Gold nanoparticles-assisted sodium borohydride supported on titania as a catalyst for the oxidative steam reforming of methanol and CO oxidation

Atjayutpokin, Thanaphat; Eaimsumang, Srisin; Smith, Siwaporn Meejoo; Boonyuen, Supakorn; Luengnaruemitchai, Apanee

doi:10.1016/j.mtcomm.2022.105019

Materials Today Communications

2022

DOI: 10.1016/j.mtcomm.2022.105019

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Gold nanoparticles-assisted sodium borohydride supported on titania as a catalyst for the oxidative steam reforming of methanol and CO oxidation

Thanaphat Atjayutpokin¹,

Srisin Eaimsumang²,

Siwaporn Meejoo Smith³

et al.

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Cited by 2 publications

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Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol

Wu,

Lu,

Yang

et al. 2024

ChemSusChem

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CO2 hydrogenation to methanol has emerged as a promising strategy for achieving carbon neutrality and mitigating global warming, in which the supported Pd/In2O3 catalysts are attracting great attention due to their high selectivity. Nonetheless, conventional impregnation methods induce strong metal‐support interaction (SMSI) between Pd and In2O3, which leads to the excessive reduction of In2O3 and the formation of undesirable PdIn alloy in hydrogen‐rich atmospheres. Herein, we innovatively synthesized Pd/In2O3 nanocatalysts by the electrostatic self‐assembly process between surface‐modified composite precursors with opposite charges. And the organic ligands concurrently serve as Pd nanoparticle protective agents. The resultant Pd/In2O3 nanocatalyst demonstrates the homogeneous distribution of Pd nanoparticles with controllable sizes on In2O3 supports and the limited formation of PdIn alloy. As a result, it exhibits superior selectivity and stability compared to the counterparts synthesized by the conventional impregnation procedure. Typically, it attains a maximum methanol space‐time yield of 0.54 gMeOH h‐1gcat‐1 (300 °C, 3.5 MPa, 21,000 mL gcat‐1 h‐1). Notably, the correlation characterization results reveal the significant effect of small‐size, highly dispersed Pd nanoparticles in mitigating MSI. These results provide an alternative strategy for synthesizing highly efficient Pd/In2O3 catalysts and offer a new insight into the strong metal‐support interaction.

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Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol

Wu,

Lu,

Yang

et al. 2024

ChemSusChem

View full text Add to dashboard Cite

show abstract

Catalyst, reactor, reaction mechanism and CO remove technology in methanol steam reforming for hydrogen production: A review

Shi,

Peng,

Wang

et al. 2023

Fuel Processing Technology

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Gold nanoparticles-assisted sodium borohydride supported on titania as a catalyst for the oxidative steam reforming of methanol and CO oxidation

Cited by 2 publications

References 52 publications

Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol

Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol

Catalyst, reactor, reaction mechanism and CO remove technology in methanol steam reforming for hydrogen production: A review

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Gold nanoparticles-assisted sodium borohydride supported on titania as a catalyst for the oxidative steam reforming of methanol and CO oxidation

Cited by 2 publications

References 52 publications

Electrostatic Self‐Assembly Synthesis of Pd/In2O3 Nanocatalysts with Improved Performance Toward CO2 Hydrogenation to Methanol

Electrostatic Self‐Assembly Synthesis of Pd/In2O3 Nanocatalysts with Improved Performance Toward CO2 Hydrogenation to Methanol

Catalyst, reactor, reaction mechanism and CO remove technology in methanol steam reforming for hydrogen production: A review

Contact Info

Product

Resources

About

Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol

Electrostatic Self‐Assembly Synthesis of Pd/In₂O₃ Nanocatalysts with Improved Performance Toward CO₂ Hydrogenation to Methanol