Publications 2011

Investigation of Channel-to-Channel Cross Convection in Serpentine Flow Fields D. Tehlar, R. Flückiger, A. Wokaun, F.N. Büchi

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

DOI: 10.1149/1.3596556OG-5422
 

Neutron Imaging P. Boillat, G.G. Scherer

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

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

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

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

DOI: 10.1016/j.memsci.2011.07.021OG-5423
 

Surface layer formation on Li_1+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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

DOI: 10.1007/s12678-010-0032-zOG-5423