Enhanced formic acid electrolysis of Pd sites by improved OH adsorption assisted by MoP

Yu, Lice; Wang, Shuli; Yang, Yun; Feng, Ligang

doi:10.1039/d4cc00661e

Chem. Commun.

2024

DOI: 10.1039/d4cc00661e

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Enhanced formic acid electrolysis of Pd sites by improved OH adsorption assisted by MoP

Lice Yu,

Shuli Wang,

Yun Yang

et al.

Abstract: MoP nanofiber-coupled Pd nanoparticles were demonstrated as efficient catalysts for formic acid-assisted water splitting in hydrogen generation. The theoretical calculations indicated that the OH on the surface of MoP through...

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Cited by 4 publications

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Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation

Du,

Zhou,

et al. 2024

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Direct formic acid fuel cell (DFAFC) is an efficient power generation device, due to its high energy density, low fuel crossover and low emission. However, the anodic reaction of DFAFC, formic acid oxidation (FAOR), inevitably proceeds through an indirect pathway, adsorbing carbon monoxide intermediate (COads), resulting in a rapid decline of activity for FAOR. Therefore, effectively removing COads is the key to the development of DFAFC. In this work, Pd/CeO2 catalyst is synthesized by in situ growth of Pd nanoparticles on the hollow CeO2. Due to the difference of work function between Pd and CeO2, a built‐in electric field from Pd side to CeO2 side is formed, which induces a synergistic enhancement of the photogenerated carrier density and the local high hydroxyl concentration at the Pd/CeO2 interface, thus promoting the oxidative removal of COads and significantly improving the stability of FAOR. Therefore, in photo‐assisted electrocatalytic FAOR, Pd/CeO2 not only possessed high mass activity (4161.72 mA mg−1Pd), and its mass activity decreases by only 20.1% after 40000 s chronoamperometry test, which is superior to most Pd‐based catalysts. This work provides a new strategy for efficient removal of COads in FAOR through constructing built‐in electric fields, which promotes the DFAFC application.

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Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation

Du,

Zhou,

et al. 2024

Small

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Advances in green hydrogen generation based on MoSe2 hybrid catalysts

Li,

Wang,

Abdukayum

et al. 2024

Electrochimica Acta

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Thiol-assisted regulated electronic structure of ultrafine Pd-based catalyst for superior formic acid electrooxidation performances

Hu,

Li,

Wang

et al. 2025

Journal of Environmental Chemical Engineering

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Enhanced formic acid electrolysis of Pd sites by improved OH adsorption assisted by MoP

Abstract: MoP nanofiber-coupled Pd nanoparticles were demonstrated as efficient catalysts for formic acid-assisted water splitting in hydrogen generation. The theoretical calculations indicated that the OH on the surface of MoP through...

Cited by 4 publications

References 28 publications

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation

Advances in green hydrogen generation based on MoSe2 hybrid catalysts

Thiol-assisted regulated electronic structure of ultrafine Pd-based catalyst for superior formic acid electrooxidation performances

Contact Info

Product

Resources

About

Enhanced formic acid electrolysis of Pd sites by improved OH adsorption assisted by MoP

Abstract: MoP nanofiber-coupled Pd nanoparticles were demonstrated as efficient catalysts for formic acid-assisted water splitting in hydrogen generation. The theoretical calculations indicated that the OH on the surface of MoP through...

Cited by 4 publications

References 28 publications

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of COads in Electrocatalytic Formic Acid Oxidation

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of COads in Electrocatalytic Formic Acid Oxidation

Advances in green hydrogen generation based on MoSe2 hybrid catalysts

Thiol-assisted regulated electronic structure of ultrafine Pd-based catalyst for superior formic acid electrooxidation performances

Contact Info

Product

Resources

About

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation

Electric Field‐Induced Synergetic Enhancement of Local Hydroxyl Concentration and Photogenerated Carrier Density for Removal of CO_ads in Electrocatalytic Formic Acid Oxidation