Highly active ultralow loading Pt electrodes for hydrogen evolution reaction developed by magnetron sputtering

Villamayor, Antía; Galyamin, Dmitry; Barrio, Laura V.; Berasategui, Eva G.; Rojas, Sergio

doi:10.1016/j.ijhydene.2024.03.226

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2024.03.226

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Highly active ultralow loading Pt electrodes for hydrogen evolution reaction developed by magnetron sputtering

Antía Villamayor,

Dmitry Galyamin,

Laura V. Barrio

et al.

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2024

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Cited by 2 publications

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Anchoring Pt nanoparticle onto monolayer VS2 nanosheets boost efficient acidic hydrogen evolution

Wang,

Wan,

Liu

et al. 2024

International Journal of Hydrogen Energy

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Anchoring Pt nanoparticle onto monolayer VS2 nanosheets boost efficient acidic hydrogen evolution

Wang,

Wan,

Liu

et al. 2024

International Journal of Hydrogen Energy

View full text Add to dashboard Cite

Magnetron Sputtered Low-Platinum Loading Electrode as HER Catalyst for PEM Electrolysis

Villamayor,

Alba,

Barrio

et al. 2024

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The development of cost-effective components for Proton Exchange Membrane (PEM) electrolyzers plays a crucial role in the transformation of renewable energy into hydrogen. To achieve this goal, two main issues should be addressed: reducing the Platinum Group Metal (PGM) content present on the electrodes and finding a large-scale electrode manufacturing method. Magnetron sputtering could solve these hurdles since it allows the production of highly pure thin films in a single-step process and is a well-established industrial and automated technique for thin film deposition. In this work, we have developed an ultra-low 0.1 mg cm−2 Pt loading electrode using magnetron sputtering gas aggregation method (MSGA), directly depositing the Pt nanoparticles on top of the carbon substrate, followed by a complete evaluation of the electrochemical properties of the sputtered electrode. These ultra-low Pt content electrodes have been thoroughly characterized and tested in a real electrolyzer cell. They demonstrate similar efficiency to commercial electrodes with a Pt content of 0.3 mg/cm2, achieving a 67% reduction in Pt loading. Additionally, durability tests indicate that these electrodes offer greater stability compared to their commercial counterparts. Thus, magnetron sputtering has been proven as a promising technology for manufacturing optimum high-performance electrodes at an industrial scale.

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Highly active ultralow loading Pt electrodes for hydrogen evolution reaction developed by magnetron sputtering

Cited by 2 publications

References 55 publications

Anchoring Pt nanoparticle onto monolayer VS2 nanosheets boost efficient acidic hydrogen evolution

Anchoring Pt nanoparticle onto monolayer VS2 nanosheets boost efficient acidic hydrogen evolution

Magnetron Sputtered Low-Platinum Loading Electrode as HER Catalyst for PEM Electrolysis

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