A5020516490- Electrocatalysts for Energy Conversion
- Asymmetric Hydrogenation and Catalysis
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Organometallic Complex Synthesis and Catalysis
- Catalysis and Hydrodesulfurization Studies
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Catalysis for Biomass Conversion
- Electrochemical Analysis and Applications
- Carbon dioxide utilization in catalysis
- Nanomaterials for catalytic reactions
- Molecular Junctions and Nanostructures
- Chalcogenide Semiconductor Thin Films
- Metal complexes synthesis and properties
- Quantum Dots Synthesis And Properties
- Synthesis and characterization of novel inorganic/organometallic compounds
- Conducting polymers and applications
- Surface Chemistry and Catalysis
- Copper-based nanomaterials and applications
- Hybrid Renewable Energy Systems
- Magnetism in coordination complexes
- Chemical Synthesis and Analysis
- Synthetic Organic Chemistry Methods
- Crystallization and Solubility Studies
Institute for the Chemistry of OrganoMetallic Compounds
2016-2025
National Research Council
2009-2023
National Interuniversity Consortium of Materials Science and Technology
2003-2021
Polo d’Innovazione di Genomica
2016
National Academies of Sciences, Engineering, and Medicine
2013-2015
ETH Zurich
2014
Laboratoire de Chimie de Coordination
2014
Xiamen University
2012
University of Milan
1999-2008
University of Lisbon
2004
One of the biggest obstacles to dissemination fuel cells is their cost, a large part which due platinum (Pt) electrocatalysts. Complete removal Pt difficult if not impossible task for proton exchange membrane (PEM-FCs). The anion cell (AEM-FC) has long been proposed as solution non-Pt metals may be employed. Despite this, few examples Pt-free AEM-FCs have demonstrated with modest power output. main obstacle preventing realization high density AEM-FC sluggish hydrogen oxidation (HOR) kinetics...
Abstract The electrooxidation of ethylene glycol (EG) and glycerol (G) has been studied: in alkaline media, passive as well active direct fuel cells (DEGFCs), (DGFCs) containing Pd‐(Ni‐Zn)/C an anode electrocatalyst, that is, Pd nanoparticles supported on a Ni–Zn phase. For comparison, electrocatalyst (Pd/C) also investigated. oxidation EG G primarily investigated half cells. results obtained have highlighted the excellent electrocatalytic activity terms peak current density, which is high...
Abstract Here we review recent developments and technological advances in the field of electrochemical reduction carbon dioxide to fuels, energy carriers precursors other interesting building blocks for industrial applications. Synthetic hydrocarbon fuels derived from CO 2 /H O are proposed as alternatives hydrogen an carrier that enables a carbon‐neutral cycle, given their inherent advantages high H/C ratio convenience storage transportation. The represents feasible route direct generation...
This work reports a high power, stable, completely Pt-free anion exchange membrane fuel cell (AEMFC) comprised of highly active catalysts – Pd-CeO2/C at the anode and PdCu/C alloy cathode for hydrogen oxidation oxygen reduction reactions, respectively. The resulting AEMFC shows outstanding performance, reaching peak power density 1 W cm−2, twice value best performance cells reported in literature to date. also low voltage degradation rate when operated continuously more than 100 h constant...
FeCo@Fe@Pd nanocatalyst exhibits excellent selectivity towards the oxidation of EG and glycerol in ADAFCs.
Ether-bond-free polyfluorene (PBF) anion exchange membranes (AEMs) containing flexible alkyl pendent chains terminated with piperidinium cations were prepared via one-pot, superacid-catalyzed polycondensation and a subsequent quaternization reaction. Hydrophilic hydrophobic microphase segregation was observed in all AEMs. The hydroxide conductivity of PBF2-Br reaches up to 86 mS cm–1 at 80 °C, 1H NMR showed no measurable degradation after alkaline treatment aqueous NaOH (1 M) solution for...
This study reports the preparation, characterization, and electrocatalytic properties of palladium-based catalysts containing ceria (CeO2) on carbon black (CB) onion-like (OLC) supports. The electrocatalysts (Pd–CeO2/CB Pd–CeO2/OLC) exhibit a large specific surface area, pore volume, small particle size, as well enhanced interfacial interaction synergy among Pd, CeO2, OLC in Pd–CeO2/OLC that are valuable for improved electrocatalysis. presence CeO2 induces ca. 7% defects modifies electronic...
The new water soluble ruthenium complexes [(C5R5)RuCl(PTA)2] (R = H, Me; PTA 1,3,5-triaza-7-phosphaadamantane) were synthesised and characterised. Their evaluation as regioselective catalysts for hydrogenation of unsaturated ketones in aqueous biphasic conditions cytotoxic agents towards the TS/A adenocarcinoma cell line is briefly presented.
Abstract The selective and simultaneous production of hydrogen chemicals from renewable alcohols, such as ethanol, glycerol, ethylene glycol, can be accomplished by means electrolyzers in which the anode electrocatalyst is appropriately designed to promote partial oxidation alcohol. In described herein, 1 kg aqueous ethanol occurs with one‐third amount energy required a traditional H 2 /O electrolyzer, virtue much lower potential acetate vs. water oxygen alkaline media ( E 0 =0.10 V 1.23 V)....
Ni-Zn and Ni-Zn-P alloys supported on Vulcan XC-72 are effective materials for the spontaneous deposition of palladium through redox transmetalation with Pd(IV) salts. The obtained, Pd-(Ni-Zn)/C Pd-(Ni-Zn-P)/C, have been characterized by a variety techniques. analytical spectroscopic data show that surface Pd-(Ni-Zn-P)/C contain very small, highly dispersed, crystalline clusters as well single sites, likely stabilized interaction oxygen atoms from Ni--O moieties. As reference material,...
Abstract Pd nanoparticles have been generated by performing an electroless procedure on a mixed ceria (CeO 2 )/carbon black (Vulcan XC‐72) support. The resulting material, Pd–CeO /C, has characterized means of transmission electron microscopy (TEM), inductively coupled plasma atomic emission spectroscopy (ICP–AES), and X‐ray diffraction (XRD) techniques. Electrodes coated with /C scrutinized for the oxidation ethanol in alkaline media half cells as well passive active direct fuel (DEFCs)....
The adsorption and electrooxidation pathways of ethylene glycol (EG) on polycrystalline palladium surfaces have been investigated in both alkaline acidic media by situFTIR spectroscopy conjunction with cyclic voltammetry. Palladium exhibits a high electrocatalytic activity solution low onset oxidation potentials current densities, depending the pH, as well supporting electrolyte. Higher are required for EG solutions, where catalytic performance decreases increasing pH. products intermediates...
An electrolyzer assembled with a Rh/C nanostructured anode electrode, promotes the partial oxidation of alcohols and high-purity hydrogen evolution in alkaline media at low energy input.
Anion exchange membrane fuel cells (AEMFCs) offer several important advantages with respect to proton cells, including the possibility of avoiding use platinum catalysts help overcome high cost cell systems. Despite such potential benefits, slow kinetics hydrogen oxidation reaction (HOR) in alkaline media and limitations performance stability (because degradation anion conducting polymer electrolyte components) have generally impeded AEMFC development. Replacing Pt an active but more...
Abstract Carbon supported nanostructured palladium or alloys are considered the best performing anode electrocatalysts currently employed in alkaline electrolyte membrane direct ethanol fuel cells (AEM‐DEFCs). High initial peak power densities generally obtained as Pd preferentially favors selective oxidation of forming acetate thus avoiding strongly poisoning intermediates such CO. However, few studies exist that investigate DEFC performance terms both energy efficiency and discharge...