Plamen Atanassov

CO2 Electrolysis Paired with Glycerol Oxidation on Transition-Metal Single-Atom Catalysts

Attila Kormányos, Adrienn Szirmai, Yuhan Chen, Eamonn Murphy et autres

Abstract Pairing the carbon dioxide reduction process with the electrocatalytic oxidation of glycerol (GOR), instead of the typically applied oxygen evolution reaction, can substantially decrease the cell voltage while forming high-value products at both electrodes. In this contribution, glycerol oxidation was driven …

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Oxygen Evolution Reaction on Porous Iridium Oxide / Titanium Dioxide Electrodes Obtained by Plasma Electrolytic Oxidation

Daniele Moraschini, Camille Roiron, Pierangela Cristiani, Plamen Atanassov et autres

In recent years, research on Proton Exchange Membrane Water Electrolysis (PEMWE) has emphasized the development of iridium oxide catalysts with large electrochemical surface areas and reduced metal content. Titanium dioxide nanostructures can be promising support materials for electrode fabrication because of their …

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Cobalt Spinels and Delafossites as Catalysts for the Oxygen Evolution Reaction in Acidic Media

Christopher Pantayatiwong Liu, Plamen Atanassov

The oxygen evolution reaction (OER) is a common anodic couple in electrochemical systems given the ubiquity of employing aqueous electrolytes. In basic conditions, the OER is typically catalyzed via platinum-group-metal-free (PGM-free) electrodes, like Ni mesh and, increasingly, NiFe oxyhydroxides. In acidic conditions, …

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Electrocatalysts with Pt Supported on Modified Mesoporous Carbon: Controlling Pt Nanoparticles Locality Allows Reducing the Effect of Ionomer Poisoning on Catalyst Performance

Youngin Cho, S.-J. Park, Sungmin Kim, Yun Sik Kang et autres

Recent decades have seen extensive research on high-performance platinum (Pt)-based catalysts for the oxygen reduction reaction in proton exchange membrane fuel cells (PEMFCs). The ionomer sulfonate group (SO 3 - ) can poison the catalysts and severely restrict the active sites, mass …

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NADH and NMNH Regeneration Using Palladium Hydride Electrocatalysts

Rachel Sasadeusz, Suphanida Worakaensai, Han Li, Plamen Atanassov

Regeneration of noncanonical redox cofactors (NRCs) has received increased attention due to their ability to improve the overall selectivity and activity of biochemical production processes. Given the universality of canonical redox cofactors such as nicotinamide adenine dinucleotide (NAD⁺/NADH) and nicotinamide adenine diphosphate …

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Core-Shell Iridium Oxide Supported on Titanium Oxide Oxygen Evolution Reaction Catalysts Derived by Adams Fusion Deposition

Lindsay Zhang, Christopher Pantayatiwong Liu, Plamen Atanassov

This work employs Adams Fusion process as an approach to synthesize a core-shell IrO x on in-house prepared TiO 2 spheroidal particles. It builds upon our previous experience in designing supported and core-shell IrO x catalysts for OER. 1,2 Adams Fusion is …

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NADH and NMNH Regeneration Using Palladium Hydride Electrocatalysts

Rachel Sasadeusz, Suphanida Worakaensai, Han Li, Plamen Atanassov

Regeneration of noncanonical redox cofactors (NRCs) has received increased attention due to their ability to improve the overall selectivity and activity of biochemical production processes. Given the universality of canonical redox cofactors such as nicotinamide adenine dinucleotide (NAD⁺/NADH) and nicotinamide adenine diphosphate …

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Electrochemically Probing the Reactivity of Laccase and Laccase-Containing Coacervates for the Conversion of Lignins Towards Value Added Products

Lok‐kun Tsui, Ernest Asamani, Telmo Díez Pérez, Martin L. Kirk et autres

A pathway for the conversion of woody materials to value added products would motivate the harvesting of material from overgrown lands prone to wildfires that threaten life and property. The polysaccharide chemical precursors in the wood matrix are secured with lignin, which …

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Core-Shell Iridium Oxide Supported on Titanium Oxide Oxygen Evolution Reaction Catalysts Derived by Adams Fusion Deposition

Lindsay Zhang, Christopher Pantayatiwong Liu, Plamen Atanassov

This work employs Adams Fusion process as an approach to synthesize a core-shell IrO x on in-house prepared TiO 2 spheroidal particles. It builds upon our previous experience in designing supported and core-shell IrO x catalysts for OER. 1,2 Adams Fusion is …

us (code pays fourni par la source)

Cobalt Spinels and Delafossites as Catalysts for the Oxygen Evolution Reaction in Acidic Media

Christopher Pantayatiwong Liu, Plamen Atanassov

The oxygen evolution reaction (OER) is a common anodic couple in electrochemical systems given the ubiquity of employing aqueous electrolytes. In basic conditions, the OER is typically catalyzed via platinum-group-metal-free (PGM-free) electrodes, like Ni mesh and, increasingly, NiFe oxyhydroxides. In acidic conditions, …

us (code pays fourni par la source)

Impact of Carbon Support Structure on Hydrophilic/Hydrophobic Properties and Pt Utilization in PEMFC Cathode Catalysts

Alessio Cosenza, Camille Roiron, Plamen Atanassov

Proton exchange membrane fuel cells (PEMFCs) are increasingly considered for medium- and heavy-duty vehicles as part of broader efforts to reduce transportation-related carbon emissions. Yet, the long-term durability of the cathode catalyst layer remains a central challenge, particularly because the oxygen reduction …

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Rethinking alkaline water electrolysis under industrial conditions

Christopher Pantayatiwong Liu, Maria Pagliaro, Anastasiia Semenova, Grace Lindquist et autres

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