Find Research Outputs

Search results

• 2015

  The 3R modification of LixTiS2 — insights into local electronic structures from high-temperature in situ NMR spectroscopy

  Wilkening, M., 2015, In : Philosophical Magazine / Letters. 95, p. 861-868

  Research output: Contribution to journal › Article

• The Electrochemical Performance of Rutile Nanorods for Lithium-Ion Batteries

  Uitz, M., Bottke, P., Schmidt, W., Hanzu, I. & Wilkening, M., 2015.

  Research output: Contribution to conference › Poster

• Very fast bulk Li ion diffusivity in crystalline Li_1.5Al_0.5Ti_1.5(PO₄)₃ as seen using NMR relaxometry

  Epp, V., Ma, Q., Hammer, E. M., Tietz, F. & Wilkening, M., 1 Jan 2015, In : Physical Chemistry Chemical Physics. 17, 48, p. 32115-32121 7 p.

  Research output: Contribution to journal › Article

  • diffusivity
  • Nuclear magnetic resonance
  • Ions
  • Crystalline materials
  • nuclear magnetic resonance
• 2016

  Ageing of Commercial 18650 Batteries Used in Tesla Model S Electric Vehicles

  Uitz, M., Sternad, M. & Wilkening, M., 2016.

  Research output: Contribution to conference › Poster

• Ageing studies on commercial 18650 batteries used in Tesla model S electric vehicles

  Uitz, M., Sternad, M. & Wilkening, M., 2016.

  Research output: Contribution to conference › Poster

• A highly concentrated ether electrolyte for efficient Na-ion half cells

  Schafzahl, L., Wilkening, M. & Freunberger, S., 27 Sep 2016.

  Research output: Contribution to conference › Poster

• A Microbattery Made from Monocrystalline Silicon

  Sternad, M. & Wilkening, M., 31 May 2016.

  Research output: Contribution to conference › (Old data) Lecture or Presentation

• An Electrolyte for Reversible Cycling of Na Metal and Na Intercalation Compounds

  Schafzahl, L., Hanzu, I., Wilkening, M. & Freunberger, S., 18 Nov 2016, In : ChemSusChem.

  Research output: Contribution to journal › Article

• An Unexpected Pathway: ⁶Li-Exchange NMR Spectroscopy Points to Vacancy-Driven Out-of-Plane Li-Ion Hopping in Crystalline Li₂SnO₃

  Langer, J., Smiley, D. L., Bain, A. D., Goward, G. R. & Wilkening, M., 18 Feb 2016, In : The Journal of Physical Chemistry / C. 120, 6, p. 3130-3138 9 p.

  Research output: Contribution to journal › Article

  • Nuclear magnetic resonance spectroscopy
  • Vacancies
  • Ions
  • Crystalline materials
  • nuclear magnetic resonance

• Crystal chemistry of "li₇La₃Zr₂O₁₂" garnet doped with Al, Ga, and Fe: A short review on local structures as revealed by NMR and Mößbauer spectroscopy studies

  Rettenwander, D., Wagner, R., Langer, J., Maier, M. E., Wilkening, M. & Amthauer, G., 2016, In : European journal of mineralogy. 28, 3, p. 619-629 11 p.

  Research output: Contribution to journal › Article

  • Crystal chemistry
  • crystal chemistry
  • Garnets
  • nuclear magnetic resonance
  • garnet

• Crystal Structure of Garnet-Related Li-Ion Conductor Li_7-3xGa_xLa₃Zr₂O₁₂: Fast Li-Ion Conduction Caused by a Different Cubic Modification?

  Wagner, R., Redhammer, G. J., Rettenwander, D., Senyshyn, A., Schmidt, W., Wilkening, M. & Amthauer, G., 22 Mar 2016, In : Chemistry of Materials. 28, 6, p. 1861-1871 11 p.

  Research output: Contribution to journal › Article

  • Garnets
  • Cations
  • Crystal structure
  • Positive ions
  • Single crystals

• Diffusion-induced ⁷Li NMR spin-lattice relaxation of fully lithiated, mixed-conducting Li₇Ti₅O₁₂

  Schmidt, W. & Wilkening, M., 1 Apr 2016, In : Solid State Ionics. 287, p. 77-82 6 p.

  Research output: Contribution to journal › Article

  • Spin-lattice relaxation
  • spin-lattice relaxation
  • Nuclear magnetic resonance
  • Ions
  • conduction

• Discriminating the Mobile Ions from the Immobile Ones in Li_4+xTi₅O₁₂: ⁶Li NMR Reveals the Main Li⁺ Diffusion Pathway and Proposes a Refined Lithiation Mechanism

  Schmidt, W. & Wilkening, M., 2 Jun 2016, In : The Journal of Physical Chemistry / C. 120, 21, p. 11372-11381 10 p.

  Research output: Contribution to journal › Article

  • Nuclear magnetic resonance
  • Ions
  • nuclear magnetic resonance
  • Magic angle spinning
  • insertion

• Electrochemical preparation of tin-titania nanocomposite arrays

  Prutsch, D., Wilkening, M. & Hanzu, I., 1 Jan 2016, In : RSC Advances. 6, 100, p. 98243-98247 5 p.

  Research output: Contribution to journal › Article

  • Tin
  • Electrodeposition
  • Nanocomposites
  • Titanium
  • Nanotubes

• Electrochemical properties of spinel Li₄Ti₅O₁₂ nanoparticles prepared via a low-temperature solid route

  Senna, M., Fabián, M., Kavan, L., Zukalová, M., Briančin, J., Turianicová, E., Bottke, P., Wilkening, M. & Šepelák, V., 1 Oct 2016, In : Journal of solid state electrochemistry. 20, 10, p. 2673-2683 11 p.

  Research output: Contribution to journal › Article

  • Electrochemical properties
  • spinel
  • routes
  • Nanoparticles
  • nanoparticles

• Evaluating the trade-off between mechanical and electrochemical performance of separators for lithium-ion batteries: Methodology and application

  Plaimer, M., Breitfuß, C., Sinz, W., Heindl, S. F., Ellersdorfer, C., Steffan, H., Wilkening, M., Hennige, V., Tatschl, R., Geier, A., Schramm, C. & Freunberger, S., 2016, In : Journal of power sources. Volume 306, p. 702-710

  Research output: Contribution to journal › Article

• High-Energy Mechanical Treatment Boosts Ion Transport in Nanocrystalline Li₂B₄O₇

  Wohlmuth, D., Epp, V., Stanje, B., Welsch, A-M., Behrens, H. & Wilkening, M., 2 Mar 2016, In : Journal of the American Ceramic Society.

  Research output: Contribution to journal › Article

• Identifying fast Li ions at the interfaces in composites of ionic liquids (EMIMTFSI) and Li salts (LiTFSI) by long-time ⁷Li NMR

  Stanje, B., Bottke, P., Hanzu, I., Marczewski, M., Johansson, P. & Wilkening, M., 2016.

  Research output: Contribution to conference › Poster

• Investigation of the Electron Transfer at Si Electrodes: Impact and Removal of the Native SiO2 Layer

  Bülter, H., Sternad, M., dos Santos Sardinha, E., Witt, J., Dosche, C., Wilkening, M. & Wittstock, G., 2016, In : Journal of the Electrochemical Society. 163, 3, p. A504-A512

  Research output: Contribution to journal › Article

• LiBi₃S₅—A lithium bismuth sulfide with strong cation disorder

  Nakhal, S., Wiedemann, D., Stanje, B., Dolotko, O., Wilkening, M. & Lerch, M., 2016, In : Journal of solid state chemistry. p. 60 - 67

  Research output: Contribution to journal › Article

• Mechanochemically Synthesized Fluorides: Local Structures and Ion Transport

  Preishuber-Pflügl, F. A. & Wilkening, M., 26 Apr 2016, In : Dalton Transactions. 45, p. 8675-8687 13 p.

  Research output: Contribution to journal › Article

  Open Access

• Method for Determination of the Internal Short Resistance and Heat Evolution at Different Mechanical Loads of a Lithium Ion Battery Cell Based on Dummy Pouch Cells

  Volck, T., Sinz, W., Gstrein, G., Breitfuß, C., Heindl, S. F., Steffan, H., Freunberger, S., Wilkening, M., Uitz, M., Fink, C. & Geier, A., 7 Apr 2016, In : Batteries. 2, 2, p. 0-8 8 p.

  Research output: Contribution to journal › Article

  Open Access

• Myth and Reality about the Origin of Inductive Loops in Impedance Spectra of Lithium-Ion Electrodes - A Critical Experimental Approach

  Brandstätter, H., Hanzu, I. & Wilkening, M., 3 May 2016, In : Electrochimica acta. 207, p. 218-223 6 p.

  Research output: Contribution to journal › Article

  • Solid electrolytes
  • Lithium
  • Ions
  • Electrodes
  • Electrochemical impedance spectroscopy

• Overall conductivity and NCL-type relaxation behavior in nanocrystalline sodium peroxide Na2O2—Consequences for Na-oxygen batteries

  Dunst, A., Sternad, M. & Wilkening, M., 13 Jun 2016, In : Materials Science and Engineering / B. 211, p. 85-93 8 p.

  Research output: Contribution to journal › Article

• Powering the Digital Revolution: A Miniaturized Lithium Battery Made of Single-Crystalline Silicon

  Sternad, M., Forster, M. & Wilkening, M., 21 Jun 2016.

  Research output: Contribution to conference › Poster

• Separating bulk from grain boundary Li ion conductivity in the sol-gel prepared solid electrolyte Li_1.5Al_0.5Ti_1.5(PO₄)₃

  Breuer, S., Prutsch, D., Ma, Q., Epp, V., Preishuber-Pflügl, F. A., Tietz, F. & Wilkening, M., Mar 2016.

  Research output: Contribution to conference › Poster

• Structural and Electrochemical Consequences of Al and Ga Cosubstitution in Li₇La₃Zr₂O₁₂ Solid Electrolytes

  Rettenwander, D., Redhammer, G., Preishuber-Pflügl, F., Cheng, L., Miara, L., Wagner, R., Welzl, A., Suard, E., Doeff, M. M., Wilkening, M., Fleig, J. & Amthauer, G., 26 Apr 2016, In : Chemistry of Materials. 28, 7, p. 2384-2392 9 p.

  Research output: Contribution to journal › Article

  • Solid electrolytes
  • Phase transitions
  • Garnets
  • Ionic conductivity
  • Electrochemical properties

• Synthesis, Crystal Structure, and Stability of Cubic Li_7-xLa₃Zr_2-xBi_xO₁₂

  Wagner, R., Rettenwander, D., Redhammer, G. J., Tippelt, G., Sabathi, G., Musso, M. E., Stanje, B., Wilkening, M., Suard, E. & Amthauer, G., 5 Dec 2016, In : Inorganic chemistry. 55, 23, p. 12211-12219 9 p.

  Research output: Contribution to journal › Article

  • Garnets
  • Crystal structure
  • garnets
  • Nuclear magnetic resonance spectroscopy
  • crystal structure

• The microstructure matters: breaking down the barriers with single crystalline silicon as negative electrode in Li-ion batteries

  Sternad, M., Forster, M. & Wilkening, M., 17 Aug 2016, In : Scientific Reports. 6, 8 p., 31712.

  Research output: Contribution to journal › Article

  File

  • silicon
  • microstructure
  • electrode
  • electric vehicle
  • ion

• The Solid Electrolyte Interface in Emerging Battery Chemistries

  Schafzahl, L., Ehmann, H., Kriechbaum, M., Wilkening, M. & Freunberger, S., 2016.

  Research output: Contribution to conference › (Old data) Lecture or Presentation

  • Solid electrolytes
  • Sodium
  • Ions
  • Alkali Metals
  • Carbonates

• Ultra-slow Li ion jump diffusion in Li₂SnO₃ studied by two-time ⁷Li spin-alignment echo NMR and ⁷Li NMR relaxometry

  Langer, J. & Wilkening, M., 1 Oct 2016, In : Solid State Ionics. 293, p. 85-93 9 p.

  Research output: Contribution to journal › Article

  • echoes
  • alignment
  • Nuclear magnetic resonance
  • Ions
  • nuclear magnetic resonance

• Unravelling Ultraslow Lithium-Ion Diffusion in γ-LiAlO₂: Experiments with Tracers, Neutrons, and Charge Carriers

  Wiedemann, D., Nakhal, S., Rahn, J., Witt, E., Islam, M. M., Zander, S., Heitjans, P., Schmidt, H., Bredow, T., Wilkening, M. & Lerch, M., 9 Feb 2016, In : Chemistry of Materials. 28, 3, p. 915-924 10 p.

  Research output: Contribution to journal › Article

  • Charge carriers
  • Lithium
  • Neutrons
  • Ions
  • Experiments
• 2018

  An Alternative Strategy for the Preparation of Polymer-Based Electrodes for Organic Batteries

  Beichel, D., Schmuck, M., Koller, S., Hanzu, I., Wilkening, H. M. R., Gollas, B. & Saf, R., 2018.

  Research output: Contribution to conference › Poster

• Arrhenius Behavior of the Bulk Na-Ion Conductivity in Na₃Sc₂(PO₄)₃ Single Crystals Observed by Microcontact Impedance Spectroscopy

  Rettenwander, D., Redhammer, G. J., Guin, M., Benisek, A., Krüger, H., Guillon, O., Wilkening, M., Tietz, F. & Fleig, J., 13 Mar 2018, In : Chemistry of Materials. 30, 5, p. 1776-1781 6 p.

  Research output: Contribution to journal › Article

  • Single crystals
  • Spectroscopy
  • Ions
  • Solid electrolytes
  • Temperature

• Bulk and grain-boundary ionic conductivity in sodium zirconophosphosilicate Na₃Zr₂(SiO₄)₂PO₄ (NASICON)

  Lunghammer, S., Ma, Q., Rettenwander, D., Hanzu, I., Tietz, F. & Wilkening, M., 1 Jun 2018, In : Chemical Physics Letters. 701, p. 147-150 4 p.

  Research output: Contribution to journal › Article

  • Ionic conductivity
  • ion currents
  • Grain boundaries
  • grain boundaries
  • Sodium

• F anion dynamics in cation-mixed nanocrystalline LaF₃: SrF₂

  Breuer, S., Lunghammer, S., Kiesl, A. & Wilkening, M., 1 Oct 2018, In : Journal of Materials Science. 53, 19, p. 13669-13681 13 p.

  Research output: Contribution to journal › Article

  • Anions
  • Cations
  • Negative ions
  • Positive ions
  • Ions

• Fast 2D diffusion in nano crystalline RbSn2F5 as seen by impedance and magnetic nuclear resonance measurments

  Gombotz, M., Lunghammer, S., Breuer, S., Preishuber-Pflügl, F. A. & Wilkening, M., 2018.

  Research output: Contribution to conference › Poster

• Fast Na ion transport triggered by rapid ion exchange on local length scales

  Lunghammer, S., Prutsch, D., Breuer, S., Rettenwander, D., Hanzu, I., Ma, Q., Tietz, F. & Wilkening, H. M. R., 1 Dec 2018, In : Scientific Reports. 8, 1, 11970.

  Research output: Contribution to journal › Article

  Open Access

  • Ion exchange
  • Nuclear magnetic resonance
  • Ions
  • Spin-lattice relaxation
  • Ionic conductivity

• Fluorine translational anion dynamics in nanocrystalline ceramics: SrF₂-YF₃ solid solutions

  Breuer, S., Stanje, B., Pregartner, V., Lunghammer, S., Hanzu, I. & Wilkening, M., 5 Mar 2018, In : Crystals. 8, 3, 122.

  Research output: Contribution to journal › Article

  • Fluorine
  • Anions
  • fluorine
  • Solid solutions
  • solid solutions

• Interface instability of Fe-stabilized Li₇La₃Zr₂O₁₂ versus li metal

  Rettenwander, D., Wagner, R., Reyer, A., Bonta, M., Cheng, L., Doeff, M. M., Limbeck, A., Wilkening, M. & Amthauer, G., 22 Feb 2018, In : The Journal of Physical Chemistry / C. 122, 7, p. 3780-3785 6 p.

  Research output: Contribution to journal › Article

  • Metals
  • Electrolytes
  • interlayers
  • interface stability
  • electrolytes

• Ion dynamics in a new class of materials: Nanoglassy lithium alumosilicates

  Stanje, B., Bottke, P., Breuer, S., Hanzu, I., Heitjans, P. & Wilkening, M., 1 Mar 2018, In : Materials Research Express. 5, 3, 035202.

  Research output: Contribution to journal › Article

  Open Access

  • Lithium
  • Ions
  • Nuclear magnetic resonance
  • Nanocrystalline materials
  • Glass

• Ion Transport in Lithium-Argyrodites Li6PS5X (X: Cl, Br, I): Activation energies, Pre-Factors, Lattice Disorder and Polarizabilities

  Hanghofer, I., Rettenwander, D. & Wilkening, M., 18 Jun 2018.

  Research output: Contribution to conference › Poster

• Lithium-Festelektrolyte für Energiespeicher

  Rettenwander, D. & Wilkening, M., 1 May 2018, In : Nachrichten aus der Chemie. 66, 5, p. 499-504 6 p.

  Research output: Contribution to journal › Article

• Long-Chain Li and Na Alkyl Carbonates as Solid Electrolyte Interphase Components: Structure, Ion Transport, and Mechanical Properties

  Schafzahl, L., Ehmann, H., Kriechbaum, M., Sattelkow, J., Ganner, T., Plank, H., Wilkening, M. & Freunberger, S. A., 22 May 2018, In : Chemistry of Materials. 30, 10, p. 3338-3345 8 p.

  Research output: Contribution to journal › Article

  • Carbonates
  • Solid electrolytes
  • Transport properties
  • Electrolytes
  • Ions

• Mismatch in cation size causes rapid anion dynamics in solid electrolytes: the role of the Arrhenius pre-factor

  Breuer, S. & Wilkening, M., 2018, In : Dalton Transactions. 47, 12, p. 4105-4117 13 p.

  Research output: Contribution to journal › Article

  Open Access

  • Solid electrolytes
  • Anions
  • Cations
  • Ions
  • Spin-lattice relaxation

• Nuclear Spin Relaxation in Nanocrystalline beta-Li3PS4 Reveals Low- Dimensional Li Diffusion in an Isotropic Matrix

  Prutsch, D., Gadermaier, B., Brandstaetter, H., Pregartner, V., Stanje, B., Wohlmuth, D., Epp, V., Rettenwander, D., Hanzu, I. & Wilkening, H. M. R., 13 Nov 2018, In : Chemistry of Materials. 30, 21, p. 7575-7586

  Research output: Contribution to journal › Article

• Nuclear spin relaxation in nanocrystalline β-Li3PS4 reveals low-dimensional Li diffusion in an isotropic matrix

  Tapler, D., Gadermaier, B., Brandstätter, H., Pregartner, V., Stanje, B., Wohlmuth, D., Epp, V., Rettenwander, D., Hanzu, I. & Wilkening, M., 12 Oct 2018, In : Chemistry of Materials.

  Research output: Contribution to journal › Article

• Rapid Li Ion Dynamics in the Interfacial Regions of Nanocrystalline Solids

  Breuer, S., Uitz, M. & Wilkening, H. M. R., 19 Apr 2018, In : Journal of Physical Chemistry Letters. 9, 8, p. 2093-2097 5 p.

  Research output: Contribution to journal › Article

  • Ions
  • Solid state physics
  • Magnetic relaxation
  • Borohydrides
  • Metallurgy

• Structure and ion dynamics in solid electrolytes with anti-perovskite structure

  Hanghofer, I., Rhode, S., Hanzu, I., Rettenwander, D. & Wilkening, M., 17 May 2018.

  Research output: Contribution to conference › Poster

• The Battery’s New Clothes: Structure and Li-ion dynamics of the Crystalline Lithium-Rich Anti-Perovskites Li3OCl and Li2(OH)Cl

  Hanghofer, I., Rhode, S., Rettenwander, D. & Wilkening, M., 18 Jun 2018.

  Research output: Contribution to conference › Poster