Search Results - "Tietz, F"

Survey of the transport properties of sodium superionic conductor materials for use in sodium batteries by GUIN, M, TIETZ, F

“…One important issue in future scenarios predominantly using renewable energy sources is the electrochemical storage of electricity in batteries. Among all…”
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Degradation phenomena in a solid oxide electrolysis cell after 9000 h of operation by Tietz, F., Sebold, D., Brisse, A., Schefold, J.

“…An anode-supported solid oxide fuel cell (SOFC) was operated for 9000 h as a solid oxide electrolyser cell (SOEC) with a current density of −1 Acm−2 showing a…”
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Synthesis and Raman micro-spectroscopy investigation of Li7La3Zr2O12 by Tietz, F., Wegener, T., Gerhards, M.T., Giarola, M., Mariotto, G.

“…The Li+ ion conductor Li7La3Zr2O12 was synthesized by solid state reaction as a ceramic with tetragonal and cubic crystal structure. The synthesis parameters…”
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Sc-substituted Nasicon solid electrolyte for an all-solid-state NaxCoO2/Nasicon/Na sodium model battery with stable electrochemical performance by Kehne, P., Guhl, C., Ma, Q., Tietz, F., Alff, L., Hausbrand, R., Komissinskiy, P.

“…All-solid-state sodium batteries are attractive due to the abundance of sodium and advantageous for safe battery operation by avoiding flammable organics and…”
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Phase‐field Determination of NaSICON Materials in the Quaternary System Na2O−P2O5−SiO2−ZrO2: The Series Na3Zr3–xSi2PxO11.5+x/2 by Loutati, A., Sohn, Y. J., Tietz, F.

“…Two types of solid electrolytes have reached technological relevance in the field of sodium batteries: ß/ß”‐aluminas and NaSICON‐type materials. Today,…”
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New promising NASICON material as solid electrolyte for sodium-ion batteries: Correlation between composition, crystal structure and ionic conductivity of Na3+xSc2SixP3−xO12 by Guin, M., Tietz, F., Guillon, O.

“…In the search for novel sodium-ion conductors to be used in batteries for grid application, the thoroughly studied class of NASICON materials is of great…”
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Microstructural comparison of solid oxide electrolyser cells operated for 6100 h and 9000 h by The, D., Grieshammer, S., Schroeder, M., Martin, M., Al Daroukh, M., Tietz, F., Schefold, J., Brisse, A.

“…Solid oxide electrolyser cells (SOEC) operated for 6100 h and 9000 h with a current density of −0.75 and −1 A/cm2, respectively, were analyzed and compared…”
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Phase-field Determination of NaSICON Materials in the Quaternary System Na 2 O-P 2 O 5 -SiO 2 -ZrO 2 : The Series Na 3 Zr 3-x Si 2 P x O 11.5+x/2 by Loutati, A, Sohn, Y J, Tietz, F

“…Two types of solid electrolytes have reached technological relevance in the field of sodium batteries: ß/ß"-aluminas and NaSICON-type materials. Today,…”
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Component interactions after long-term operation of an SOFC stack with LSM cathode by Malzbender, J., Batfalsky, P., Vaßen, R., Shemet, V., Tietz, F.

“…► A detailed post-test analysis of SOFC stack operated under steady-state conditions for 19,000 h. ► Atmospheric plasma sprayed protective spinel coating…”
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Fast Na ion transport triggered by rapid ion exchange on local length scales by Lunghammer, S., Prutsch, D., Breuer, S., Rettenwander, D., Hanzu, I., Ma, Q., Tietz, F., Wilkening, H. M. R.

“…The realization of green and economically friendly energy storage systems needs materials with outstanding properties. Future batteries based on Na as an…”
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Ceramic-based Anode Materials for Improved Redox Cycling of Solid Oxide Fuel Cells by Fu, Q. X., Tietz, F.

“…In order to improve the reliability of anode‐supported solid oxide fuel cells (SOFCs) in terms of tolerance to redox cycles, and to minimise fuel preprocessing…”
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Bulk and grain-boundary ionic conductivity in sodium zirconophosphosilicate Na3Zr2(SiO4)2PO4 (NASICON) by Lunghammer, S., Ma, Q., Rettenwander, D., Hanzu, I., Tietz, F., Wilkening, H.M.R.

“…[Display omitted] •Na3Zr2(SiO4)2PO4 prepared via a solution-assisted route shows hyperionic properties.•Fortunately, grain boundaries do not block long-range…”
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Correlation between thermal expansion and oxide ion transport in mixed conducting perovskite-type oxides for SOFC cathodes by Ullmann, H., Trofimenko, N., Tietz, F., Stöver, D., Ahmad-Khanlou, A.

“…Oxygen deficiency, electrical conductivity, ionic transport and thermal expansion of alternative cathode materials of the A 1− a A′ a BO 3 perovskite-type…”
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Nickel coarsening in annealed Ni/8YSZ anode substrates for solid oxide fuel cells by Simwonis, D, Tietz, F, Stöver, D

“…In order to study the nickel coarsening in porous Ni/8YSZ anode cermets of solid oxide fuel cells (SOFC), a series of exposure tests was carried out with anode…”
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Comparative study of perovskites as cathode contact materials between an La0.8Sr0.2FeO3 cathode and a Crofer22APU interconnect in solid oxide fuel cells by MONTERO, X, TIETZ, F, STÖVER, D, CASSIR, M, VILLARREAL, I

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New double-ceramic-layer thermal barrier coatings based on zirconia–rare earth composite oxides by Cao, X.Q., Vassen, R., Tietz, F., Stoever, D.

“…A series of La 2O 3–ZrO 2–CeO 2 composite oxides were synthesized by solid-state reaction. The final product keeps fluorite structure when the molar ratio…”
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Lanthanum-Cerium Oxide as a Thermal Barrier-Coating Material for High-Temperature Applications by Cao, X., Vassen, R., Fischer, W., Tietz, F., Jungen, W., Stöver, D.

“…La2Ce2O7 is proposed as a new material for thermal barrier coating that has a higher thermal expansion coefficient and a lower thermal conductivity than…”
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Performance of LSCF cathodes in cell tests by Tietz, F., Haanappel, V.A.C., Mai, A., Mertens, J., Stöver, D.

“…SOFC development at Forschungszentrum Jülich is aiming at high power density and high durability to achieve cost reduction in manufacturing and installation…”
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Interfacial properties of (Ag + CuO) brazes used as sealing materials in SOFC stacks by Chatzimichail, R., Triantafyllou, G., Tietz, F., Nikolopoulos, P.

“…Ceramic insulation layers in combination with air braze filler metals were investigated as material compositions suitable for joining the metallic components…”
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Optimisation of processing and microstructural parameters of LSM cathodes to improve the electrochemical performance of anode-supported SOFCs by Haanappel, V.A.C., Mertens, J., Rutenbeck, D., Tropartz, C., Herzhof, W., Sebold, D., Tietz, F.

“…To improve the electrochemical performance of LSM-based anode-supported single cells, a systematic approach was taken for optimising processing and materials…”
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