A. Paolone
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View article: Impact of the Si Electrode Morphology and of the Added Li‐Salt on the SEI Formed Using EMIFSI‐Based Ionic‐Liquid Electrolytes
Impact of the Si Electrode Morphology and of the Added Li‐Salt on the SEI Formed Using EMIFSI‐Based Ionic‐Liquid Electrolytes Open
This work presents an in‐depth chemical and morphological investigation of the solid electrolyte interphase (SEI) formed on binder‐free silicon electrodes, which include both nanowire (Si‐NW) and amorphous (a‐Si) configurations, for next‐g…
View article: Vapor Pressure of Ionic Liquids with a Common Tetrabutylammonium Cation and Three Different Anions
Vapor Pressure of Ionic Liquids with a Common Tetrabutylammonium Cation and Three Different Anions Open
The vapor pressures, pv, of three ionic compounds used as starting materials of deep eutectic systems, namely, tetrabutylammonium bromide (TBA-Br), tetrabutylammonium trifluoromethanesulfonate (TBA-TFO), and tetrabutylammonium bis(trifluor…
View article: Development of ion-beam sputtered silicon nitride thin films for low-noise mirror coatings of gravitational-wave detectors
Development of ion-beam sputtered silicon nitride thin films for low-noise mirror coatings of gravitational-wave detectors Open
International audience
View article: Argon release, crystallization, morphological and optical changes of ion-beam sputtered Ta2O5 thin films during thermal treatments
Argon release, crystallization, morphological and optical changes of ion-beam sputtered Ta2O5 thin films during thermal treatments Open
Mass spectrometry measurements at high temperatures on amorphous Ta2O5, produced by Ion Beam Sputtering (IBS) and widely used for the high reflective coatings of the mirrors of gravitational-wave detectors, detect a release of argon around…
View article: A 3D Printed Air-Tight Cell Adaptable for Far-Infrared Reflectance, Optical Photothermal Infrared Spectroscopy, and Raman Spectroscopy Measurements
A 3D Printed Air-Tight Cell Adaptable for Far-Infrared Reflectance, Optical Photothermal Infrared Spectroscopy, and Raman Spectroscopy Measurements Open
Material characterization and investigation are the basis for improving the performance of electrochemical devices. However, many compounds with electrochemical applications are sensitive to atmospheric gases and moisture; therefore, even …
View article: Intermolecular Interactions in Mixed Choline Acetate and Maleic Acid Systems
Intermolecular Interactions in Mixed Choline Acetate and Maleic Acid Systems Open
Mixed systems based on ionic liquids are promising innovative solvents due to their properties, which are strictly connected to the interactions that arise among the components. The present work investigates the intermolecular interactions…
View article: Conformational Geometry Matters: The Case of the Low-Melting-Point Systems of Tetrabutylammonium Triflate with Fumaric or Maleic Acid
Conformational Geometry Matters: The Case of the Low-Melting-Point Systems of Tetrabutylammonium Triflate with Fumaric or Maleic Acid Open
For this article, the interaction of tetrabutylammonium trifluoromethanesulfonate (TBATFO) with either fumaric (FUM) or maleic (MAL) acid has been investigated. These acids are isomers and can be considered the trans and cis configurations…
View article: Ar transport and blister growth kinetics in titania-doped germania-based optical coatings
Ar transport and blister growth kinetics in titania-doped germania-based optical coatings Open
Blistering is a phenomenon sometimes observed in sputtered-deposited thin films but seldom investigated in detail. Here, we consider the case of titania-doped germania (TGO)/silica multilayers deposited by ion beam sputtering. TGO is a can…
View article: Dynamics in Quaternary Ionic Liquids with Non-Flexible Anions: Insights from Mechanical Spectroscopy
Dynamics in Quaternary Ionic Liquids with Non-Flexible Anions: Insights from Mechanical Spectroscopy Open
The present work investigates how mechanical properties and ion dynamics in ionic liquids (ILs) can be affected by ILs’ design while considering possible relationships between different mechanical and transport properties. Specifically, we…
View article: Some Considerations about the Anodic Limit of Ionic Liquids Obtained by Means of DFT Calculations
Some Considerations about the Anodic Limit of Ionic Liquids Obtained by Means of DFT Calculations Open
Ionic liquids are good candidates as the main component of safe electrolytes for high-energy lithium-ion batteries. The identification of a reliable algorithm to estimate the electrochemical stability of ionic liquids can greatly speed up …
View article: Solid–Electrolyte Interface Formation on Si Nanowires in Li-Ion Batteries: The Impact of Electrolyte Additives
Solid–Electrolyte Interface Formation on Si Nanowires in Li-Ion Batteries: The Impact of Electrolyte Additives Open
The morphological changes of Si nanowires (Si NWs) cycled in 1:1 ethylene–carbonate (EC)/diethyl–carbonate (DEC) with or without different additives, fluoroethylene carbonate (FEC) or vinylene carbonate (VC), as well as the composition of …
View article: Hydrogen and Deuterium Solubility, Diffusivity and Permeability from Sorption Measurements in the Ni33Ti39Nb28 Alloy
Hydrogen and Deuterium Solubility, Diffusivity and Permeability from Sorption Measurements in the Ni33Ti39Nb28 Alloy Open
The hydrogen/deuterium sorption properties of Ni33Ti39Nb28 synthesized by the vacuum induction melting technique were measured between 400 and 495 °C for pressure lower than 3 bar. The Sieverts law is valid up to H(D)/M < 0.2 in its ideal …
View article: An electrochemical compatibility investigation of RTIL-based electrolytes with Si-based anodes for advanced Li-ion batteries
An electrochemical compatibility investigation of RTIL-based electrolytes with Si-based anodes for advanced Li-ion batteries Open
Silicon is amongst the most attractive anode materials for Li-ion batteries because of its high gravimetric and volumetric capacity; importantly, it is also abundant and cheap, thus sustainable. For a widespread practical deployment of Si-…
View article: Thermal Decomposition, Low Temperature Phase Transitions and Vapor Pressure of Less Common Ionic Liquids Based on the Bis(trifuoromethanesulfonyl)imide Anion
Thermal Decomposition, Low Temperature Phase Transitions and Vapor Pressure of Less Common Ionic Liquids Based on the Bis(trifuoromethanesulfonyl)imide Anion Open
Four ionic liquids (ILs) based on the bis(trifluoromethanesulfonyl)imide (NTf2) anion were synthesized and characterized concerning their thermal stability, the occurrence of low temperature phase transitions and their volatility. All thes…
View article: Argon and Other Defects in Amorphous SiO2 Coatings for Gravitational-Wave Detectors
Argon and Other Defects in Amorphous SiO2 Coatings for Gravitational-Wave Detectors Open
Amorphous SiO2 thin films are one of the two components of the highly reflective mirror coatings of gravitational-wave detectors. For this study, layers of amorphous SiO2 on crystalline Si substrates were produced by ion-beam sputtering (I…
View article: Thermodynamic Analysis of the Hydrolysis of Borate-Based Lithium Salts by Density Functional Theory
Thermodynamic Analysis of the Hydrolysis of Borate-Based Lithium Salts by Density Functional Theory Open
Here we discuss the thermodynamics of the hydrolysis of three borate-based lithium salts commonly used in aprotic electrolytes for lithium-ion batteries: lithium tetrafluoroborate (LiBF 4 ), lithium difluoro(oxalate)borate (LiODBF) and lit…
View article: NAi/Li Antisite Defects in the Li1.2Ni0.2Mn0.6O2 Li-Rich Layered Oxide: A DFT Study
NAi/Li Antisite Defects in the Li1.2Ni0.2Mn0.6O2 Li-Rich Layered Oxide: A DFT Study Open
Li-rich layered oxide (LRLO) materials are promising positive-electrode materials for Li-ion batteries. Antisite defects, especially nickel and lithium ions, occur spontaneously in many LRLOs, but their impact on the functional properties …
View article: Synthesis, Physical Properties and Electrochemical Applications of Two Ionic Liquids Containing the Asymmetric (Fluoromethylsulfonyl)(Trifluoromethylsulfonyl)imide Anion
Synthesis, Physical Properties and Electrochemical Applications of Two Ionic Liquids Containing the Asymmetric (Fluoromethylsulfonyl)(Trifluoromethylsulfonyl)imide Anion Open
Novel ionic liquid (IL) electrolytes based on the asymmetric (fluoromethylsulfonyl)(trifluoromethylsulfonyl)imide (FTFSI)− anion, combined with the N-trimethyl-N-butyl-ammonium (N1114)+ and N,N-diethyl-N-methyl-N(2-methoxyethyl)-ammonium (…
View article: So Similar, yet so Different: The Case of the Ionic Liquids N-Trimethyl-N (2-methoxyethyl)ammonium Bis (trifluoromethanesulfonyl)imide and N,N-Diethyl-N-methyl-N(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide
So Similar, yet so Different: The Case of the Ionic Liquids N-Trimethyl-N (2-methoxyethyl)ammonium Bis (trifluoromethanesulfonyl)imide and N,N-Diethyl-N-methyl-N(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide Open
Two ethoxy containing ionic liquids (ILs) sharing the same anion, N-trimethyl-N (2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide (N111(2O1)-TFSI) and N,N-diethyl-N-methyl-N (2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)i…
View article: Enhanced Stability of the Metal–Organic Framework MIL-101(Cr) by Embedding Pd Nanoparticles for Densification through Compression
Enhanced Stability of the Metal–Organic Framework MIL-101(Cr) by Embedding Pd Nanoparticles for Densification through Compression Open
International audience
View article: Mechanochemical Synthesis and Hydrogen Sorption Properties of a V-Ni Alloy
Mechanochemical Synthesis and Hydrogen Sorption Properties of a V-Ni Alloy Open
Vanadium can store large quantities of hydrogen (about 4 mass%). However, only half of it can be reversibly absorbed. To avoid this issue, various partial substitutions were previously proposed, such as Ni. In this work, we explore the syn…
View article: Replacement of Cobalt in Lithium-Rich Layered Oxides by n-Doping: A DFT Study
Replacement of Cobalt in Lithium-Rich Layered Oxides by n-Doping: A DFT Study Open
The replacement of cobalt in the lattice of lithium-rich layered oxides (LRLO) is mandatory to improve their environmental benignity and reduce costs. In this study, we analyze the impact of the cobalt removal from the trigonal LRLO lattic…
View article: Performances of different DFT functionals to calculate the anodic limit of fluorinated sulphonyl-imide anions for lithium cells
Performances of different DFT functionals to calculate the anodic limit of fluorinated sulphonyl-imide anions for lithium cells Open
In this paper we investigated the calculation of the anodic limit of two anions of ionic liquids, largely used as electrolyte of lithium batteries. Starting from a model based on calculations performed on single ions at the MP2 level of th…