Regulating the Oxygen Evolution Mechanism through In Situ Reconstruction of Ru-Modified Manganese Oxybromide DOI Creative Commons

C. J. Lin,

Tsung‐Yi Chen, Tao Zhou

et al.

ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 2641 - 2649

Published: May 7, 2025

Language: Английский

Electrochemical N–N Oxidatively Coupled Dehydrogenation of 3,5-Diamino-1H-1,2,4-triazole for Value-Added Chemicals and Bipolar Hydrogen Production DOI Creative Commons
Jiachen Li, Yang Li,

Yuqiang Ma

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

Electrochemical H2 production from water favors low-voltage molecular oxidation to replace the oxygen evolution reaction as an energy-saving and value-added approach. However, there exists a mismatch between high demand for slow anodic reactions, restricting practical applications of such hybrid systems. Here, we propose bipolar approach, with generation N–N oxidatively coupled dehydrogenation (OCD) 3,5-diamino-1H-1,2,4-triazole (DAT), in addition cathodic generation. The system requires relatively low potentials 0.872 1.108 V vs RHE reach 10 500 mA cm–2, respectively. H-type electrolyzer only 0.946 1.129 deliver 100 respectively, electricity consumption (1.3 kWh per m3 H2) reduced by 68%, compared conventional splitting. Moreover, process is highly appealing due absence traditional hazardous synthetic conditions azo compounds at anode crossover/mixing H2/O2 electrolyzer. A flow-type operates stably cm–2 300 h. Mechanistic studies reveal that Pt single atom nanoparticle (Pt1,n) optimize adsorption S active sites over Pt1,n@VS2 catalysts. At anode, stepwise −NH2 DAT then oxidative coupling −N–N– predominantly form while generating H2. present report paves new way atom-economical aminotriazole green electrosynthesis chemicals.

Language: Английский

Citations

2
Single metal, dual sites: Co-P moieties enable efficient and stable electrochemical hydrogen production DOI
Zewen Zhuang, Yong Zhang, Jiujun Zhang

et al.

Science China Chemistry, Journal Year: 2025, Volume and Issue: 68(5), P. 1630 - 1631

Published: March 13, 2025

Citations

0
Enhanced CO2 Electroreduction by Stabilizing *COOH on Ni Single Atoms via Short‐ and Long‐Range Electronic Modulation DOI

Longlong Qi,

Haiyang Li, Shaochen Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Abstract Ni single‐atoms (SAs) are active for electrocatalytic CO 2 reduction reaction (CO RR) to CO, but their performance still needs be further improved practical implementation. Herein, a strategy of “short‐ and long‐range modulation” is reported synergistically modulate the electronic structure SAs by constructing nanoparticles (NPs) integrated with N, P‐coordinated on N‐doped carbon supports (Ni‐P 1 N 3 /Ni NPs @NC). Experiments theoretical calculations reveal that both short‐range modulation involving Ni–P coordination collectively enhance electron localization around SAs, thus increasing binding strength key * COOH intermediate. This results in an RR lowering energy barrier. Ni‐P @NC exhibits Faradaic efficiency exceeding 99.0% across wide potential range from −0.5 −1.1 V versus reversible hydrogen electrode (vs RHE), highest partial current density −544 mA cm −2 at vs RHE.

Language: Английский

Citations

0
Bimetallic metal-organic frameworks as versatile electrocatalysts for water splitting in neutral and alkaline environments DOI

Syed Arfan Haider,

Tehseen Mushtaq,

Bakhtawar Sajjad

et al.

Fuel, Journal Year: 2025, Volume and Issue: 397, P. 135488 - 135488

Published: April 25, 2025

Language: Английский

Citations

0
Regulating the Oxygen Evolution Mechanism through In Situ Reconstruction of Ru-Modified Manganese Oxybromide DOI Creative Commons

C. J. Lin,

Tsung‐Yi Chen, Tao Zhou

et al.

ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 2641 - 2649

Published: May 7, 2025

Language: Английский

Citations

0