Hierarchical Nitrogen-Doped Carbon: A Versatile Catalyst for Oxygen Reduction and Evolution Reactions DOI Creative Commons
Anand Parkash,

Adeel Mukhtar Arain,

Masroor Abro

et al.

ECS Journal of Solid State Science and Technology, Journal Year: 2024, Volume and Issue: 13(8), P. 081003 - 081003

Published: Aug. 1, 2024

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

Language: Английский

Exploring innovative trends and advancements in rechargeable zinc-air batteries DOI
Sheraz Ahmed, Awais Ali, Muhammad Asif

et al.

Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 170, P. 113288 - 113288

Published: Oct. 10, 2024

Language: Английский

Citations

11
Light-Driven Photocathodes in Li/Zn-O2 (air) Batteries: An Analytical Review, Technological Breakthroughs and Future Challenges DOI Creative Commons
Md Iftekher Hossain,

Foysal Kabir Tareq,

Souman Rudra

et al.

Energy storage materials, Journal Year: 2025, Volume and Issue: unknown, P. 104025 - 104025

Published: Jan. 1, 2025

Language: Английский

Citations

1
A biomass-modified carbon nitride composite electrode for photoelectrocatalytic enhancement of overall water splitting DOI
Rui Su, Rong Wang,

Haojing Wang

et al.

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 117, P. 24 - 38

Published: March 14, 2025

Language: Английский

Citations

1
NiFe Co-doped TiO2 as a high-performance bifunctional photocatalyst for enhanced oxygen evolution and reduction reactions in efficient zinc-air battery systems DOI Creative Commons
M. Zakir Hossain,

Foysal Kabir Tareq,

Souman Rudra

et al.

Electrochemistry Communications, Journal Year: 2025, Volume and Issue: unknown, P. 107942 - 107942

Published: April 1, 2025

Language: Английский

Citations

0
A 25 cm2 single Si-based solar redox flow battery with aqueous iodine-bromine redox couples DOI Creative Commons
Jungmyung Kim, Tashfeen Akhtar, Yang Liu

et al.

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 644, P. 237045 - 237045

Published: April 26, 2025

Language: Английский

Citations

0
Dual active site pathways in cobalt-based bimetallic catalysts enhance oxygen evolution reaction activity: Density functional theory studies DOI

Zeliang Ju,

Xiujuan Tan,

X.Y. Zhang

et al.

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 55, P. 105428 - 105428

Published: Nov. 13, 2024

Language: Английский

Citations

3
Mono‐/Bimetallic Doped and Heterostructure Engineering for Electrochemical Energy Applications DOI Creative Commons
Dawei Chu,

Zhongwang Liang,

Yi Cheng

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 25, 2024

Abstract Designing efficient materials is crucial to meeting specific requirements in various electrochemical energy applications. Mono‐/bimetallic doped and heterostructure engineering have attracted considerable research interest due their unique functionalities potential for conversion storage. However, addressing material imperfections such as low conductivity poor active sites requires a strategic approach design. This review explores the latest advancements modified by mono‐/bimetallic heterojunction strategies It can be subdivided into three key points: (i) regulatory mechanisms of metal doping materials; (ii) preparation methods with strategies; (iii) synergistic effects two approaches, further highlighting applications supercapacitors, alkaline ion batteries, electrocatalysis. Finally, concludes perspectives recommendations advance these technologies.

Language: Английский

Citations

2
Promoting Reaction Kinetics of the Air Cathode for Neutral Zinc–Air Batteries by the Photothermal Effect DOI
Chenyi Zhao,

Ruixiang Guo,

Yeming Zhai

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(46), P. 63580 - 63588

Published: Nov. 9, 2024

Rechargeable neutral zinc–air batteries are attracting enormous research interest due to their long lifetime and low cost. However, the sluggish kinetics of air cathode in electrolyte reduces catalytic performance impedes power density energy efficiency batteries. In this work, we propose a universal, sustainable, effective approach improve through solar-energy-induced photothermal effect. By illumination cost-effective carbon-black-based cathode, temperature increases from room 40.5 °C, thereby accelerating for electrocatalytic reaction reducing interfacial resistance battery. Attributed sunlight-promoted kinetics, battery exhibits higher 2.89 mW cm–2 longer cycling durability over 250 h, 116 156% times one without light illumination, significantly improved contrast illumination. Furthermore, demonstrated solar energy-driven solar-enhanced charging daytime discharging at night, potentially applying distributed storage applications. The proposed sustainable solar-energy-promoted cathodes will drive development efficient also inspire rational design electrodes other electrochemical devices.

Language: Английский

Citations

2
Hierarchical Nitrogen-Doped Carbon: A Versatile Catalyst for Oxygen Reduction and Evolution Reactions DOI Creative Commons
Anand Parkash,

Adeel Mukhtar Arain,

Masroor Abro

et al.

ECS Journal of Solid State Science and Technology, Journal Year: 2024, Volume and Issue: 13(8), P. 081003 - 081003

Published: Aug. 1, 2024

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

Language: Английский

Citations

0