Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Suliman Nakhal"'
Autor:
Patrick Bottke, Katharina Hogrefe, Julia Kohl, Suliman Nakhal, Alexandra Wilkening, Paul Heitjans, Martin Lerch, H. Martin R. Wilkening
Publikováno v:
Materials Research Bulletin. 162:112193
Autor:
Suliman Nakhal, Paul Heitjans, Reinhard Uecker, C. Vinod Chandran, Elena Witt, Kai Volgmann, Martin Lerch
Publikováno v:
Zeitschrift für Physikalische Chemie. 231:1443-1453
Solid-state nuclear magnetic resonance spectroscopy is an efficient technique to characterize dynamics and structure of materials. It has been widely used to elucidate ion dynamics in lithium ion conductors. Fast moving lithium ions are needed in ene
Publikováno v:
Zeitschrift für Physikalische Chemie. 231:1243-1262
Ti-based materials exhibit suitable properties for usage in secondary Li- and Na-ion batteries and were in the focus of several electrochemical and ion conductivity studies. A material of such interest is layer-structured, monoclinic Na2Ti3O7. Additi
Autor:
Suliman Nakhal, Martin Lerch
Publikováno v:
Zeitschrift für Naturforschung B. 71:457-461
The new niobium oxide fluorides MNbO2F4 [M = (Cr, Fe)], CrNb2O4F5, and Fe2Nb3O6F9 were prepared by treatment of chromium or iron nitrate with Nb-containing hydrofluoric acid solutions. Crystal structures were investigated by means of X-ray powder dif
Autor:
Mazharul M. Islam, Harald Schmidt, Paul Heitjans, Elena Witt, Thomas Bredow, Suliman Nakhal, Stefan Zander, Johanna Rahn, Martin Wilkening, Martin Lerch, Dennis Wiedemann
Publikováno v:
Chemistry of Materials. 28:915-924
Lithium aluminum oxide (γ-LiAlO2) has been discussed and used for various applications, e.g., as electrode coating, membrane, or tritium breeder material. Although lithium-ion diffusion in this solid is essential for these purposes, it is still not
Publikováno v:
Zeitschrift für Physikalische Chemie. 229:1327-1339
In this work nuclear magnetic resonance (NMR) and impedance spectroscopy (IS) studies on Li ion dynamics in microcrystallineγ-LiAlO2are presented. The sample was prepared by solid state synthesis between Li2CO3and Al2O3in air, followed by a quenchin
Autor:
Alexander Schulz, Kai Volgmann, Thomas Bredow, Martin Lerch, Anna-Maria Welsch, Paul Heitjans, Suliman Nakhal
Publikováno v:
Zeitschrift für Physikalische Chemie. 229:1351-1362
Li x Na2−x Ti6O13has received attention as 3d-metal oxide based anode material for possible battery application. Generally, titanium oxides represent excellent Li hosts due to their zero-strain behavior, cycling stability and high operating voltage
Autor:
Mazharul M. Islam, Dennis Wiedemann, Anatoliy Senyshyn, Martin Lerch, Suliman Nakhal, Thomas Bredow
Publikováno v:
The Journal of Physical Chemistry C. 119:11370-11381
Layered lithium transition-metal sulfides have long been discussed as early electrode materials for lithium-ion batteries. However, fundamental knowledge of lithium-ion migration in these solids is still lacking. In this study, we report on the diffu
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 641:1036-1042
Mixed-metal oxide fluorides MNb2O3F6 (M = Mg, Zn), MgM2OF8 (M = Ti, Zr), Fe2TiO8F, and TiNb2O5F4 were prepared by treatment of their corresponding oxides with a 1:1 mixture of hydrofluoric acid and HNO3. Crystal structures were investigated by means
Publikováno v:
Zeitschrift für Physikalische Chemie. 229:1275-1288
Layered titanium disulfide is used as lithium-ion intercalating electrode material in batteries. The room-temperature stable trigonal 1T polymorphs of the intercalates Li x TiS2(x ≤ 1) are widely-investigated. However, the rombohedral 3R polymorphs