Self-Supported Porous Carbon Monoliths for Electrocatalytic Hydrogen Evolution in Alkaline Freshwater and Seawater DOI
Bei Li, Changshui Wang, Shuijian He

et al.

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

Published: Dec. 3, 2024

Developing efficient catalysts for seawater electrolysis hydrogen evolution reaction (HER) is crucial producing green hydrogen. Carbonized wood (CW), a porous carbon monolith, promising self-supporting electrocatalytic electrode owing to its environmentally friendly, sustainable, and hierarchically properties. However, the impact of different tree species on performance remains unclear. In this study, various types CWs, including carbonized poplar (PoCW), balsa (BaCW), fir (FiCW), pine (PiCW), have been selected investigate their in evolution. Among these, PoCW exhibits superior HER compared other attributed electrochemically active surface area, resistance, content oxygen-containing functional groups. demonstrates low overpotential 284 mV 356 at 10 mA cm–2 alkaline freshwater seawater, respectively. Moreover, shows long-term durability 100 h both seawater. This work guides selection wood-based monoliths that metal-free, CW-based electrodes hold great potential

Language: Английский

Highly efficient 2D/2D NiCo-LDH/CuInS2 nanocomposites for electrocatalytic hydrogen and oxygen evolution reactions DOI
Kotesh Kumar Mandari, Younghwan Im, Youngae Lee

et al.

Fuel, Journal Year: 2025, Volume and Issue: 388, P. 134505 - 134505

Published: Jan. 30, 2025

Language: Английский

Citations

3
Dual Hydrogen Production System: Synergistic Effect of Ru and Ce Over Cu2O Nanotubes Drives Hydrogen Evolution and Formaldehyde Oxidation DOI

Hongjie Yu,

Lijun Zhang,

Shaojian Jiang

et al.

Small, Journal Year: 2024, Volume and Issue: 20(47)

Published: Aug. 22, 2024

Water splitting for hydrogen production is limited by high cell voltage and low energy conversion efficiencies due to the slow kinetic process of oxygen evolution reaction (OER). Here, an electrolytic system constructed in which cathode anode co-release H

Language: Английский

Citations

5
Research Progress on the Synthesis of Nanostructured Photocatalysts and Their Environmental Applications DOI Creative Commons
Yanan Niu, Qi Shi, Tai Peng

et al.

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(9), P. 681 - 681

Published: April 30, 2025

Due to their unique photocatalytic properties, nanostructured photocatalysts have shown broad prospects for application in environmental treatment. In recent years, researchers significantly enhanced the charge separation efficiency and stability of by regulating semiconductor energy band structures, optimizing interface surface constructing heterogeneous introducing noble metal doping. This review systematically summarizes basic principles, synthesis methods, modification strategies focuses on research advances applications, such as water pollution control, air purification, carbon dioxide reduction. Meanwhile, this analyzes current challenges field, low quantum efficiency, insufficient stability, limited industrialization, outlines future development directions, including smart catalytic technology, fabrication multifunctional composites, large-scale synthesis, thereby providing a reference application.

Language: Английский

Citations

0
Magnetic Activation: A Novel Approach to Enhance Hydrogen Evolution Activity of Co0.85Se@CNTs Heterostructured Catalyst DOI Open Access
Hongyao Xue, Jiacheng Wang, Xiyue Li

et al.

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

Published: Aug. 29, 2024

The heterostructure strategy is currently an effective method for enhancing the catalytic activity of materials. However, challenge that how to further improve their performance, based on principles material modification must addressed. Herein, a introduced magnetically regulating enhance hydrogen evolution reaction (HER) Co

Language: Английский

Citations

3
Enhancing acidic hydrogen evolution through pyrrolic nitrogen-doped reduced graphene oxide triggering two-electron oxygen reduction DOI
Zhiqiang Hou, Hui Jiang, Yanru Guo

et al.

Inorganic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(14), P. 4318 - 4328

Published: Jan. 1, 2024

The Ni/N/O-GO/Ni electrode demonstrates enhanced hydrogen evolution reaction performance, facilitated by the concurrent two-electron oxygen reduction reaction.

Language: Английский

Citations

2
Self-Supported Porous Carbon Monoliths for Electrocatalytic Hydrogen Evolution in Alkaline Freshwater and Seawater DOI
Bei Li, Changshui Wang, Shuijian He

et al.

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

Published: Dec. 3, 2024

Developing efficient catalysts for seawater electrolysis hydrogen evolution reaction (HER) is crucial producing green hydrogen. Carbonized wood (CW), a porous carbon monolith, promising self-supporting electrocatalytic electrode owing to its environmentally friendly, sustainable, and hierarchically properties. However, the impact of different tree species on performance remains unclear. In this study, various types CWs, including carbonized poplar (PoCW), balsa (BaCW), fir (FiCW), pine (PiCW), have been selected investigate their in evolution. Among these, PoCW exhibits superior HER compared other attributed electrochemically active surface area, resistance, content oxygen-containing functional groups. demonstrates low overpotential 284 mV 356 at 10 mA cm–2 alkaline freshwater seawater, respectively. Moreover, shows long-term durability 100 h both seawater. This work guides selection wood-based monoliths that metal-free, CW-based electrodes hold great potential

Language: Английский

Citations

2