Conference Contributions

2018

 

[66]   D. Rettenwander, H. M. R. Wilkening. G. J. Redhammer, “New insights into promising solid electrolytes”, talk, MRS Fall Meeting & Exhibit, Boston, USA.

[65]   C. Hiebl, D. Young, R. Wagner, H. M. R. Wilkening, G. J. Redhammer, D. Rettenwander,“Rapid Hydrogen Bulk Diffusion in Cubic Li7La3Zr2O12 Garnets as Probed by Single X-Ray Diffraction”, poster, Bunsen Colloquium, all solid-state batteries, Frankfurt, Germany, 2018/11/14 - 2018/11/16.

[64]   J. Ring, S. Smetazeck, S. Taibl, D. Rettenwander, A. Limbeck, J. Fleig, Impact of field stress on electrochemical properties of LLZO”, poster, Bunsen Colloquium, all solid-state batteries, Frankfurt, Germany, 2018/11/14 - 2018/11/16.

[63]   S. Smetazeck, A. Wachter-Welzl, M. Kubicek, J. Ring, S. Taibl, D. Rettenwander, R. Wagner, H. Hutter, A. Limbeck, J. Fleig,Towards a better Understanding of the Conductivity of Li7La3Zr2O12: Correlating Composition Variations and local Conductivities”, talk, Bunsen Colloquium, all solid-state batteries, Frankfurt, Germany, 2018/11/14 - 2018/11/16.

[62]   P. Posch, S. Lunghammer, S. Berendts, R. Uecker, D. Rettenwander, M. Wilkening, “Ion Dynamics in Al-Doped Cubic Li7La3Zr2O12 Garnet-Type Single Crystals”, Poster, AiMES, Cancun, Mexico, 2018/09/20 – 2018/10/04.

[61]   M. Brinek, S. Lunghammer, I. Hanzu, D. Rettenwander, M. Wilkening, “Go in and Go out —Change in Local Structure and Diffusivity in Monoclinic Li3+XV2(PO4)3 upon Li Insertion and Extraction”, poster, AiMES, Cancun, Mexico, 2018/09/20 – 2018/10/04.

[60]   C. Hiebl, S. Smetacek, S. Berendts, R. Uecker, G. Redhammer, A. Limbeck, J. Fleig,, D. Rettenwander, M. Wilkening, “Degradation of Li-Oxide Garnets in Humidity, Air and Aqueous Solutions: A Study Using a Large Li6.4La3ZrTaO12 Single Crystal”, poster, AiMES, Cancun, Mexico, 2018/09/20 – 2018/10/04.

[59]   R. Park, T. Swamy, B. W. Sheldon, D. Rettenwander, L. Porz, S. Berendts, R. Uecker, W. Craig Carter, Y.-M. Chiang, “Criteria for Lithium “Dendrite” Propagation Evaluated in Single Crystal Solid Electrolytes”, talk, AiMES, Cancun, Mexico, 2018/09/20 – 2018/10/04.

[58]   T. Swamy, L. Porz, B. W. Sheldon, D. Rettenwander, T. Frömling, H. Thaman, S. Berendts, R. Uecker, W. C. Carter, Y.-M. Chiang, “Mechanism of Lithium Metal Penetration through Inorganic Solid Electrolytes”, talk, AiMES, Cancun, Mexico, 2018/09/20 – 2018/10/04.

[57]   R. Park, T. Swamy, D. Rettenwander, W. C. Carter, Y.-M. Chiang, “Lithium “dendrite” morphology in transparent single crystal lithium ion conductors”, Poster, International Meeting for Li-Ion Batteries, Kyoto, Japan, 2018/06/17 – 2018/06/22.

[56]   Hanghofer, D. Rettenwander, M. Wilkening, “Ion Transport in Lithium-Argyrodites Li6PS5X (X: Cl, Br, I): Activation energies, Pre-Factors, Lattice Disorder and Polarizabilities”, Poster, International Meeting for Li-Ion Batteries, Kyoto, Japan, 2018/06/17 – 2018/06/22.

[55]   Hanghofer, D. Rettenwander, M. Wilkening, “The Battery’s New Clothes: Structure and Li-ion dynamics of the Crystalline Lithium-Rich Anti-Perovskites Li3OCl and Li2(OH)Cl”, Poster, International Metting for Li-Ion Batteries, Kyoto, Japan, 2018/06/17 – 2018/06/22.

[54]   G. Amthauer, R. Wagner, S.-U. Weber, D. Rettenwander, “Crystal chemistry of “Li7La3Zr2O12” garnet doped with Al, Ga, and Fe: a review”, Meeting of the international mineralogical association, Melbourne, Australia, 2018/08/13 – 2018/08/17.

[53]   D. Rettenwander, “The Nature of Interfaces in All Solid-State Batteries”, Advanced Material Science Day, Graz University of Technology, 2018/09/21 - 2018/09/21.

 

2017

 

[52]   D. Rettenwander, “Structure-property relationships of single crystalline Li/Na-ion conducting solid electrolytes”, talk, 21th Solid State Ionics, Padua, Italy, 2017/06/18 – 2017/06/23.

[51]   M. Kubicek, A. Wachter-Welzl, D. Rettenwander, R. Wagner, H. Hutter, G. Amthauser, J. Fleig,
"Oxygen Vacancies in Fast Ion Conducting Lithium-Garnets", poster, 21th Solid State Ionics, Padua, Italy, 2017/06/18 – 2017/06/23.

[50]   S. Taibl, A. Wachter-Welzl, R. Wagner, D. Rettenwander, S. Smetaczek, A. Limbeck, G. Amthauer, J. Fleig, "Spatially resolved electrochemical characterization and chemical analysis of Li6.4Al0.2La3Zr2O12 garnets", talk: 21th Solid State Ionics, Padua, Italy, 2017/06/18 – 2017/06/23

[49]   D. Rettenwander, S. Lunghammer, M. Guin, G. Redhammer, F. Tietz, J. Fleig, M. Wilkening:
"Fast Na-ion conducting NASICON-based electrolytes: insights from impedance spectroscopy and 23Na NMR Relaxometry"; talk, MRS Fall Meeting & Exhibit, Boston, USA, 2017/11/26 – 2017/12/01.

[48]   T. Swamy, L. Porz, B. W. Sheldon, D. Rettenwander, T. Frömling, H. Thaman, S. Berendts, R. Uecker, W. C. Carter, Y.-M. Chiang, “Mechanism of Lithium Metal Penetration through Inorganic Solid Electrolytes”, talk, 232nd ECS Meeting, Maryland, USA, 2018/09/01 – 2018/10/05.

[47]   S. Smetaczek, M. Bonta, A. Wachter-Welzl, St. Taibl, R. Wagner, D. Rettenwander, J. Fleig, A. Limbeck, "Investigating Li7-3xAlxLa3Zr2O12 garnets using laser based spectroscopic analysis techniques", talk, Reno, USA, 2017/10/08 – 2017/10/13.

[46]   D. Rettenwander, “Structure-property relationships of single crystalline Li/Na-ion conducting solid electrolytes”, talk, Austrian Chemistry Days, Salzburg, Austria, 2017/09/24 – 2017/09/27.

[45]   D. Rettenwander, R. Wagner, P. Posch, M. Bonta, A. Limbeck, G. Amthauer, M. Wilkening, “CHEMICAL STABILITY OF SOLID ELECTROLYTES: INTERFACE DEGRADATION OF CUBIC LLZO IN CONTACT WITH METALLIC LITHIUM”, poster, Dresden Battery Days, Dresden, Germany, 2017/09/18 – 2017/09/20.

 

2016

 

[44]   Wachter-Welzl, J. Kirowitz, R. Wagner, S. Smetaczek, M. Bonta, D. Rettenwander, G. Amthauer, A. Limbeck, J. Fleig, "The implication of inhomogeneities in Li7La3Zr2O12 ceramics",
poster, GDCH 2016, Goslar, Germany, 2016/09/26 - 2016/09/26.

[43]   R. Wagner, G. Redhammer, D. Rettenwander, G. Tippelt, M. Wilkening, W. Schmidt, A. Wachter-Welzl, S. Taibl, J. Fleig, G. Amthauer, "The Superior Garnet:Fast Li-Ion Conducting Li7-3xMxLa3Zr2O12 (M=Ga3+,Fe3+) with Uncommon I4/3d Structure", poster: Bunsen Colloquium - Solid-State Batteries II, Frankfurt, Germany; 2016/11/03 – 2016/11/25.

[42]   J. Kirowitz, A. Wachter-Welzl, R. Wagner, D. Rettenwander, S. Taibl, G. Amthauer, J. Fleig, "Investigation of density and inhomogeneeities of cubic Li7La3Zr2O12 samples", Poster: GDCH 2016, Goslar, Germany, 2016/09/26 - 2016/09/26.

[41]   D. Rettenwander, S. Berendts, R. Uecker, G. Redhammer, M. Wilkening, J. Fleig, G. Amthauer:
"On Structure-Property Relationships in Li-Oxide Garnets: New Insights by Studying a Large Li6La3ZrTaO12 Single Crystal Made by Czochralski Method"; talk: ICEM 2016, Singapore; 2016/07/04-2016/07/08.

[40]   M. Kubicek, A. Welzl-Wachter, T. Huber, A. Schmid, D. Rettenwander, R. Wagner, G. Amthauer, H. Hutter, J. Fleig, "Influence of defect chemistry on the performance of Li or O ionic conducting materials for electrochemical energy storage", talk, 3rd Indo Austrian Symposium on Advanced in Materials Engineering, Mumbai, 2017/12/19 – 2016/12/20.

[39]   D. Rettenwander, G. Redhammer, A. Wachter-Welzl, S. Pristat, M. Guin, St. Taibl, F. Tietz, J. Fleig, "Mircrocontanct Impedance Spectroscopy on Single Crystalline Li- and Na-Ion Conducting Solid Electrolytes", poster: MRS Boston Fall Meeting & Exhibit, Boston, USA, 2016/11/27- 2016/12/02.

[38]   D. Rettenwander, A. Wachter-Welzl, S. Pristat, F. Tietz, St. Taibl, G. Redhammer, J. Fleig, "A Microcontact Impedance Study on NASICON-Type Li1+xAlxTi2-x(PO4)3 (0 ≤ x ≤ 0.5) Single Crystals", poster: MRS Spring Meeting & Exhibit, Phoenix; 2016/02/28 – 2016/04/01.

[37]   Wachter-Welzl, R. Wagner, J. Kirowitz, S. Smetaczek, M. Bonta, D. Rettenwander, St. Taibl, G. Amthauer, A. Limbeck, J. Fleig, "Inhomogeneous conductivities in Li7La3Zr2O12 ceramics investigated by spatially resolved impedance spectroscopy and elemental analytics", talk, Bunsen-Kolloquium, Frankfurt, 2016/11/23 – 2016/11/25.

[36]   Wachter-Welzl, R. Wagner, J. Kirowitz, S. Smetaczek, M. Bonta, D. Rettenwander, St. Taibl, G. Amthauer, A. Limbeck, J. Fleig, "Inhomogeneous conductivities in Li7La3Zr2O12 ceramics investigated by spatially resolved impedance spectroscopy and elemental analytics", talk, MRS Fall Meeting & Exhibit, Boston, USA, 2016/11/27 – 2016/12/02.

[35]   M. Maier, T. Mayerhoefer, A. Wachter-Welzl, M. Musso, M. Hoeferl, D. Rettenwander, J. Popp, J. Fleig, G. Amthauer, "Synthesis and Characterization of a New Fast Lithium-Ion Conductor Li7-x-yLa3Zr2-x-yNbxTayO12"; talk: MRS Spring Meeting & Exhibit, Phoenix, USA, 2016/03/28 -2016/04/01.

[34]   R. Wagner, D. Rettenwander, G. Redhammer, W. Schmidt, M. Wilkening, A. Wachter-Welzl, St. Taibl, J. Fleig, G. Amthauer, "The Better Garnet-Faster Li-Ion Conduction of Li7La3Zr2O12 with Uncommon I-43d Structure", talk, MRS Fall Meeting & Exhibit, Boston, USA, 2016/11/27 -2016/12/02.

[33]   R. Wagner, D. Rettenwander, G. Redhammer, G. Amthauer, "Der Granat im Akku: Li7La3Zr2O12 als Lithium-Festkörperelektrolyt“, poster, 9. Workshop Anorganische Chemie in Österreich (WACÖ), poster, Vienna, Austria, 2016/03/21-2016/03/22.

[32]   R. Wagner, D. Rettenwander, G. Redhammer, G. Amthauer, "A new cubic modification of the fast Li-ion conductor Li7La3Zr2O12“, talk, 24th Annual Meeting of the German Crystallographic Society (DGK),Vienna, Austria, 2016/03/21-2016/03/22.

[31]   R. Wagner, D. Rettenwander, G. Redhammer, G. Amthauer, " Der Granat im Akku: Li7La3Zr2O12 als Festkörperelektrolyt für Hochleistungsenergiespeicher der nächsten Generation“, talk, DMG Workshop of sections AMITU & CPKM, Bad Windsheim, Germany, 2016/03/21-2016/03/22.

 

2015

 

[30]   D. Rettenwander, J. Langer, W. Schmidt, K. Harris, V. Terskikh, G. Goward, M. Wilkening, G. Amthauer, “The site preferences of Al and Ga in (Al, Ga) doped garnet type Li7La3Zr2O12 as deduced from 27Al and 71Ga MAS NMR at ultrahigh magnetic fields”, talk, 23rd  Annual Meeting of the Deutschen Gesellschaft für Kristallographie, Göttingen, Germany, 2015/03/16 – 2015/03/19.

[29]   D. Rettenwander, J. Langer, W. Schmidt, C. Arrer, M. Wilkening, G. Amthauer, “The site preferences of Al and Ga in mixed doped Li7-3(x+x)GaxAlyLa3Zr2O12 garnet solid solutions with x,y ε  {0.0, 0.1, …,0.8 ˄ x+y ≤ 0.8}as deduced from 27Al and 71Ga MAS NMR at ultrahigh magnetic fields”, talk, MRS Spring Meeting & Exhibit,  San Fransisco, USA, 2015/04/06 – 2015/04/10.

[28]   M. E. Maier, R. Wagner, D. Rettenwander, G. Amthauer, “Synthesis of cubic, garnet-like structured solid solutions Li7-xLa3Zr2-xMxO12 (M є {Nb5+, Ta5+}; 0 ≤ x ≤ 2) for all-solid-state Li-ion batteries”, poster, Workshop “Solid Lithium Ion Conductors” Vienna, Austria, 2015/05/20 –2015/05/20.

[27]   R. Wagner, D. Rettenwander, M. E. Maier, G. Amthauer, Synthesis of coarse-grained and dense Li7La3Zr2O12 doped with Al3+/Ga3+” poster, Workshop “Solid Lithium Ion Conductors” Vienna, Austria, 2015/05/20 –2015/05/20.

[26]   D. Rettenwander, “High Performance Li-Ion Conducting Ceramics for All-Solid-State-Li-Ion Batteries” The SoLiK Project”, talk, Workshop “Solid Lithium Ion Conductors” Vienna, Austria, 2015/05/20 –2015/05/20.

[25]   M. E. Maier, M. Musso, D. Rettenwander, R. Wagner, G. Amthauer, Garnet-like structured solid solutions Li7-xLa3Zr2-xMx(M= Nb5+, Ta5+; 0 ≤x≤2) O12 for all-solid-state lithium ion batteries: characterisation via Raman spectroscopy”, poster,  International Conference on the Application of Vibrational Spectroscopy 8 (ICAVS8), Vienna, Austria, 2015/07/12 – 2015/07/17.

[24]   D. Rettenwander, A. Welzl, S. Pristat, F. Tietz, G. Redhammer, G. Amthauer, J. Fleig, “A Micro-contact Electrochemical Impedance Spectroscopy Study of NASICON Type Li1.5Al0.5Ti1.5(PO4)3 and LiTi2(PO4)3 Single Crystals”, poster, European Conference of Solid State Chemistry (ECSSC), Vienna, Austria, August 2015/08/23 – 2015/08/26.

[23]   R. Wagner, D. Rettenwander, G. Tippelt, G. Redhammer, G. Amthauer, “Synthesis of garnet-type Li-ion conductor Li7-xLa3Zr2-xBixO12, poster, European Conference of Solid State Chemistry (ECSSC), Vienna, Austria, August 2015/08/23 – 2015/08/26.

[22]   M. E. Maier, M. Musso, G. Amthauer, D. Rettenwander, “Cubic, ceramic-like solid solutions Li7-x-yLa3Zr2-x-yNbxTayO12 with garnet-type structure for all-solid-state Li-ion batteries: synthesis of dense samples and characterisation focussing on Raman spectroscopy”, poster, European Conference of Solid State Chemistry (ECSSC), Vienna, Austria, August 2015/08/23 – 2015/08/26.

[21]   G. Amthauer, J. Langer, M. E. Maier, D. Rettenwander, R. Wagner, M. Wilkening, “Crystal chemistry of “Li7La3Zr2O12 garnet doped with Al, Ga, and Fe: a review of NMR- and Mössbauer spectroscopy studies”, talk, European Conference on Mineralogy and Spectroscopy, 2015/09/09 -2015/09/11.

[20]   D. Rettenwander, A. Welzl, P. Bottke, W. Schmidt, L. Cheng, G. Redhammer, M. Musso, M. M. Doeff, G. Amthauer, M. Wilkening, J. Fleig, “Structure, ion dynamics, and stability of cubic Li7La3Zr2-xMo6+xO12 garnets”, talk, MRS Fall Meeting & Exhibit, Boston, USA, 2015/11/29 – 2015/12/04.

[19]   D. Rettenwander, A. Welzl, L. Cheng, G. Amthauer, M. M. Doeff, G. J. Fleig, “Low resistance in bulk and interface: A study on cubic Li7-3xAl0.2-xGaxLa3Zr2O12”, poster, MRS Fall Meeting & Exhibit, Boston, USA, 2015/11/29 – 2015/12/04.

 

2014

 

[18]   G. Amthauer, D. Rettenwander, C.A. Geiger, “A crystal chemical study using 71Ga MAS NMR of the fast ion conductor “Li7La3Zr2O12”  doped with Ga3+”, talk, 22nd Annual Meeting of the Deutsche Gesellschaft für Kristallographie, Berlin, Germany, 2014/03/17 – 2014/03/20.

[17]   D. Rettenwander, P. Blaha, C.A. Geiger, G. Amthauer, “DFT study of the fast ion conductor  “Li7-3x Al3+xLa3Zr2O12”:The energy site preference of dopant Al3+ and the simulation of 27Al MAS NMR spectra” talk, MRS spring meeting & exhibit,  San Fransisco, USA, 2014/04/21 – 2014/04/25.

[16]   R. Wagner, D. Rettenwander, M. E. Maier, G. Amthauer, “Synthesis of coarse-grained garnet-type Li-ion conductor Li7La3Zr2O12”, talk, 92nd Annual Meeting of the Deutsche Mineralogische Gesellschaft, Jena, Germany, 2014/09/22 – 2014/09/24.

[15]   M. E. Maier, R. Wagner, D. Rettenwander, J. Schoiber, G. Amthauer, “Garnet-like structured solid solutions Li7-xLa3Zr2-xMxO12 (M = Nb5+, Ta5+) for all-solid-state-lithium-ion batteries: a comparison between solid state reaction and sol-gel synthesis”, talk, 92nd Annual Meeting of the Deutsche Mineralogische Gesellschaft, Jena, Germany, 2014/09/22 – 2014/09/24.

[14]   G. Amthauer, D. Rettenwander, “The Anion Framework in Garnet: Occupancy of its Voids, Connection of the Coordination Polyhedra and its Influence on Cation Exchange and Mobility”, talk, 21st General Meeting of the International Mineralogical Association, Johannesburg, South Africa, 2014/10/01 - 2014/10/06.

  1. D. Rettenwander, W. Schmid, J. Langer, C. Arrer, M. Wilkening, G. Amthauer, “The Site Preference of Al and Ga in Mixed Doped Li7−3(x+y)GaxAlyLa3Zr2O12 Garnet Solid Solutions with x, y Î {0.1, 0.2, …, 0.8 and y + x ≤ 0.8} and its Influence on Li-Ion Mobility”, poster, Bunsen Colloquium, Hannover, Germany, 2014/10/06 - 2014/10/07.

[12]   R. Wagner, D. Rettenwander, M. Maier, W. Schmid, J. Langer,  M. Wilkening, G. Amthauer, “Synthesis of coarse-grained garnet-type Li-ion conductor Li7-3x(Al/Ga)xLa3Zr2O12 and its Li-ion dynamics”, poster, Bunsen Colloquium, Hannover, Germany, 2014/10/06 - 2014/10/07.

[11]   D. Rettenwander, P. Bottke, A. Welzl, J. Fleig, M. Wilkening, G. Amthauer, “Synthesis and Electrochemical Properties of Cubic Phase Li7La3Zr2O12 Garnet – The Substitution of Zr4+ by Mo6+poster, Bunsen Colloquium - Solid-State Batteries from Fundamentals to Application, Frankfurt, Germany, 2014/11/27 - 2014/11/28.

[10]   R. Wagner, D. Rettenwander,  M. Maier, A. Welzl,  C. Slouka,  J. Fleig, G. Amthauer, ”Synthesis and Li-ion conductivity of coarse-grained garnet-type Li7‑3x(Al/Ga)xLa3Zr2O12, poster, Bunsen Colloquium - Solid-State Batteries from Fundamentals to Application, Frankfurt, Germany, 2014/11/27 - 2014/11/28.

[9]     P. Blaha, D. Rettenwander, R. Laskowski, K. Schwarz, P. Bottke, M. Wilkening, C. Geiger, G. Amthauer, “A DFT study of Al-NMR in the fast ion-conductor Li7-3xAlxLa3Zr2O12", poster, 3rd International Conference on Advanced Materials Modelling, Nantes, France, 2014/07/07 – 2014/07/09.

[8]     D. Rettenwander, P. Blaha, R. Laskowski, K. Schwarz, P. Bottke, M. Wilkening, G. Amthauer, "A DFT study of the role of Al3+ in the fast ioni conductor Li7-3xAl3-xLa3Zr2O12 garnets", poster, 29th Workshop on Novel Materials and Superconductivity, Obertraun, Austria, 2014/02/09 – 2014/02/15.

 

2013

 

[7]     D. Rettenwander, C.A. Geiger, P. Tropper, G. Amthauer, “Li-oxide garnet “Li7La3Zr2O12” doped with Ga3+. Chemistry and phase stability of a fast Li-ion conductor”, poster, 15th Austrian Chemistry Days, Graz, Austria, 2013/09/11 – 2013/09/26.

[6]     G. Amthauer, R. Rettenwander, C.A. Geiger, “Li7La3Zr2O12  garnet doped with Fe: Crystal chemistry and phase stability of a fast Li-ion conductor”, talk, Annual meeting of the Deutsche Gesellschaft für Kristallographie, Freiburg, Germany, 2013/03/19 - 2013/03/22.

[5]     D. Rettenwander, C.A. Geiger, G. Amthauer, “Li-oxide garnet “Li7La3Zr2O12” doped with Fe: Chemistry and phase stability of a fast Li-ion conductor”, talk, 2nd International Conference on Materials for Energy, Karlsruhe, Germany, 2013/05/12 - 2013/05/16.

[4]     D. Rettenwander, C.A. Geiger, G. Amthauer, Solid solution of Li-ion conductor “Li7La3Zr2O12” doped with Fe3+, poster, Lithium battery Discussion, Arcachon, France, 2013/06/16 – 2013/06/21.

[3]     D. Rettenwander, A. Wachter-Welzl, P. Bottke, W. Schmidt, L. Cheng, G. Redhammer, M. Musso, M. Doeff, G. Amthauer, M. Wilkening, J. Fleig, "Structure, Ion Dynamics and Stability of Cubic Li7La3Zr2-xMo6+xO12", poster: MRS Fall Meeting & Exhibit, Boston, USA, 2013/12/01 -2013/12/06.

 

2012

 

[2]     G. Amthauer, D. Rettenwander, C. A. Geiger, “Li7La3Zr2O12 garnet doped with Fe: Crystal chemistry and possible use as a cathode material in Li-oxide batteries”, talk, 27th European Crystallographic Meeting in Bergen, Norway, 2012/08/06 - 2012/08/12.

[1]     D. Rettenwander, C. A. Geiger, G. Amthauer, “Li7La3Zr2O12” garnet doped with Fe: Crystal Chemistry and possible use as a cathode material in Li-oxide batteries” 18th International Conference on Ternary and Multinary Compounds, Salzburg, Austria, 2012/08/27 - 2012/08/31.