reactions

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