Search Results - "van Wüllen, Leo"

Mechanism of Li-Ion Migration in the Superionic Conducting Open-Framework Structure Li6B18(Li3N)1–x (Li2O) x (0 ≤ x ≤ 1) by Spranger, Robert J., Kirchhain, Holger, Restle, Tassilo M. F., Dums, Jasmin V., Karttunen, Antti J., van Wüllen, Leo, Fässler, Thomas F.

“…Solid lithium-ion conductors are important components for all-solid-state batteries and the knowledge of the mechanism of Li diffusion is an important step in…”
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Structural Role of Phosphate in Metaluminous Sodium Aluminosilicate Glasses As Studied by Solid State NMR Spectroscopy by Nizamutdinova, Alina, Uesbeck, Tobias, Grammes, Thilo, Brauer, Delia S, van Wüllen, Leo

“…In this contribution we present a detailed study of the effect of the addition of small to intermediate amounts of P2O5 (up to 7.5 mol %) on the network…”
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Structure and Dynamics of LiPON and NaPON Oxynitride Phosphate Glasses by Solid-State NMR by Muñoz, Francisco, Ren, Jinjun, van Wüllen, Leo, Zhao, Tongyao, Kirchhain, Holger, Rehfuß, Ulrich, Uesbeck, Tobias

“…Oxynitride phosphate glasses are a subfield of phosphate-based glasses, where part of the oxygen of the network has been replaced by nitrogen, in a process…”
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Super‐Ionic Conductivity in ω‐Li9TrP4 (Tr = Al, Ga, In) and Lithium Diffusion Pathways in Li9AlP4 Polymorphs by Restle, Tassilo M. F., Strangmüller, Stefan, Baran, Volodymyr, Senyshyn, Anatoliy, Kirchhain, Holger, Klein, Wilhelm, Merk, Samuel, Müller, David, Kutsch, Tobias, Wüllen, Leo, Fässler, Thomas F.

“…Phosphide‐based compounds are promising materials for solid electrolytes. In recent times, a multiplicity of compounds featuring isolated MP4 (M =…”
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Investigation of the chemical changes during the thermal treatment of acrylonitrile‐co‐methyl acrylate‐polymer (polyacrylonitrile‐precursor) focusing on the fate of the methyl acrylate moiety by Ruhland, Klaus, Horny, Robert, Wanzel, Andrea, Reisach, Sebastian, Nizamutdinova, Alina, Kirchhain, Holger, Rehfuss, Ulrich, Wüllen, Leo, Fischer, Andreas, Scheliga, Felix, Hübner, Tobias

“…Seventeen samples of acrylonitrile (AN)‐co‐methyl acrylate (MA)‐polymer (MA content 0–11 mol%) are examined. Several selective isotopic labelings are employed…”
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Novel Ternary Composite Electrolytes: Li Ion Conducting Ionic Liquids in Silica Glass by Echelmeyer, Thomas, Meyer, Hinrich Wilhelm, van Wüllen, Leo

“…In this contribution, we report on a novel composite solid electrolyte material, SiO2/[BMIM]BF4/LiTf ([BMIM]BF4 = 1-butyl-3-methylimidazolium…”
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The Color of the Elements: A Combined Experimental and Theoretical Electron Density Study of ScB2C2 by Haas, Christof D., Fischer, Andreas, Hauf, Christoph, Wieser, Christian, Schmidt, Andreas P., Eickerling, Georg, Scheidt, Ernst‐Wilhelm, Schiffmann, Jan G., Reckeweg, Olaf, DiSalvo, Francis J., Rodewald, Ute C., Pöttgen, Rainer, van Wüllen, Leo, Scherer, Wolfgang

“…The chemical or physical control parameters for the onset of superconductivity in MB2C2 hetero‐graphene materials are unclear. This is mainly due to the almost…”
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Syntheses, Crystal Structures, NMR Spectroscopy, and Vibrational Spectroscopy of Sr(PO3F)·H2O and Sr(PO3F) by Jantz, Stephan G., van Wüllen, Leo, Fischer, Andreas, Libowitzky, Eugen, Baran, Enrique J., Weil, Matthias, Höppe, Henning A.

“…Single crystals of Sr(PO3F)·H2O {P21/c, Z = 4, a = 7.4844(2) Å, b = 7.0793(2) Å, c = 8.4265(2) Å, β = 108.696(1)°, V = 422.91(2) Å3, 2391 Fo2, 70 parameters,…”
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Long-term entrapment and temperature-controlled-release of SF6 gas in metal–organic frameworks (MOFs) by Bunzen Hana, Kalytta-Mewes Andreas, Leo, van Wüllen, Volkmer, Dirk

“…In this work, a metal–organic framework (MOF), namely MFU-4, which is comprised of zinc cations and benzotriazolate ligands, was used to entrap SF6 gas…”
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Tribute to Hellmut Eckert by Smith, Luis, van Wüllen, Leo

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An advanced NMR protocol for the structural characterization of aluminophosphate glasses by van Wüllen, Leo, Tricot, Grégory, Wegner, Sebastian

“…In this work a combination of complementary advanced solid-state nuclear magnetic resonance (NMR) strategies is employed to analyse the network organization in…”
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Enhancement of Li Ion Conductivity by Electrospun Polymer Fibers and Direct Fabrication of Solvent-Free Separator Membranes for Li Ion Batteries by Freitag, Katharina M, Kirchhain, Holger, Wüllen, Leo van, Nilges, Tom

“…Poly­(ethylene oxide) (PEO)-based polymer fibers, containing different amounts of the conductive salt LiBF4 and the plasticizer succinonitrile, were prepared…”
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Fast Ionic Conductivity in the Most Lithium-Rich Phosphidosilicate Li14SiP6 by Strangmüller, Stefan, Eickhoff, Henrik, Müller, David, Klein, Wilhelm, Raudaschl-Sieber, Gabriele, Kirchhain, Holger, Sedlmeier, Christian, Baran, Volodymyr, Senyshyn, Anatoliy, Deringer, Volker L, van Wüllen, Leo, Gasteiger, Hubert A, Fässler, Thomas F

“…Solid electrolytes with superionic conductivity are required as a main component for all-solid-state batteries. Here we present a novel solid electrolyte with…”
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The First Alkaline‐Earth Fluorooxoborate Ba[B4O6F2]—Characterisation and Doping with Eu2 by Jantz, Stephan G., Pielnhofer, Florian, van Wüllen, Leo, Weihrich, Richard, Schäfer, Martin J., Höppe, Henning A.

“…The very first alkaline‐earth fluorooxoborate Ba[B4O6F2] was synthesised by solid state methods starting from Ba(BF4)2, β‐BaB2O4, and B2O3. The crystal…”
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Modifying the Properties of Fast Lithium-Ion ConductorsThe Lithium Phosphidotetrelates Li14SiP6, Li14GeP6, and Li14SnP6 by Strangmüller, Stefan, Eickhoff, Henrik, Raudaschl-Sieber, Gabriele, Kirchhain, Holger, Sedlmeier, Christian, van Wüllen, Leo, Gasteiger, Hubert A, Fässler, Thomas F

“…A broad repertoire of potential solid-state electrolytes is a prerequisite for the development and optimization of high-energy-density all-solid-state…”
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Local Cation Coordination Motifs in Polyphosphazene Based Composite Electrolytes by van Wüllen, Leo, Köster, Thomas K.-J, Wiemhöfer, Hans-Dieter, Kaskhedikar, Nitin

“…Solid electrolytes in the system BMEAP/LiTf/Al2O3 (BMEAP = poly[(bis(2-methoxy-ethyl)amino)(2−x)(propylamino) x ]polyphosphazene; x = 0.4, Tf = CF3SO3) were…”
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Sn[B2O3F2]—The First Tin Fluorooxoborate as Possible NLO Material by Jantz, Stephan G., Dialer, Marwin, Bayarjargal, Lkhamsuren, Winkler, Björn, van Wüllen, Leo, Pielnhofer, Florian, Brgoch, Jakoah, Weihrich, Richard, Höppe, Henning A.

“…Herein, the crystal structure as well as second‐harmonic‐generation (SHG), thermal and spectroscopic properties of Sn[B2O3F2] (TFB = tin‐fluorooxo‐borate) are…”
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Influence of Phosphate on Network Connectivity and Glass Transition in Highly Polymerized Aluminosilicate Glasses by Grammes, Thilo, de Ligny, Dominique, Scheffler, Franziska, Nizamutdinova, Alina, van Wüllen, Leo, Kamitsos, Efstratios I., Massera, Jonathan, Brauer, Delia S.

“…Melt-derived metaluminous (Al/Na = 1) aluminosilicate glasses in the system SiO2–Al2O3–Na2O–P2O5 were prepared with P2O5 and SiO2 contents varying from 0 to…”
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Phase Separation and Nanocrystallization in KF–ZnF2–SiO2 Glasses: Lessons from Solid-State NMR by Lin, Changgui, Rüssel, Christian, van Wüllen, Leo

“…In the present paper, we studied the structural evolution of the glass matrix and formation of crystalline fluoride phases for 15KF–15ZnF2–70SiO2 (glass A) and…”
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Lithium Phosphidogermanates α- and β‑Li8GeP4A Novel Compound Class with Mixed Li+ Ionic and Electronic Conductivity by Eickhoff, Henrik, Strangmüller, Stefan, Klein, Wilhelm, Kirchhain, Holger, Dietrich, Christian, Zeier, Wolfgang G, van Wüllen, Leo, Fässler, Thomas F

“…To utilize all-solid-state batteries as high power and energy density energy storage devices it is necessary to improve the current electrolyte materials and…”
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