• Comparison of the ionic conductivity of pure imidazolium nitrate and that doped with a lithium nitrate salt in liquid and gel forms as potential electrolytes 

      Vallet, Pablo; Parajó, Juan José; Sotuela, Félix; Villanueva López, María; Cabeza, Óscar; Varela, Luis M.; Salgado, Josefa (MDPI, 2019-11-14)
      [Abstract] Current electrolytes for electrochemical energy storage devices are made of solvents, which often present problems of flammability, corrosion and high toxicity. Ionic liquids and mixtures with metal salts are ...
    • Determination of Thermophysical Properties of the Protic Ionic Liquid EIM NO₃, Pure and Doped with Lithium Nitrate Salt 

      Vallet, Pablo; Parajó, Juan José; Cabeza, Óscar; Varela, Luis M.; Salgado, Josefa; Villanueva López, María (MDPI, 2020-11-14)
      [Abstract] In this work, viscosity, density and electrical conductivity of the ionic liquid, Ethylimidazolium Nitrate pure and doped with lithium nitrate salt were determined in order to check the properties’ improvement ...
    • Electrical Conductivity and Nyquist Plot of C₄C₁Im BF₄ at Room Temperature by Impedance Spectroscopy 

      Vallet, Pablo; Parajó, Juan José; Sotuela, Félix; Morcillo, Ángel; Villanueva López, María; Cabeza, Óscar; Varela, Luis M.; Salgado, Josefa (MDPI, 2020-11-14)
      [Abstract] Ionic liquids (ILs) represent a real alternative for electrochemical applications due to their remarkable characteristics, namely a very low vapour pressure, low flammability, high thermal stability, wide potential ...
    • Influence of Small Quantities of Water on the Physical Properties of Alkylammonium Nitrate Ionic Liquids 

      Ausín, David; Parajó, Juan José; Trenzado, José L.; Varela, Luis M.; Cabeza, Óscar; Segade, Luisa (MDPI, 2021-07-08)
      [Abstract] This paper presents a comprehensive study of two alkylammonium nitrate ionic liquids. As part of this family of materials, mainly ethylammonium nitrate (EAN) and also propylammonium nitrate (PAN) have attracted ...
    • Ionogels: Polimeric and Sol-Gel Silica Nanoscaffolds of Ionic Liquids as Smart Materials 

      Santiago Alonso, Antía; Vallet Moreno, Pablo; Parajó, Juan José; Villanueva López, María; Cabeza, Óscar; Varela, Luis Miguel; Salgado, Josefa (MDPI, 2022-11-17)
      [Abstract] The purpose of this work is to check the viability of mixtures of ionic liquids and lithium salt as electrolytes in Li- batteries. Firstly, the determination of the thermo-electrical properties of liquid mixtures ...
    • Mixtures of Ethylammonium Nitrate and Ethylene Carbonate: Bulk and Interfacial Analysis 

      Lois-Cuns, Raúl; Otero-Lema, Martín; Rivera-Pousa, Alejandro; Vallet Moreno, Pablo; Parajó, Juan José; Cabeza, Óscar; Montes-Campos, Hadrián; Méndez-Morales, Trinidad; Varela, Luis M. (Elsevier, 2023-06-22)
      [Abstract] The structure and dynamics of binary mixtures of a protic ionic liquid (ethylammonium nitrate) and ethylene carbonate are studied by means of atomistic molecular dynamics simulations and experimental measurements ...
    • On the Physical Properties of Mixtures of Nitrate Salts and Protic Ionic Liquids 

      Vallet, Pablo; Bouzón-Capelo, Silvia; Méndez-Morales, Trinidad; Gómez-González, Víctor; Arosa, Yago; de la Fuente, Raúl; López Lago, Elena; Rodríguez, Julio R.; Gallego, Luis J.; Parajó, Juan José; Salgado, Josefa; Turmine, Mireille; Segade, Luisa; Cabeza, Óscar; Varela, Luis M. (Elsevier, 2022-01-19)
      [Abstract] We report a systematic study of the effect of salt concentration and its cation valence on several equilibrium and transport properties of mixtures of the model protic ionic liquid ethylammonium nitrate with ...
    • Structural Characterization by NMR Procedure of C₄C₁Pyrr TFSI Doped with Lithium TFSI Salt in Liquid and Gel States 

      Vallet, Pablo; Parajó, Juan José; Fernández-Míguez, Lois; Sotuela, Félix; Morcillo, Ángel; Villanueva López, María; Cabeza, Óscar; Matveev, Vladimir V.; Ievlev, Alexandr V.; Tutukin, Konstantin; Varela, Luis M.; Salgado, Josefa (MDPI, 2020-11-14)
      [Abstract] Ionic liquids represent a viable option as electrolytes for electrochemical applications such as energy storage devices, due to their high ionic conductivity and wide electrochemical window. However, liquid ...
    • Synthesis, Microstructure and Volumetry of Novel Metal Thiocyanate Ionic Liquids With [BMIM] Cation 

      Cabeza, Óscar; Varela, Luis M.; Rilo, Esther; Segade, Luisa; Domínguez-Pérez, Montserrat; Ausín, David; Pedro, Manuel de; Rodríguez Fernández, Jesús; González, Jesús Antonio; Vázquez-Tato, M. Pilar; Arosa, Yago; López Lago, Elena; Fuente, Raúl de la; Parajó, Juan José; Salgado, Josefa; Villanueva López, María; Matveev, Vladimir; Ievlev, A.V.; Seijas, Julio A. (Elsevier, 2019-03-17)
      [Abstract] We present a new family of ionic liquids (ILs) with a common cation, 1-butyl-3-methyl imidazolium, the popular [BMIM]+ (also written C4C1Im+) and a variety of anionic complexes (also called adducts) based in ...
    • Thermophysical Characterization of TFSI Based Ionic Liquid and Lithium Salt Mixtures 

      Fernández-Míguez, Lois; Vallet, Pablo; Tasende-Rodríguez, Lucía Camila; Doval, Alejandro; Villanueva López, María; Cabeza, Óscar; Varela, Luis M.; Salgado, Josefa; Parajó, Juan José (MDPI, 2019-11-14)
      [Abstract] The ionic liquids (ILs) doped with metal salts have become a real alternative as electrolytes for batteries, but the right choice of these compounds for reaching the adequate properties and performance is still ...