Ehrenberg, Helmut - Karlsruhe Institute of Technology

个人简介

Education 2005 Habilitation in the field of "Materials Science"Technical University of Darmstadt (TUD)"Structures, phase transitions and properties of polymorphic 3D transition metal molybdates MeMoO4, Me=Mn, Fe, Co, Ni, Cu und Zn" 1996 Ph. D. (Dr. rer. nat.)Materials Science, TUD Scientific discipline: Strcuture Research, Prof. Dr.-Ing. Dr. h.c. H. Fueß "Determination and modelling of the magnetic properties of selected ternary transitional metal oxides" 1991 Diploma (Dipl.-Physicist)Insitute for Nuclear Physics, Prof. Dr. F. Beck (†)"Form factors in quantum hadrodynamics" Employment Record since 06/2012 Head of the Institute for Applied Materials - Energy Storage Systems (IAM-ESS) since 12/2010 Professor for "Materials Research for novel Energy Storage Systems" at Karlsruhe Institute of Technology (KIT) 10/2006-12/2010 Head of Department "Functional Composite Materials" at the Leibnitz-Institute for Solid State and Materials Research IFW Dresden 02/2005-12/2010 Private lecturer for the subject "Materials Science" at the TUD 04/1997-12/1997 & 11/1999-11/2000 Beamline Scientist at HASYLAB / DESY in Hamburg 1991-2006 Research Associate at the Materials Science Faculty of the TUD

研究领域

Main research subjects Materials for energy storage systems and their characterisation in an electrochemical cell Structure-property relationships in functional materials, especially transition metal oxides, intermetallic compounds and composite materials Further development of in operando characterisation procedures

近期论文

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Ni 0.5 TiOPO 4 phosphate: Sodium insertion mechanism and electrochemical performance in sodium-ion batteries .Nassiri, A.; Sabi, N.; Sarapulova, A.; Dahbi, M.; Indris, S.; Ehrenberg, H.; Saadoune, I.2019. Journal of power sources, 418, 211–217. doi:10.1016/j.jpowsour.2019.02.038 Evidence of a Pseudo-Capacitive Behavior Combined with an Insertion/Extraction Reaction Upon Cycling of the Positive Electrode Material P2-Na x Co 0.9 Ti 0.1 O 2 for Sodium-ion Batteries .Sabi, N.; Sarapulova, A.; Indris, S.; Dsoke, S.; Zhao, Z.; Dahbi, M.; Ehrenberg, H.; Saadoune, I.2019. ChemElectroChem, 6 (3), 892–903. doi:10.1002/celc.201801870 In Operando Synchrotron Diffraction and in Operando X-ray Absorption Spectroscopy Investigations of Orthorhombic V 2 O 5 Nanowires as Cathode Materials for Mg-Ion Batteries .Fu, Q.; Sarapulova, A.; Trouillet, V.; Zhu, L.; Fauth, F.; Mangold, S.; Welter, E.; Indris, S.; Knapp, M.; Dsoke, S.; Bramnik, N.; Ehrenberg, H. 2019. Journal of the American Chemical Society, 141 (6), 2305–2315. doi:10.1021/jacs.8b08998 Lithium/Oxygen Incorporation and Microstructural Evolution during Synthesis of Li-Rich Layered Li[Li0.2Ni0.2Mn0.66]O2 Oxides [in press] .Hua, W.; Chen, M.; Schwarz, B.; Knapp, M.; Bruns, M.; Barthel, J.; Yang, X.; Sigel, F.; Azmi, R.; Senyshyn, A.; Missiul, A.; Simonelli, L.; Etter, M.; Wang, S.; Mu, X.; Fiedler, A.; Binder, J. R.; Guo, X.; Chou, S.; Zhong, B.; Indris, S.; Ehrenberg, H.2019. Advanced energy materials, 1803094. doi:10.1002/aenm.201803094 High-Resolution Surface Analysis on Aluminum Oxide-Coated Li1.2Mn0.55Ni0.15Co0.1O2 with Improved Capacity Retention .Dannehl, N.; Steinmüller, S. O.; Szabó, D. V.; Pein, M.; Sigel, F.; Esmezjan, L.; Hasenkox, U.; Schwarz, B.; Indris, S.; Ehrenberg, H.2018. ACS applied materials & interfaces, 10 (49), 43131–43143. doi:10.1021/acsami.8b09550 Anatase TiO2 nanoparticles for lithium-ion batteries .El-Deen, S. S.; Hashem, A. M.; Abdel Ghany, A. E.; Indris, S.; Ehrenberg, H.; Mauger, A.; Julien, C. M.2018. Ionics, 24 (10), 2925–2934. doi:10.1007/s11581-017-2425-y Magnetic structure and spin correlations in magnetoelectric honeycomb Mn₄Ta₂O₉ .Narayanan, N.; Senyshyn, A.; Mikhailova, D.; Faske, T.; Lu, T.; Liu, Z.; Weise, B.; Ehrenberg, H.; Mole, R. A.; Hutchison, W. D.; Fuess, H.; McIntyre, G. J.; Liu, Y.; Yu, D.2018. Physical review / B, 98 (13), Article No.134438. doi:10.1103/PhysRevB.98.134438 Surfactant modified platinum based fuel cell cathode studied by X-ray absorption spectroscopy .Melke, J.; Dixon, D.; Riekehr, L.; Benker, N.; Langner, J.; Lentz, C.; Sezen, H.; Nefedov, A.; Wöll, C.; Ehrenberg, H.; Roth, C.2018. Journal of catalysis, 364, 282–290. doi:10.1016/j.jcat.2018.05.024 Green synthesis of nanosized manganese dioxide as positive electrode for lithium-ion batteries using lemon juice and citrus peel .Hashem, A. M.; Abuzeid, H.; Kaus, M.; Indris, S.; Ehrenberg, H.; Mauger, A.; Julien, C. M.2018. Electrochimica acta, 262, 74–81. doi:10.1016/j.electacta.2018.01.024 Fabrication and characterization of monodispersed Mn0.8Ni 0.2Co₂O₄ mesoporous microspheres for supercapacitor application .Mariappan, C. R.; Upadhyay, S.; Kumar, V.; Indris, S.; Ehrenberg, H.2018. Ceramics international, 44 (8), 8864–8869. doi:10.1016/j.ceramint.2018.02.071 Ionic conduction and dielectric properties of yttrium doped LiZr₂(PO₄)₃ obtained by a Pechini-type polymerizable complex route .Mariappan, C. R.; Kumar, P.; Kumar, A.; Indris, S.; Ehrenberg, H.; Vijaya Prakash, G.; Jose, R.2018. Ceramics international, 44 (13), 15509–15516. doi:10.1016/j.ceramint.2018.05.211 Surface analytical characterization of LiNi0.8-yMnyCo0.2O₂ (0 ≤ y ≤ 0.4) compounds for lithium-ion battery electrodes .Azmi, R.; Masoumi, M.; Ehrenberg, H.; Trouillet, V.; Bruns, M.2018. Surface and interface analysis, 50 (11), 1132–1137. doi:10.1002/sia.6415 Thermal structural behavior of electrodes in li-ion battery studied in operando .Baran, V.; Dolotko, O.; Mühlbauer, M. J.; Senyshyn, A.; Ehrenberg, H.2018. Journal of the Electrochemical Society, 165 (9), A1975-A1982. doi:10.1149/2.1441809jes Electrochemical behavior of LiV3O8 positive electrode in hybrid Li,Na–ion batteries .Maletti, S.; Sarapulova, A.; Tsirlin, A. A.; Oswald, S.; Fauth, F.; Giebeler, L.; Bramnik, N. N.; Ehrenberg, H.; Mikhailova, D.2018. Journal of power sources, 373, 1–10. doi:10.1016/j.jpowsour.2017.10.086 Energy research with neutrons (ErwiN) and installation of a fast neutron powder diffraction option at the MLZ, Germany .Heere, M.; Mühlbauer, M. J.; Schökel, A.; Knapp, M.; Ehrenberg, H.; Senyshyn, A.2018. Journal of applied crystallography, 51, 591–595. doi:10.1107/S1600576718004223 Phase equilibria and crystal structure relationships in the ternary Li-B-C system .Milashius, V.; Pavlyuk, V.; Dmytriv, G.; Ehrenberg, H.2018. Inorganic chemistry frontiers, 5 (4), 853–863. doi:10.1039/c7qi00787f Surface analytical approaches to reliably characterize lithium ion battery electrodes .Azmi, R.; Trouillet, V.; Strafela, M.; Ulrich, S.; Ehrenberg, H.; Bruns, M.2018. Surface and interface analysis, 50 (1), 43–51. doi:10.1002/sia.6330 Neutron imaging with fission and thermal neutrons at NECTAR at MLZ [in press] .Mühlbauer, M. J.; Bücherl, T.; Kellermeier, M.; Knapp, M.; Makowska, M.; Schulz, M.; Zimnik, S.; Ehrenberg, H.2017. Physica / B. doi:10.1016/j.physb.2017.11.088 Coexistence of conversion and intercalation mechanisms in lithium ion batteries: Consequences for microstructure and interaction between the active material and electrolyte .Adam, R.; Lepple, M.; Mayer, N. A.; Cupid, D. M.; Qian, Y.; Niehoff, P.; Schappacher, F. M.; Wadewitz, D.; Balachandran, G.; Bhaskar, A.; Bramnik, N.; Klemm, V.; Ahrens, E.; Giebeler, L.; Fauth, F.; Popescuh, C. A.; Seifert, H. J.; Winter, M.; Ehrenberg, H.; Rafaja, D.2017. International journal of materials research, 108 (11), 971–983. doi:10.3139/146.111509 Stability of NASICON materials against water and CO₂ uptake .Guin, M.; Indris, S.; Kaus, M.; Ehrenberg, H.; Tietz, F.; Guillon, O.2017. Solid state ionics, 302, 102–106. doi:10.1016/j.ssi.2016.11.006 The Thermal Neutron Beam Option for NECTAR at MLZ .Mühlbauer, M. J.; Bücherl, T.; Genreith, C.; Knapp, M.; Schulz, M.; Söllradl, S.; Wagner, F. M.; Ehrenberg, H.2017. Physics procedia, 88, 148–153. doi:10.1016/j.phpro.2017.06.020 Valence Electronic Structure of Li₂O₂, Li₂O, Li₂CO₃, and LiOH Probed by Soft X-ray Emission Spectroscopy .Léon, A.; Fiedler, A.; Blum, M.; Benkert, A.; Meyer, F.; Yang, W.; Bär, M.; Scheiba, F.; Ehrenberg, H.; Weinhardt, L.; Heske, C.2017. The journal of physical chemistry / C, 121 (10), 5460–5466. doi:10.1021/acs.jpcc.6b11119 Unravelling the growth mechanism of hierarchically structured Ni1/3Co1/3Mn1/3(OH)2 and their application as precursors for high-power cathode materials .Hua, W.; Liu, W.; Chen, M.; Indris, S.; Zheng, Z.; Guo, X.; Bruns, M.; Wu, T.-H.; Chen, Y.; Zhong, B.; Chou, S.; Kang, Y.-M.; Ehrenberg, H.2017. Electrochimica acta, 232, 123–131. doi:10.1016/j.electacta.2017.02.105 Effect of fatigue/ageing on the lithium distribution in cylinder-type Li-ion batteries .Mühlbauer, M. J.; Dolotko, O.; Hofmann, M.; Ehrenberg, H.; Senyshyn, A.2017. Journal of power sources, 348, 145–149. doi:10.1016/j.jpowsour.2017.02.077 Composition-dependent charge transfer and phase separation in the V₁₋ₓReₓO₂ solid solution .Mikhailova, D.; Kuratieva, N. N.; Utsumi, Y.; Tsirlin, A. A.; Abakumov, A. M.; Schmidt, M.; Oswald, S.; Fuess, H.; Ehrenberg, H.2017. Dalton transactions, 46 (5), 1606–1617. doi:10.1039/C6DT04389E Co SOLUBILITY IN BINARY COMPOUND TiMn2 AT 1 070 K .Hmel, N.; Dmytriv, G.; Knapp, M.; Ehrenberg, H.2016. Bulletin der Universität Lemberg / Reihe Chemie, 57 (Teil 1), 63–69 Urchin-like α-MnO₂ formed by nanoneedles for high-performance lithium batteries .Hashem, A. M.; Abdel-Ghany, A. E.; El-Tawil, R.; Bhaskar, A.; Hunzinger, B.; Ehrenberg, H.; Mauger, A.; Julien, C. M.2016. Ionics, 22 (12), 2263–2271. doi:10.1007/s11581-016-1771-5