2016

Cherkashinin, G. ; Jaegermann, W. (2016)
Dissociative adsorption of H2O on LiCoO2 (00l) surfaces: Co reduction induced by electron transfer from intrinsic defects.
In: The Journal of Chemical Physics, 144 (18)
doi: 10.1063/1.4948610
Artikel, Bibliographie

2015

Hausbrand, René ; Cherkashinin, Gennady ; Ehrenberg, Helmut ; Gröting, Melanie ; Albe, Karsten ; Hess, Christian ; Jaegermann, Wolfram (2015)
Fundamental degradation mechanisms of layered oxide Li-ion battery cathode materials: Methodology, insights and novel approaches.
In: Materials Science and Engineering: B, 192
doi: 10.1016/j.mseb.2014.11.014
Artikel, Bibliographie

2014

Cherkashinin, Gennady ; Ensling, David ; Jaegermann, Wolfram (2014)
LiMO2 (M = Ni, Co) thin film cathode materials: A correlation between the valence state of transition metals and the electrochemical properties.
In: Journal of Materials Chemistry A, 2 (10)
doi: 10.1039/c3ta14509c
Artikel, Bibliographie

2013

Cherkashinin, Gennady ; Ensling, David ; Komissinskiy, Philipp ; Hausbrand, René ; Jaegermann, Wolfram (2013)
Temperature induced reduction of the trivalent Ni ions in LiMO2 (M=Ni, Co) thin films.
In: Surface Science, 608
doi: 10.1016/j.susc.2012.09.023
Artikel, Bibliographie

Becker, D. ; Cherkashinin, G. ; Hausbrand, R. ; Jaegermann, W. (2013)
XPS study of diethyl carbonate adsorption on LiCoO2 thin films.
In: Solid State Ionics, 230
doi: 10.1016/j.ssi.2012.08.004
Artikel, Bibliographie

2012

Cherkashinin, Gennady ; Nikolowski, Kristian ; Ehrenberg, Helmut ; Jacke, Susanne ; Dimesso, Lucangelo ; Jaegermann, Wolfram (2012)
The stability of the SEI layer, surface composition and the oxidation state of transition metals at the electrolyte-cathode interface impacted by the electrochemical cycling: X-ray photoelectron spectroscopy investigation.
In: Physical Chemistry Chemical Physics, 14 (35)
doi: 10.1039/C2CP41134B
Artikel, Bibliographie

2010

Li, Jing ; Wu, Qi-Hui ; Jaegermann, Wolfram (2010)
Resonant photoemission spectroscopy study of electronic structures of LiMn2O4.
In: Applied Physics A, 100 (2)
doi: 10.1007/s00339-010-5869-8
Artikel, Bibliographie

2009

Laubach, Sonja ; Laubach, Stefan ; Schmidt, Peter C. ; Gröting, Melanie ; Albe, Karsten ; Jaegermann, Wolfram ; Wolf, Walter (2009)
Structure, Electronic Structure and Defect Formation Energies of LixCo1-yNiyO2 as a Function of x (0<x<1) and y (y = 0, 0.5, 1).
In: Zeitschrift für Physikalische Chemie, 223 (10-11)
doi: 10.1524/zpch.2009.6082
Artikel, Bibliographie

Laubach, Sonja ; Laubach, Stefan ; Schmidt, Peter C. ; Ensling, David ; Schmid, Stefan ; Jaegermann, Wolfram ; Thißen, Andreas ; Nikolowski, Kristian ; Ehrenberg, Helmut (2009)
Changes in the crystal and electronic structure of LiCoO2 and LiNiO2 upon Li intercalation and de-intercalation.
In: Physical Chemistry Chemical Physics, 11 (17)
doi: 10.1039/b901200a
Artikel, Bibliographie

2008

Ensling, David ; Thissen, Andreas ; Jaegermann, Wolfram (2008)
On the formation of lithium oxides and carbonates on Li metal electrodes in comparison to LiCoO2 surface phases investigated by photoelectron spectroscopy.
In: Applied Surface Science, 255 (5)
doi: 10.1016/j.apsusc.2008.07.196
Artikel, Bibliographie

Bhuvaneswari, M. S. ; Bramnik, N. N. ; Ensling, D. ; Ehrenberg, H. ; Jaegermann, W. (2008)
Synthesis and characterization of Carbon Nano Fiber/LiFePO4 composites for Li-ion batteries.
In: Journal of Power Sources, 180 (1)
doi: 10.1016/j.jpowsour.2008.01.090
Artikel, Bibliographie

2007

Laubach, Stefan ; Schmidt, Peter C. ; Thißen, Andreas ; Fernandez-Madrigal, Francisco Javier ; Wu, Qi-Hui ; Jaegermann, Wolfram ; Klemm, Matthias ; Horn, Siegfried (2007)
Theoretical and experimental determination of the electronic structure of V2O5, reduced V2O5-x and sodium intercalated NaV2O5.
In: Physical Chemistry Chemical Physics, 9 (20)
doi: 10.1039/b612489e
Artikel, Bibliographie

2006

Wu, Q.-H. ; Thissen, A. ; Jaegermann, W. ; Schüz, M. ; Schmidt, P. C. (2006)
Resonant photoemission spectroscopy study of electronic structure of V2O5.
In: Chemical Physics Letters, 430 (4-6)
doi: 10.1016/j.cplett.2006.08.071
Artikel, Bibliographie

Wu, Qi-Hui ; Thissen, Andreas ; Jaegermann, Wolfram (2006)
Photoemission spectroscopy and electronic structures of LiMn2O4.
In: Chinese Physics Letters, 23 (8)
doi: 10.1088/0256-307X/23/8/066
Artikel, Bibliographie

Donsanti, F. ; Kostourou, K. ; Decker, F. ; Ibris, N. ; Salvi, A. M. ; Liberatore, M. ; Thissen, A. ; Jaegermann, W. ; Lincot, D. (2006)
Alkali ion intercalation in V2O5: Preparation and laboratory characterization of thin films produced by ALD.
In: Surface and Interface Analysis, 38 (4)
doi: 10.1002/sia.2237
Artikel, Bibliographie

2005

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
XPS and UPS study of Na deposition on thin film V2O5.
In: Applied Surface Science, 252 (5)
doi: 10.1016/j.apsusc.2005.03.134
Artikel, Bibliographie

Ensling, D. ; Thißen, A. ; Gassenbauer, Y. ; Klein, Andreas ; Jaegermann, W. (2005)
In-Situ Preparation and Analysis of Functional Oxides.
In: Advanced Engineering Materials, 7 (10)
doi: 10.1002/adem.200500125
Artikel, Bibliographie

Alcántara, Ricardo ; Ortiz, Gregorio F. ; Lavela, Pedro ; Tirado, José L. ; Jaegermann, Wolfram ; Thißen, Andreas (2005)
Rotor blade grinding and re-annealing of LiCoO2: SEM, XPS, EIS and electrochemical study.
In: Journal of Electroanalytical Chemistry, 584 (2)
doi: 10.1016/j.jelechem.2005.07.011
Artikel, Bibliographie

Thißen, Andreas ; Ensling, David ; Fernández-Madrigal, Francisco Javier ; Jaegermann, Wolfram ; Alcántara, Ricardo ; Lavela, Pedro ; Tirado, José L. (2005)
Photoelectron Spectroscopic Study of the Reaction of Li and Na with NiCo2O4.
In: Chemistry of Materials, 17 (20)
doi: 10.1021/cm051138p
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
Photoelectron spectroscopic study of Li oxides on Li over-deposited VO thin film surfaces.
In: Applied Surface Science, 250 (1-4)
doi: 10.1016/j.apsusc.2004.12.023
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
Photoelectron spectroscopic study of Li intercalation into V2O5 thin films.
In: Surface Science, 578 (1-3)
doi: 10.1016/j.susc.2005.01.042
Artikel, Bibliographie

2004

Wu, Qi-Hui ; Thissen, Andreas ; Jaegermann, Wolfram ; Liu, Meilin (2004)
Photoelectron spectroscopy study of oxygen vacancy on vanadium oxides surface.
In: Applied Surface Science, 236 (1-4)
doi: 10.1016/j.apsusc.2004.05.112
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2004)
Photoelectron spectroscopic study of Na intercalation into V2O5 thin films.
In: Solid State Ionics, 167 (1-2)
doi: 10.1016/j.ssi.2003.12.016
Artikel, Bibliographie