Simply prepared α-Ni(OH)2-based electrode for efficient electrocatalysis of EOR and OER

Abdel-Samad, Hesham S.; El-Jemni, Mahmoud A.; Abd El Rehim, Sayed S.; Hassan, Hamdy H.

doi:10.1016/j.electacta.2024.144896

Electrochimica Acta

2024

DOI: 10.1016/j.electacta.2024.144896

|View full text |Cite

Simply prepared α-Ni(OH)2-based electrode for efficient electrocatalysis of EOR and OER

Hesham S. Abdel-Samad,

Mahmoud A. El-Jemni,

Sayed S. Abd El Rehim

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

2025

Publication Types

Select...

Article3

Relationship

Self Cite0

Independent3

Authors

Journals

Cited by 3 publications

References 110 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Electrodeposited pectin/reduced carbon dots scaffold on the pencil graphite electrode as a support of electroloaded nickel nanoparticles for electrocatalytic purpose

Habibi,

Farhadi,

Minaie

2024

International Journal of Hydrogen Energy

View full text Add to dashboard Cite

Electrodeposited pectin/reduced carbon dots scaffold on the pencil graphite electrode as a support of electroloaded nickel nanoparticles for electrocatalytic purpose

Habibi,

Farhadi,

Minaie

2024

International Journal of Hydrogen Energy

View full text Add to dashboard Cite

Facile synthesis of Fe2.96Cr0.03Ni0.01O4@Ag core-shell nanoparticles and its efficient applications in green hydrogen generation and in removing hazardous dyes

El Boraei,

El-Jemni,

Ibrahim

et al. 2025

Surfaces and Interfaces

View full text Add to dashboard Cite

Porous Substrate Optimization for Efficient Water Electrolysis: Uncovering Electrocatalysts, Electrolyte, and Bubble Dynamics Effects

Tsuburaya,

Obata,

Nagato

et al. 2024

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

Water electrolysis is a promising technique for producing hydrogen, a clean energy carrier essential for achieving a sustainable society. Reducing costs to meet the hydrogen demand is anticipated through operations at a high current density. However, excessive bubble formation during high-current operations deteriorates the electrolysis performance. Engineering substrates could help minimize additional overpotential while maintaining sufficient electrocatalyst amounts. In this study, we discuss optimizing porous substrates to maximize the oxygen evolution reaction (OER) and overall single-cell performance, using a Ni mesh model structure with or without NiFeO x catalyst decoration. The numerical simulation was conducted to reveal the contribution of an increase in electrode thickness, which augments electrocatalyst quantities. The calculation predicts that the OER overpotential decreases with the stacking number of electrodes. This estimation aligns with experimental results when the current density is 10 mA cm geo −2 . However, this monotonic trend was not observed at 800 cm geo −2, showing the optimal thickness that offers the lowest potential. The optimal thickness depends on the electrocatalyst's identity; electrocatalysts with a lower Tafel slope (NiFeO x over Ni) require thinner electrodes for maximum performance. We conducted optical bubble characterizations to track the primary bubble size. When comparing bubble size with the mesh aperture size, the correlation between bubble accumulation within the stacked meshes and the increase of overpotential at thicker electrodes becomes evident. Our study underscores the importance of the simultaneous development of electrocatalysts, electrolytes, and substrates.

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Simply prepared α-Ni(OH)2-based electrode for efficient electrocatalysis of EOR and OER

Cited by 3 publications

References 110 publications

Electrodeposited pectin/reduced carbon dots scaffold on the pencil graphite electrode as a support of electroloaded nickel nanoparticles for electrocatalytic purpose

Electrodeposited pectin/reduced carbon dots scaffold on the pencil graphite electrode as a support of electroloaded nickel nanoparticles for electrocatalytic purpose

Facile synthesis of Fe2.96Cr0.03Ni0.01O4@Ag core-shell nanoparticles and its efficient applications in green hydrogen generation and in removing hazardous dyes

Porous Substrate Optimization for Efficient Water Electrolysis: Uncovering Electrocatalysts, Electrolyte, and Bubble Dynamics Effects

Contact Info

Product

Resources

About