Reductive Supramolecular In Situ Construction of Nano‐Platinum Effectively Couples Cathodic Hydrogen Evolution and Anodic Alcohol Oxidation DOI Creative Commons
Rui Bai,

Qiao Ye,

Cuiyu Li

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

The deployment of high-performance catalysts and the acceleration anodic reaction kinetics are key measures to achieve maximum energy efficiency in overall water electrolysis hydrogen production systems. Here, an innovative strategy is developed by directly constructing a supramolecular framework embedded with boron clusters cucurbituril as reducing agent. This approach enabled situ conversion Pt⁴⁺ into highly dispersed, small-sized nano-platinum, which subsequently distributed on boron-carbon-nitrogen (BCN) matrix. resulting Pt/BNHCSs catalyst demonstrates ability facilitate electrocatalytic splitting for across multiple scenarios while simultaneously accelerating methanol oxidation kinetics, significantly outperforming commercial Pt/C various aspects. cathodic evolution-anodic coupling system constructed using greatly reduces consumption system. In attenuated total reflection Fourier transform infrared online differential electrochemical mass spectrometry reveals that interface enhances H₂O adsorption promotes CH₃OH→CO process, density functional theory calculations indicated BCN support facilitated evolution H₂ CH₃OH CO, elucidating mechanism promoted oxidation.

Language: Английский

Reductive Supramolecular In Situ Construction of Nano‐Platinum Effectively Couples Cathodic Hydrogen Evolution and Anodic Alcohol Oxidation DOI Creative Commons
Rui Bai,

Qiao Ye,

Cuiyu Li

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

The deployment of high-performance catalysts and the acceleration anodic reaction kinetics are key measures to achieve maximum energy efficiency in overall water electrolysis hydrogen production systems. Here, an innovative strategy is developed by directly constructing a supramolecular framework embedded with boron clusters cucurbituril as reducing agent. This approach enabled situ conversion Pt⁴⁺ into highly dispersed, small-sized nano-platinum, which subsequently distributed on boron-carbon-nitrogen (BCN) matrix. resulting Pt/BNHCSs catalyst demonstrates ability facilitate electrocatalytic splitting for across multiple scenarios while simultaneously accelerating methanol oxidation kinetics, significantly outperforming commercial Pt/C various aspects. cathodic evolution-anodic coupling system constructed using greatly reduces consumption system. In attenuated total reflection Fourier transform infrared online differential electrochemical mass spectrometry reveals that interface enhances H₂O adsorption promotes CH₃OH→CO process, density functional theory calculations indicated BCN support facilitated evolution H₂ CH₃OH CO, elucidating mechanism promoted oxidation.

Language: Английский

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