Publications 2011

Publications 2011

Investigation of Channel-to-Channel Cross Convection in Serpentine Flow Fields D. Tehlar, R. Flückiger, A. Wokaun, F.N. Büchi
Fuel Cells, 10 , 1040-1049 (2011).
DOI: 10.1002/fuce.201000034OG-5422
 
Progress in In Situ X-Ray Tomographic Microscopy of Liquid Water in Gas Diffusion Layers of PEFC J. Eller, T. Rosén, F. Marone, M. Stampanoni, A. Wokaun, and F.N. Büchi
J. Electrochem. Soc. 158 B963 (2011).
DOI: 10.1149/1.3596556OG-5422
 
Neutron Imaging P. Boillat, G.G. Scherer
Chapter 12: in H. Wang, X.Z. Yuan, H.Li, Handbook of PEM Fuel Cell Durability, Volume 2: PEM Fuel Cell Diagnostic Tools, Taylor & Francis Group, LLC, CRC (2011)..
DOI: 10.1201/b11100-14OG-5420
 
The influence of Cr-composition on the local magnetic structure of FeCr alloys A. Idhil, C.N. Borca, A. Uldry, N. Zema, S. Turchini, D. Catone, A. Foelske, D. Grolimund, M. Samaras
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms (2011), In Press, Corrected Proof.
DOI: 10.1016/j.nimb.2011.08.071OG-5423
 
In situ Electrochemical Dilatometry of Carbide-Derived Carbons M. M. Hantel, V. Presser, R. Kötz, and Y. Gogotsi
Electrochemistry Communications 13 (2011) 1221–1224.
DOI: 10.1016/j.elecom.2011.08.039OG-5423
 
XPS analysis of activated carbon supported ionic liquids: Enhanced purity and reduced charging A. Foelske-Schmitz , D. Weingarth, R. Kötz
Surface Science,Volume 605, Issues 23-24 (2011) 1979-1985.
DOI: 10.1016/j.susc.2011.07.016OG-5423
 
Improvement of homogeneity and interfacial properties of radiation grafted membranes for fuel cells using diisopropenylbenzene crosslinker H. Ben youcef, Lorenz Gubler, Annette Foelske-Schmitz and Günther G. Scherer
Journal of Membrane Science 381 (2011) 102-109.
DOI: 10.1016/j.memsci.2011.07.021OG-5423
 
Surface layer formation on Li1+xMn2O4 − δ thin film electrodes during electrochemical cycling F. Simmen, A. Foelske-Schmitz, P. Verma, M. Horisberger, Th. Lippert, P. Novák, C.W. Schneider and A. Wokaun
Electrochimica Acta 56 (2011) 8539- 8544.
DOI: 10.1016/j.electacta.2011.07.046OG-5410 , OG-5411 , OG-5423
 
Hybridization of electrochemical capacitors and rechargeable batteries: an experimental analysis of the different possible approaches utilizing activated carbon, Li4Ti5O12 and LiMn2O4 D. Cericola, P. Novák, A. Wokaun, R. Kötz
Journal of Power Sources, Volume 196, Issue 23 (2011) 10305-10313.
DOI: 10.1016/j.jpowsour.2011.07.032OG-5410 , OG-5413 , OG-5423
 
Mixed bi-material electrodes based on LiMn2O4 and activated carbon for hybrid electrochemical energy storage devices D. Cericola, P. Novák, A. Wokaun, R. Kötz
Electrochimica Acta 56 (2011) 8403-8411.
DOI: 10.1016/j.electacta.2011.07.029OG-5410 , OG-5413 , OG-5423
 
Study of Platinum Deposition on Untreated and Thermally Modified Glassy Carbon A. Savouchkina, A. Foelske-Schmitz, G.G. Scherer, A. Wokaun, R. Kötz
Journal of the Electrochemical Society 158 (7) D420-D425 (2011).
DOI: 10.1149/1.3589915OG-5423
 
Effect of Water on the Aging of Activated Carbon Based Electrochemical Double Layer Capacitors During Constant Voltage Load Tests D. Cericola, P.W. Ruch, A. Foelske-Schmitz, D. Weingarth, R. Kötz
International Journal of Electrochemical Science, 6 (2011) 988 - 996.
DOI: OG-5423
 
Quasi in situ XPS study of electrochemical oxidation and reduction of HOPG in [EMIM][BF4] electrolytes A. Foelske-Schmitz, D. Weingarth, R. Kötz
Electrochimica Acta 56 Issue 28 (2011) 10321-10331.
DOI: 10.1016/j.electacta.2011.03.064OG-5423
 
In situ electrochemical XPS study of the Pt / [EMIM][BF4] system D. Weingarth, A. Foelske-Schmitz, A. Wokaun, R. Kötz
Electrochemistry Communications 13 (2011) 619-622.
DOI: 10.1016/j.elecom.2011.03.027OG-5423
 
In situ STM Study of Pt-Nanodot Arrays on HOPG Prepared by Electron-beam Lithography A. Savouchkina, A. Foelske-Schmitz, V. A. Guzenko, D. Weingarth, G. G. Scherer, A. Wokaun, R. Kötz
Electrochemistry Communications (2011), Volume 13, Issue 5, May 2011, Pages 484-487.
DOI: 10.1016/j.elecom.2011.02.027OG-5423
 
Bis(2,2’-biphenoxy)borates for Electrochemical Double-Layer Capacitor Electrolytes R. Francke, D. Cericola, R. Kötz, G. Schnakenburg, and S.R. Waldvogel
Chemistry a European Journal 2011, 17, 3082 – 3085.
DOI: 10.1002/chem.201003449OG-5423
 
Fabrication of large scale arrays of metallic nanodots by means of high resolution 3 e-beam lithography V. A. Guzenko, J. Ziegler, A. Savouchkina, C. Padeste, Ch. David
Microelectronic Engineering 88 (2011) 1972 -1974.
DOI: 10.1016/j.mee.2011.02.042OG-5423
 
Effect of electrode mass ratio on aging of activated carbon based supercapacitors utilizing organic electrolytes. D. Cericola, R. Kötz, and A. Wokaun
Journal of Power Sources 196 (2011) 3114-3118.
DOI: 10.1016/j.jpowsour.2010.11.157OG-5423
 
Partially reduced graphite oxide for supercapacitor electrodes: Effect of graphene layer spacing and huge specific capacitance M.M. Hantel, T. Kaspar, R. Nesper, A. Wokaun and R. Kötz
Electrochemistry Communications 13 (2011) 90-92.
DOI: 10.1016/j.elecom.2010.11.021OG-5423
 
Segmented bi-material electrodes of activated carbon and LiMn2O4 for electrochemical hybrid storage devices: effect of mass ratio and C-rate on current sharing. D. Cericola, P. Novák, A. Wokaun, R. Kötz
Electrochimica Acta 56 (2011) 1288-1293.
DOI: 10.1016/j.electacta.2010.10.016OG-5413 , OG-5423
 
Influence of graphite surface properties on the first electrochemical lithium intercalation. P. Bernardo, J. Dentzer, R. Gadiou, W. Märkle, D. Goers, P. Novák, M. E. Spahr, and C. Vix-Guterl
Carbon 49 (2011) 4867-4876.
DOI: 10.1016/j.carbon.2011.07.007OG-5410 , OG-5411
 
Microwave-assisted solution synthesis of doped LiFePO 4 with high specific charge and outstanding cycling performance. I. Bilecka, A. Hintennach, M. D. Rossell, D. Xie, P. Novák, and M. Niederberger
Journal of Materials Chemistry 21 (2011) 5881-5890.
DOI: 10.1039/c0jm03476bOG-5410 , OG-5411
 
Reactions in the rechargeable lithium-O 2 battery with alkyl carbonate electrolytes. S. A. Freunberger, Y. Chen, Z. Peng, J. M. Griffin, L. J. Hardwick, F. Bardé, P. Novák, and P. G. Bruce
Journal of the American Chemical Society 133 (2011) 8040-8047.
DOI: 10.1021/ja2021747OG-5410 , OG-5412
 
The influence of the local current density on the electrochemical exfoliation of graphite in lithium-ion battery negative electrodes. D. Goers, M. E. Spahr, A. Leone, W. Märkle, and P. Novák
Electrochimica Acta 56 (2011) 3799-3808.
DOI: 10.1016/j.electacta.2011.02.046OG-5410 , OG-5413
 
A novel combinative Raman and SEM mapping method for the detection of exfoliation of graphite in electrodes at very positive potentials. A. Hintennach and P. Novák
Journal of Raman Spectroscopy 42 (2011) 1754-1760.
DOI: 10.1002/jrs.2930OG-5410 , OG-5412
 
Interplay between size and crystal structure of molybdenum dioxide nanoparticlesâ-synthesis, growth mechanism, and electrochemical performance. D. Koziej, M. D. Rossell, B. Ludi, A. Hintennach, P. Novák, J. D. Grunwaldt, and M. Niederberger
Small 7 (2011) 377-387.
DOI: 10.1002/smll.201001606OG-5410 , OG-5411
 
Morphology of the solid electrolyte interphase on graphite in dependency on the formation current. W. Märkle, C. Y. Lu, and P. Novák
Journal of the Electrochemical Society 158 (2011) A1478-A1482.
DOI: 10.1149/2.077112jesOG-5410 , OG-5412
 
Synthesis of a polymeric 2,5-di-t-butyl-1,4-dialkoxybenzene and its evaluation as a novel cathode material. P. Nesvadba, L. B. Folger, P. Maire, and P. Novák
Synthetic Metals 161 (2011) 259-262.
DOI: 10.1016/j.synthmet.2010.11.030OG-5410 , OG-5411
 
Oxygen reactions in a non-aqueous Li + electrolyte. Z. Peng, SA. Freunberger, LJ. Hardwick, Y. Chen, V. Giordani, F. Bardé, P. Novák, D. Graham, JM. Tarascon, and PG. Bruce
Angewandte Chemie - International Edition 50 (2011) 6351-6355.
DOI: 10.1002/anie.201100879OG-5410 , OG-5412
 
Electrochemical and spectroscopic characterization of lithium titanate spinel Li 4Ti 5O 12. H. Schneider, P. Maire, and P. Novák
Electrochimica Acta 56 (2011) 9324-9328.
DOI: 10.1016/j.electacta.2011.08.008OG-5410 , OG-5411
 
Glassy carbon - A promising substrate material for pulsed laser deposition of thin Li 1+xMn 2O 4-δ electrodes. F. Simmen, M. Horisberger, B. Seyfang, T. Lippert, P. Novák, M. Döbeli, M. Mallepell, C. W. Schneider, and A. Wokaun
Applied Surface Science 257 (2011) 5347-5353.
DOI: 10.1016/j.apsusc.2010.11.176OG-5410 , OG-5411
 
Concatenation of electrochemical grafting with chemical or electrochemical modification for preparing electrodes with specific surface functionality. P. Verma, P. Maire, and P. Novák
Electrochimica Acta 56 (2011) 3555-3561.
DOI: 10.1016/j.electacta.2010.11.055OG-5410 , OG-5412
 
Continuous flame aerosol synthesis of carbon-coated nano-LiFePO4 for Li-ion batteries. O. Waser, R. Büchel, A. Hintennach, P. Novák, and S. E. Pratsinis
Journal of Aerosol Science 42 (2011) 657-667.
DOI: 10.1016/j.jaerosci.2011.06.003OG-5410 , OG-5411
 
Morphological and Structural Changes of Mg substituted Li(Ni,Co,Al)O2 during Overcharge Reaction. T. Sasaki, V. Godbole, Y. Takeuchi, Y. Ukyo, and P. Novák
Journal of Electrochemical Society 158 (2011) A1214-A1219.
DOI: 10.1149/2.025111jesOG-5410 , OG-5411
 
Study of Overcharge Behavior of Li1+x(Ni1/3Mn1/3Co1/3)1 xO2 Using In situ and Ex situ X ray Synchrotron Diffraction. V. A. Godbole, J. F. Colin, and P. Novák
Journal of Electrochemical Society 158 (2011) A1005-A1010.
DOI: 10.1149/1.3607982OG-5410 , OG-5411
 
Improvement of homogeneity and interfacial peroperties of radiation grafted membranes for fuel cells using diisopropenylbenzene crosslinker H. Ben youcef, L. Gubler, A. Foelske-Schmitz, G.G. Scherer
J. Membr. Sci. 381 (2011) 102-109.
DOI: 10.1016/j.memsci.2011.07.021OG-5421
 
The effect of platinum on carbon corrosion behavior in polymer electrolyte fuel cells N. Linse, G.G. Scherer, A. Wokaun, L. Gubler
Electrochim. Acta 56 (2011) 7541-7549.
DOI: 10.1016/j.electacta.2011.06.093OG-5421
 
Damage to fuel cell membranes. Reaction of SO4*- with an oligomer of poly(sodium styrene sulfonate) S.M. Dockheer, L. Gubler, A. Wokaun, W.H. Koppenol
Phys. Chem. Chem. Phys. 13 (2011) 12429-12434.
DOI: 10.1039/c1cp20499hOG-5421
 
Radical (HO*, H* and HOO*) formation and ionomer degradation in polymer electrolyte fuel cells L. Gubler, S.M. Dockheer, W.H. Koppenol
J. Electrochem. Soc. 158 (2011) B755-B769.
DOI: 10.1149/1.3581040OG-5421
 
Nano-scale morphology in graft copolymer proton-exchange membranes cross-linked with DIPB S. Balog, U. Gasser, K. Mortensen, H. Ben youcef, L. Gubler, G.G. Scherer
J. Membr. Sci. 383 (2011) 50-59.
DOI: 10.1016/j.memsci.2011.08.031OG-5421
 
Start-Stop phenomena in channel and land areas of a polymer electrolyte fuel cell I.A. Schneider, S. von Dahlen
Electrochem. Solid State Lett. 14, B30-B33 (2011).
DOI: 10.1149/1.3518520OG-5422
 
Locally resolved electrochemical Impedance spectroscopy in channel and land areas of a differential polymer electrolyte fuel cell I.A. Schneider, M.H. Bayer, S. von Dahlen
J. Electrochem. Society 158, B343-B348 (2011).
DOI: 10.1149/1.3536498OG-5422
 
Using 2H labeling with neutron radiography for the study of solid polymer electrolyte water transport properties P. Boillat, P. Oberholzer, B.C. Seyfang, A. Kästner, R. Perego, G.G. Scherer, E.H. Lehmann, A. Wokaun
J. Phys.: Condens. Matter 23, 234108 (2011)..
DOI: 10.1088/0953-8984/23/23/234108OG-5420
 
Quantification of platinum deposition in polymer electrolyte fuel cell membranes H. Schulenburg, B. Schwanitz, J. Krbanjevic, N. Linse, G. G. Scherer, A. Wokaun
Electrochemistry Communications 13 (2011) 921–923.
DOI: 10.1016/j.elecom.2011.05.033,OG-5423
 
3D Imaging of Catalyst Support Corrosion in Polymer Electrolyte Fuel Cells H. Schulenburg, B. Schwanitz, N. Linse, G.G. Scherer, A. Wokaun, J. Krbanjevic, R. Grothausmann, I. Manke
J. Phys. Chem. C 115, 14236–14243 (2011).
DOI: 10.1021/jp203016uOG-5423
 
Stability of ultra-low Pt anodes for polymer Electrolyte Fuel Cells prepared by magnetron sputtering B. Schwanitz, H. Schulenburg, M. Horisberger, A. Wokaun, G.G. Scherer
Electrocatal 2, 35-41 (2011)..
DOI: 10.1007/s12678-010-0032-zOG-5423