Prof. Dr. rer. nat Helmut Ehrenberg
- Room: 441-1/205
- Phone: +49 721 608 47915 oder +49 721 608 26363
- Fax: +49 721 608 28521
- helmut ehrenberg ∂ kit edu
Karlsruher Institut für Technologie (KIT)
Institut für Angewandte Materialien (IAM-ESS)
Hermann-von-Helmholtz-Platz 1
D-76344 Eggenstein-Leopoldshafen
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
Vita
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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
Employment abroad
- 12/1997-11/1999
Marie-Curie-Fellow at the University of Cambridge, England
Interdisciplinary Research Centre in Superconductivity
Awards
- 2001
"Max-von-Laue Prize" of the German Crystallographic Association
- 2001
"Adolf-Messer Prize" for excellent performance in research and teaching
- 2010-2012
Guest Professor for "Materials Science for sustainable energy technology" at TU Bergakademie Freiberg
Committees
- DFG Research Collaborative Center 595 "Electrical Fatigue in Funational Materials"
Member of the Executive Board
Speaker of the Transfer Unit - Member of the Board of Reviewers at the Institute-Laue-Langevin (ILL) in Grenoble
2004-2007: Subcommittee „Magnetic Structures“
Since 2016 Subcommittee „Structure“ - Since 2009
Heinz Maier-Leibnitz Zentrum (MLZ), Neutron Research Source FRM-II
Chair of the "Structure" section - 2009-2011
Chair of the "Special Interest Group: Functional Materials" of the "European Crystallographic Association (ECA)" - 2012-2020
Topic-Speaker „Energy Storage and Conversion“ of the KIT Center „Mobility Systems“ - 2018-2022
Co-Director of the Center for Electrochemical Energy Storage Ulm-Karlsruhe (CELEST) - Since 2019
Speaker of the Cluster of Excellence „Energy Storage beyond Lithium“ - Since 2017
HGF Topic Delegate „Electrochemical Energy Storage“ in SCI (POF III) and MTET (POF IV) - Since 202011
Lecturer at the HECTOR School (link to https://www.hectorschool.kit.edu/)
All Publications
-
The structural behavior of electrochemically delithiated Li
Ni Co Al O (x<1) battery cathodes
Hölderle, T.; Monchak, M.; Baran, V.; Dolotko, O.; Bette, S.; Mikhailova, D.; Voss, A.; Avdeev, M.; Ehrenberg, H.; Müller-Buschbaum, P.; Senyshyn, A.
2023. Journal of Power Sources, 564, Art.-Nr.: 232799. doi:10.1016/j.jpowsour.2023.232799 -
Development of a Parallel Product-Production Co-design for an Agile Battery Cell Production System
Ruhland, J.; Storz, T.; Kößler, F.; Ebel, A.; Sawodny, J.; Hillenbrand, J.; Gönnheimer, P.; Overbeck, L.; Lanza, G.; Hagen, M.; Tübke, J.; Gandert, J.; Paarmann, S.; Wetzel, T.; Mohacsi, J.; Altvater, A.; Spiegel, S.; Klemens, J.; Scharfer, P.; Schabel, W.; Nowoseltschenko, K.; Müller-Welt, P.; Bause, K.; Albers, A.; Schall, D.; Grün, T.; Hiller, M.; Schmidt, A.; Weber, A.; Biasi, L. de; Ehrenberg, H.; Fleischer, J.
2022. Towards Sustainable Customization: Bridging Smart Products and Manufacturing Systems. Hrsg.: Ann-Louise Andersen, Rasmus Andersen, Thomas Ditlev Brunoe, Maria Stoettrup Schioenning Larsen, Kjeld Nielsen, Alessia Napoleone, Stefan Kjeldgaard, 96–104, Springer International Publishing. doi:10.1007/978-3-030-90700-6_10 -
Co
TiOPO @C as new negative electrode for sodium ion batteries: Synthesis, characterization, and elucidation of the electrochemical mechanism using in operando synchrotron diffraction
Nassiri, A.; Sabi, N.; Sarapulova, A.; Indris, S.; Mangold, S.; Ehrenberg, H.; Saadoune, I.
2021. Journal of Power Sources, 498, Art.-Nr.: 229924. doi:10.1016/j.jpowsour.2021.229924 -
Correlation between structural, electrical and electrochemical performance of Zn doped high voltage spinel LiNi
Zn Mn O porous microspheres as a cathode material for Li-Ion batteries
Gajraj, V.; Azmi, R.; Darma, M. S. D.; Indris, S.; Ehrenberg, H.; Mariappan, C. R.
2021. Ceramics international, 47 (24), 35275–35286. doi:10.1016/j.ceramint.2021.09.070 -
Li+/Na+Ion Exchange in Layered Na
(Ni Mn )O 2: A Simple and Fast Way to Synthesize O /O -Type Layered Oxides
Hua, W.; Wang, S.; Wang, K.; Missyul, A.; Fu, Q.; Dewi Darma, M. S.; Li, H.; Baran, V.; Liu, L.; Kübel, C.; Binder, J. R.; Knapp, M.; Ehrenberg, H.; Indris, S.
2021. Chemistry of Materials, 33 (14), 5606–5617. doi:10.1021/acs.chemmater.1c00962 -
Hybrid aqueous supercapacitors based on mesoporous spinel-analogous Zn-Ni-Co-O nanorods: Effect of Ni content on the structure and energy storage
Kumar, V.; Gajraj, V.; Gnanasekar, K. I.; Dsoke, S.; Indris, S.; Ehrenberg, H.; Roling, B.; Mariappan, C. R.
2021. Journal of Alloys and Compounds, 882, Art.-Nr.: 160712. doi:10.1016/j.jallcom.2021.160712 -
Dielectric Relaxation and Magnetic Structure of A-Site-Ordered Perovskite Oxide Semiconductor CaCu
Fe Ta O
Deng, J.; Han, F.; Schwarz, B.; Knapp, M.; Ehrenberg, H.; Hua, W.; Hinterstein, M.; Li, G.; He, Y.; Wang, J.; Yuan, Y.; Liu, L.
2021. Inorganic Chemistry, 60 (10), 6999–7007. doi:10.1021/acs.inorgchem.0c03229 -
The crystal growth and properties of novel magnetic double molybdate RbFe
(MoO ) with mixed Fe /Fe states and 1D negative thermal expansion
Chimitova, O. D.; Bazarov, B. G.; Bazarova, J. G.; Atuchin, V. V.; Azmi, R.; Sarapulova, A. E.; Mikhailova, D.; Balachandran, G.; Fiedler, A.; Geckle, U.; Prots, Y.; Komarek, A. C.; Gavrilova, T. A.; Prosvirin, I. P.; Yang, Y.; Lin, Z.; Knapp, M.; Ehrenberg, H.
2021. CrystEngComm, 23 (18), 3297–3307. doi:10.1039/d1ce00118c -
Investigation of “Na
Co Ti O ” as a multi-phase positive electrode material for sodium batteries
Sabi, N.; Sarapulova, A.; Indris, S.; Dsoke, S.; Trouillet, V.; Mereacre, L.; Ehrenberg, H.; Saadoune, I.
2021. Journal of power sources, 481, Article: 229120. doi:10.1016/j.jpowsour.2020.229120 -
Solution Combustion-Mechanochemical Syntheses of Composites and Core-Shell xLi
MnO ·(1 - x)LiNi Mn Co O (0 ≤ x ≤ 0.7) Cathode Materials for Lithium-Ion Batteries
Ehi-Eromosele, C. O.; Indris, S.; Melinte, G.; Bergfeldt, T.; Ehrenberg, H.
2020. ACS sustainable chemistry & engineering, 8 (50), 18590–18605. doi:10.1021/acssuschemeng.0c06804 -
Lithium-ion (de)intercalation mechanism in core-shell layered Li(Ni,Co,Mn)O2 cathode materials
Hua, W.; Schwarz, B.; Azmi, R.; Müller, M.; Dewi Darma, M. S.; Knapp, M.; Senyshyn, A.; Heere, M.; Missyul, A.; Simonelli, L.; Binder, J. R.; Indris, S.; Ehrenberg, H.
2020. Nano energy, 78, Art. Nr.: 105231. doi:10.1016/j.nanoen.2020.105231 -
New maximally disordered – High entropy intermetallic phases (MD-HEIP) of the Gd
La Sn Sb M (M=Li, Na, Mg): Synthesis, structure and some properties
Pavlyuk, V.; Balińska, A.; Rożdżyńska-Kiełbik, B.; Pavlyuk, N.; Dmytriv, G.; Stetskiv, A.; Indris, S.; Schwarz, B.; Ehrenberg, H.
2020. Journal of alloys and compounds, 838, Art. Nr.: 155643. doi:10.1016/j.jallcom.2020.155643 -
Lithium lanthanum titanate perovskite as an anode for lithium ion batteries
Zhang, L.; Zhang, X.; Tian, G.; Zhang, Q.; Knapp, M.; Ehrenberg, H.; Chen, G.; Shen, Z.; Yang, G.; Gu, L.; Du, F.
2020. Nature Communications, 11 (1), Art. Nr.: 3490. doi:10.1038/s41467-020-17233-1 -
Evidence of discrete energy states and cluster-glass behavior in Sr
La CoNbO
Kumar, A.; Schwarz, B.; Ehrenberg, H.; Dhaka, R. S.
2020. Physical review / B, 102 (18), Article: 184414. doi:10.1103/PhysRevB.102.184414 -
New Li
M Ti (PO ) (M=Co, Mg) Electrode Materials for Lithium-Ion Batteries: In Operando X-Ray Diffraction and Ex Situ X-ray Photoelectron Spectroscopy Investigations
Aziam, H.; Darma, M. S. D.; Knapp, M.; Indris, S.; Ehrenberg, H.; Trouillet, V.; Saadoune, I.
2020. ChemElectroChem, 7 (17), 3637–3645. doi:10.1002/celc.202000965 -
New cubic cluster phases in the Mg-Ni-Ga system
Pavlyuk, N.; Dmytriv, G.; Pavlyuk, V.; Rozdzynska-Kielbik, B.; Cichowicz, G.; Cyranski, M. K.; Chumak, I.; Ehrenberg, H.
2020. Acta crystallographica / B, 76, 534–542. doi:10.1107/S2052520620006423 -
Understanding the mechanism of byproduct formation within operandosynchrotron techniques and its effects on the electrochemical performance of VO
(B) nanoflakes in aqueous rechargeable zinc batteries
Pang, Q.; Zhao, H.; Lian, R.; Fu, Q.; Wei, Y.; Sarapulova, A.; Sun, J.; Wang, C.; Chen, G.; Ehrenberg, H.
2020. Journal of materials chemistry / A, 8 (19), 9567–9578. doi:10.1039/d0ta00858c -
In Situ X-ray Diffraction and X-ray Absorption Spectroscopic Studies of a Lithium-Rich Layered Positive Electrode Material: Comparison of Composite and Core-Shell Structures
Ehi-Eromosele, C. O.; Indris, S.; Bramnik, N. N.; Sarapulova, A.; Trouillet, V.; Pfaffman, L.; Melinte, G.; Mangold, S.; Darma, M. S. D.; Knapp, M.; Ehrenberg, H.
2020. ACS applied materials & interfaces, 12 (12), 13852–13868. doi:10.1021/acsami.9b21061 -
Na+ ion mobility in Na3+xSc2(SiO4)x(PO4)3 − x (0.1 < x < 0.8) observed by 23Na NMR spectroscopy
Zinkevich, T.; Fiedler, A.; Guin, M.; Tietz, F.; Guillon, O.; Ehrenberg, H.; Indris, S.
2020. Solid state ionics, 348, Art.Nr.: 115277. doi:10.1016/j.ssi.2020.115277 -
Mechanochemical synthesis of amorphous and crystalline Na₂P₂S₆-elucidation of local structural changes by X-ray total scattering and NMR
Fritsch, C.; Hansen, A.-L.; Indris, S.; Knapp, M.; Ehrenberg, H.
2020. Dalton transactions, 49 (5), 1668–1673. doi:10.1039/c9dt04777h -
Investigation of lithium-ion battery degradation mechanisms by combining differential voltage analysis and alternating current impedance
Zhu, J.; Dewi Darma, M. S.; Knapp, M.; Sørensen, D. R.; Heere, M.; Fang, Q.; Wang, X.; Dai, H.; Mereacre, L.; Senyshyn, A.; Wei, X.; Ehrenberg, H.
2020. Journal of power sources, 448, Article: 227575. doi:10.1016/j.jpowsour.2019.227575 -
Doped nanoscale NMC333 as cathode materials for Li-ion batteries
Hashem, A. M.; Abdel-Ghany, A. E.; Scheuermann, M.; Indris, S.; Ehrenberg, H.; Mauger, A.; Julien, C. M.
2019. Materials, 12 (18), 2899. doi:10.3390/ma12182899 -
Oxygen Activity in Li-Rich Disordered Rock-Salt Oxide and the Influence of LiNbO
Surface Modification on the Electrochemical Performance
Cambaz, M. A.; Vinayan, B. P.; Geßwein, H.; Schiele, A.; Sarapuolva, A.; Diemant, T.; Mazilkin, A.; Brezesinski, T.; Behm, R. J.; Ehrenberg, H.; Fichtner, M.
2019. Chemistry of materials, 31 (12), 4330–4340. doi:10.1021/acs.chemmater.8b04504 -
Difference in Electrochemical Mechanism of SnO₂ Conversion in Lithium-Ion and Sodium-Ion Batteries: Combined in Operando and Ex Situ XAS Investigations
Dixon, D.; Ávila, M.; Ehrenberg, H.; Bhaskar, A.
2019. ACS omega, 4 (6), 9731–9738. doi:10.1021/acsomega.9b00563 -
Synthesis and electrochemical properties of rGO/polypyrrole/ferrites nanocomposites obtained via a hydrothermal route for hybrid aqueous supercapacitors
Mariappan, C. R.; Gajraj, V.; Gade, S.; Kumar, A.; Dsoke, S.; Indris, S.; Ehrenberg, H.; Prakash, G. V.; Jose, R.
2019. Journal of electroanalytical chemistry, 845, 72–83. doi:10.1016/j.jelechem.2019.05.031 -
Structural and magnetic properties of Ce 1−x Sm x Fe 11−y Ti 1 V y
Simon, D.; Wuest, H.; Hinderberger, S.; Koehler, T.; Marusczyk, A.; Sawatzki, S.; Diop, L. V. B.; Skokov, K.; Maccari, F.; Senyshyn, A.; Ehrenberg, H.; Gutfleisch, O.
2019. Acta materialia, 172, 131–138. doi:10.1016/j.actamat.2019.04.006 -
An improved electro-thermal battery model complemented by current dependent parameters for vehicular low temperature application
Zhu, J.; Knapp, M.; Darma, M. S. D.; Fang, Q.; Wang, X.; Dai, H.; Wei, X.; Ehrenberg, H.
2019. Applied energy, 248, 149–161. doi:10.1016/j.apenergy.2019.04.066 -
Ni
TiOPO 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[Li
Ni Mn ]O Oxides
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, 9 (8), Article: 1803094. doi:10.1002/aenm.201803094 -
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 -
Anatase TiO
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 -
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 -
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 -
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 -
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 -
High-Resolution Surface Analysis on Aluminum Oxide-Coated Li
Mn Ni Co O with Improved Capacity Retention
Dannehl, N.; Steinmüller, S. O.; Szabo, 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 -
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 -
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
Mühlbauer, M. J.; Bücherl, T.; Kellermeier, M.; Knapp, M.; Makowska, M.; Schulz, M.; Zimnik, S.; Ehrenberg, H.
2017. Physica / B, 551, 359–363. 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 <Washington, DC> / 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 -
Structural properties and application in lithium cells of Li(Ni0.5Co0.5)1−yFeyO2 (0 ≤ y ≤ 0.25) prepared by sol–gel route: Doping optimization
Abdel-Ghany, A. E.; Hashem, A. M.; Elzahany, E. A.; Abuzeid, H. A.; Indris, S.; Nikolowski, K.; Ehrenberg, H.; Zaghib, K.; Mauger, A.; Julien, C. M.
2016. Journal of power sources, 320, 168–179. doi:10.1016/j.jpowsour.2016.04.087 -
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 -
Effect of oxygen plasma treatment on the electrochemical performance of the rayon and polyacrylonitrile based carbon felt for the vanadium redox flow battery application
Dixon, D.; Babu, D. J.; Langner, J.; Bruns, M.; Pfaffmann, L.; Bhaskar, A.; Schneider, J. J.; Scheiba, F.; Ehrenberg, H.
2016. Journal of power sources, 332, 240–248. doi:10.1016/j.jpowsour.2016.09.070 -
Monoclinic β-Li₂TiO₃: Neutron diffraction study and estimation of Li diffusion pathways
Monchak, M.; Dolotko, O.; Mühlbauer, M. J.; Baran, V.; Senyshyn, A.; Ehrenberg, H.
2016. Solid state sciences, 61, 161–166. doi:10.1016/j.solidstatesciences.2016.09.008 -
Toward On-and-Off Magnetism: Reversible Electrochemistry to Control Magnetic Phase Transitions in Spinel Ferrites
Dasgupta, S.; Das, B.; Li, Q.; Wang, D.; Baby, T. T.; Indris, S.; Knapp, M.; Ehrenberg, H.; Fink, K.; Kruk, R.; Hahn, H.
2016. Advanced functional materials, 26 (41), 7507–7515. doi:10.1002/adfm.201603411 -
Layered-to-Tunnel Structure Transformation and Oxygen Redox Chemistry in LiRhO2 upon Li Extraction and Insertion
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Enhancement of electrochemical performance by simultaneous substitution of Ni and Mn with Fe in Ni-Mn spinel cathodes for Li-ion batteries
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Li₄Ge₂B as a new derivative of the Mo₂B₅ and Li₅Sn₂ structure types
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Structure and dielectric dispersion in cubic-like 0.5K0.5Na0.5NbO3-0.5Na1/2Bi1/2TiO3 ceramic
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Metal-Support Interactions of Platinum Nanoparticles Decorated N-Doped Carbon Nanofibers for the Oxygen Reduction Reaction
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Identifying the redox activity of cation-disordered Li-Fe-V-Ti oxide cathodes for Li-ion batteries
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Investigation of the electrochemically active surface area and lithium diffusion in graphite anodes by a novel OsO₄ staining method
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Effect of Internal Current Flow during the Sintering of Zirconium Diboride by Field Assisted Sintering Technology
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Synthesis, Rietveld refinements, Infrared and Raman spectroscopy studies of the sodium diphosphate NaCryFe1-yP2O7 (0 ≤ y ≤ 1)
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Homogeneity of lithium distribution in cylinder-type Li-ion batteries
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Amendment of the Li-Bi phase diagram crystal and electronic structure of Li₂Bi
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Unraveling the degradation process of LiNi₀̣₈Co₀̣₁₅Al₀̣₀₅O₂ electrodes in commercial lithium ion batteries by electronic structure investigations
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Elucidation of the electrochemical reaction mechanism in MFe₂O₄ (M=Ni, Co) conversion-type negative electrode systems by using in situ X-ray absorption spectroscopy
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Copper(II) perrhenate Cu(C₃H₇OH)₂(ReO₄)₂: Synthesis from isopropanol and CuReO₄ structure and properties
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Unravelling the mechanism of lithium insertion into and extraction from trirutile-type LiNiFeF₆ cathode material for Li-ion batteries
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A new tetragonal structure type for Li₂B₂C
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Na₃V₂(PO₄)₃/C composite as the intercalation-type anode material for sodium-ion batteries with superior rate capability and long-cycle life
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Fundamental degradation mechanisms of layered oxide Li-ion battery cathode materials: Methodology, insights and novel approaches
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Lithium Insertion into Li₂MoO₄ : Reversible formation of (Li₃Mo)O₄ with a disordered rock-salt structure
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Mechanism of the delithiation/Lithiation process in LiFe₀̣₄Mn₀̣₆PO₄: in situ and ex situ investigations on long-range and local structures
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Combining high time and angular resolutions : time-resolved X-ray powder diffraction using a multi-channel analyser detector
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Sol-gel processing and electrochemical conversion of inverse spinel-type Li₂NiF₄
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Low-temperature performance of Li-ion batteries: The behavior of lithiated graphite
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Observation of the second-order magnetic and reentrant spin-glass transitions in LiNi₀̣₅Mn₀̣₅O₂
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Nanoscale spinel LiFeTiO₄ for intercalaction pseudocapacitive Li⁺ storage
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Direct synthesis of trirutile-type LiMgFeF₆ and its electrochemical characterization as positive electrode in lithium-ion batteries
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Fatigue of LiNi₀̣₈Co₀̣₁₅Al₀̣₀₅O₂ in commercial Li ion batteries
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3d-Transition metal doped spinels as high-voltage cathode materials for rechargeable lithium-ion batteries
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Influence of iron on the structural evolution of LiNi₀̣₄Fe₀̣₂Mn₁̣₄ during electrochemical cycling investigated by in situ powder diffraction and spectroscopic methods
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Liₓ(Al₀̣₈Zn₀̣₂) alloys as anode materials for rechargeable Li-ion
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Improved electrochemical performance of Cu₃B₂O₆-based conversion model electrodes by composite formation with different carbon additives
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Lithium copper(I) orthophosphates Li₃₋ₓCuₓPO₄: Synthesis, crystal structures, and electrochemical properties
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Large strain response based on relaxor-antiferroelectric coherence in Bi₀̣₅Na₀̣₅TiO₃-SrTiO₃-(K₀̣₅Na₀̣₅)NbO₃ solid solutions
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A XAFS study of the conversion reaction mechanism in FeF3 cathode materials for Li-ion batteries
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Neutron diffraction study of Li₄Ti₅O₁₂ at low temperatures
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Platelike LiMPO₄ (M = Fe, Mn, Co, Ni) for possible application in rechargeable Li ion batteries: beyond nanosize
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Electrochemical delithiation/relithiation of LiCoPO₄: A two-step reaction mechanism investigated by in situ X-ray diffraction, in situ X-ray absorption spectroscopy, and ex situ ⁷Li/³¹P NMR spectroscopy
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Reversible Li⁺ storage in a LiMnTiO₄ spinel and its structural transition mechanisms
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Carbon materials for the positive electrode in all-vanadium redox flow batteries
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An O₂ transport study in porous materials within the Li-O₂ system
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Electrochemical oxidation of trivalent chromium in a phosphate matrix: Li₃Cr₂(PO₄)₃ as cathode material for lithium ion batteries
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Lithium dendrite and solid electrolyte interphase investigation using OsO₄
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Welding of Nafion. The influence of time, temperature and pressure
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Improving the rate capability of high voltage lithium-ion battery cathode material LiNi₀̣₅Mn₁̣₅O₄ by ruthenium doping
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Binary lithium indides Li₂₂₋ₓIn₈₊ₓ (x=0.1), Li₁₁₋ₓIn₄₊ₓ (x=1.05), and Li₁₀₋ₓIn₂₊ₓ (x=1.59) with clusters
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Sol-gel based synthesis of LiNiFeF₆ and its electrochemical characterization
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LiZn₄₋ₓ (x = 0.825) as a (3 + 1)-dimensional modulated derivative of hexagonal close packing
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Possible piezoelectric materials CsMZr₀̣₅(MoO₄)₃ (M = Al, Sc, V, Cr, Fe, Ga, In) and CsCrTi₀̣₅(MoO₄)₃: Structure and physical properties
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In Situ Diffraction Measurements: Challenges, Instrumentation, and Examples
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Oxides for Li intercalation, Li-ion batteries
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Investigation of Copper-Cobalt-Oxides as Model Systems for Composite Interactions in Conversion-Type Electrodes for Lithium-Ion Batteries
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Structural Changes in the LiCrMnO₄ Cathode Material during Electrochemical Li Extraction and Insertion
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New Lithium Copper Borates with BO₃ Triangles : Li₆CuB₄O₁₀, Li₃CuB₃O₇, Li₈Cu₇B₁₄O₃₂, and Li₂Cu₉B₁₂O₂₈
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Increase of catalyst utilization in polymer electrolyte membrane fuel cells by shape-selected Pt nanoparticles
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Phase and Microstructure Development in the Conversion Type Electrodes for Li-Ion Batteries Based on the Cu-Fe-O System
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Single crystal structure determination and infrared fluorescence of the system (K₃Sr₁₋ₓNdₓ) (Nd₁₋ₓSr₁₊ₓ) Nb₁₀O₃₀
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Developments in nanostructured LiMPO₄ (M = Fe, Co, Ni, Mn) composites based on three dimensional carbon architecture
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