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Dr. Michal Václavů

Researcher

michal.vaclavu@gmail.com
+420-95155-2763
+420-95155-2752
Prague
orc_id ORCID 0000-0002-3314-0531
researcher_id Researcher ID A-7401-2017
scopus_id Scopus ID 24765794600
people

Publications

Year 2020

  1. Ostroverkh, A; Dubau, M; Kúš, P; Haviar, S; Václavů, M; Šmíd, B; Fiala, R; Yakovlev, Y; Ostroverkh, Y; Johánek, V
    Durable ultra‐low‐platinum ionomer‐free anode catalyst for hydrogen proton exchange membrane fuel cell
    Int J Energy Res 44 :  (11 pages), 2020.
    doi:10.1002/er.5245 (abstract link)  PDF ISI ID:000523954300039 BibTeX & \bibitem

Year 2019

  1. Ostroverkh, A; Johánek, V; Dubau, M; Kúš, P; Khalakhan, I; Šmíd, B; Fiala, R; Václavů, M; Ostroverkh, Y; Matolín, V
    Optimization of ionomer-free ultra-low loading Pt catalyst for anode/cathode of PEMFC via magnetron sputtering
    Int. J. Hydrog. Energy 44 :  (13 pages), 2019.
    doi:10.1016/j.ijhydene.2018.12.206 (abstract link)  PDF ISI ID:000477685500030 BibTeX & \bibitem

Year 2018

  1. Ostroverkh, A; Dubau, M; Johánek, V; Václavů, M; Šmíd, B; Veltruská, K; Ostroverkh, Y; Fiala, R; Matolín, V
    Efficient Pt-C MEA for PEMFC with Low Platinum Content Prepared by Magnetron Sputtering
    Fuel Cells 18 :  (6 pages), 2018.
    doi:10.1002/fuce.201700137 (abstract link)  PDF ISI ID:000426166800007 BibTeX & \bibitem

Year 2017

  1. Chundak, M; Yoshitake, M; Vaclavu, M; Matolin, V; Chikyow, T
    Influence of chemical equilibrium in introduced oxygen vacancies on resistive switching in epitaxial Pt-CeO2 system
    J. Solid State Electrochem. 21 :  (8 pages), 2017.
    doi:10.1007/s10008-016-3400-7 (abstract link)  PDF ISI ID:000394379600004 BibTeX & \bibitem
  2. Václavů, T; Rudajevová, A; Václavů, M; Daniš, S; Popelková, D; Kužel, R
    The effect of different atmospheres on structural changes of titanate nanotubes during heating
    J. Therm. Anal. Calorim. 128 :  (7 pages), 2017.
    doi:10.1007/s10973-016-5980-y (abstract link)  PDF ISI ID:000399242400016 BibTeX & \bibitem
  3. Khalakhan, I; Vorokhta, M; Kúš, P; Dopita, M; Václavů, M; Fiala, R; Tsud, N; Skála, T; Matolín, V
    In situ probing of magnetron sputtered Pt-Ni alloy fuel cell catalysts during accelerated durability test using EC-AFM
    Electrochim. Acta 245 :  (10 pages), 2017.
    doi:10.1016/j.electacta.2017.05.202 (abstract link)  PDF ISI ID:000406762700084 BibTeX & \bibitem
  4. Ostroverkh, A; Johanek, V; Dubau, M; Kus, P; Veltruska, K; Vaclavu, M; Fiala, R; Smid, B; Ostroverkh, Y; Matolin, V
    Novel Fuel Cell MEA Based on Pt-C Deposited by Magnetron Sputtering
    ECS Trans. 80 :  (6 pages), 2017.
    doi:10.1149/08008.0225ecst (abstract link)  PDF ISI ID:000425016500022 BibTeX & \bibitem
  5. Khalakhan, I; Lavková, J; Matolínová, I; Vorokhta, M; Potin, V; Kúš, P; Václavů, M; Maraloiu, V-A; Kuncser, A-C; Matolín, V
    Electrochemically shape-controlled transformation of magnetron sputtered platinum films into platinum nanostructures enclosed by high-index facets
    Surf. Coat. Technol. 309 :  (6 pages), 2017.
    doi:10.1016/j.surfcoat.2016.11.017 (abstract link)  PDF ISI ID:000396184400002 BibTeX & \bibitem
  6. Ostroverkh, A; Dubau, M; Johanek, V; Kus, P; Khalkhan, I; Vaclavu, M; Fiala, R; Ostroverkh, Y; Matolin, V
    Optimization of Pt Catalyst for Anode/Cathode of PEMFC via Magnetron Sputtering
    ECS Trans. 80 :  (7 pages), 2017.
    doi:10.1149/08008.0839ecst (abstract link)  PDF ISI ID:000425016500085 BibTeX & \bibitem

Year 2016

  1. Fiala, R; Figueroba, A; Bruix, A; Vaclavu, M; Rednyk, A; Khalakhan, I; Vorokhta, M; Lavkova, J; Illas, F; Potin, V; Matolinova, I; Neyman, KM; Matolin, V
    High efficiency of Pt2+- CeO2 novel thin film catalyst as anode for proton exchange membrane fuel cells
    Appl. Catal. B-Environ. 197 :  (9 pages), 2016.
    doi:10.1016/j.apcatb.2016.02.036 (abstract link)  PDF ISI ID:000381536500027 BibTeX & \bibitem
  2. Vorokhta, M; Khalakhan, I; Vaclavu, M; Kovacs, G; Kozlov, SM; Kus, P; Skala, T; Tsud, N; Lavkova, J; Potin, V; Matolinova, I; Neyman, KM; Matolin, V
    Surface composition of magnetron sputtered Pt-Co thin film catalyst for proton exchange membrane fuel cells
    Appl. Surf. Sci. 365 :  (7 pages), 2016.
    doi:10.1016/j.apsusc.2016.01.004 (abstract link)  PDF ISI ID:000369960300032 BibTeX & \bibitem
  3. Khalakhan, I; Vorokhta, M; Václavů, M; Šmíd, B; Lavková, J; Matolínová, I; Fiala, R; Tsud, N; Skála, T; Matolín, V
    In-situ electrochemical atomic force microscopy study of aging of magnetron sputtered Pt-Co nanoalloy thin films during accelerated degradation test
    Electrochim. Acta 211 :  (7 pages), 2016.
    doi:10.1016/j.electacta.2016.06.035 (abstract link)  PDF ISI ID:000380904100007 BibTeX & \bibitem
  4. Khalakhan, I; Fiala, R; Lavková, J; Kúš, P; Ostroverkh, A; Václavů, M; Vorokhta, M; Matolínová, I; Matolín, V
    Candle Soot as Efficient Support for Proton Exchange Membrane Fuel Cell Catalyst
    Fuel Cells 16 :  (4 pages), 2016.
    doi:10.1002/fuce.201600016 (abstract link)  PDF ISI ID:000386149300017 BibTeX & \bibitem

Year 2015

  1. Sevcikova, K; Kolarova, T; Skala, T; Tsud, N; Vaclavu, M; Lykhach, Y; Matolin, V; Nehasil, V
    Impact of Rh–CeOx interaction on CO oxidation mechanisms
    Appl. Surf. Sci. 332 :  (9 pages), 2015.
    doi:10.1016/j.apsusc.2015.01.197 (abstract link)  PDF ISI ID:000350373300097 BibTeX & \bibitem
  2. Johanek, V; Vaclavu, M; Matolinova, I; Khalakhan, I; Haviar, S; Matolin, V
    High low-temperature CO oxidation activity of platinum oxide prepared by magnetron sputtering
    Appl. Surf. Sci. 345 :  (10 pages), 2015.
    doi:10.1016/j.apsusc.2015.03.108 (abstract link)  PDF ISI ID:000353803000041 BibTeX & \bibitem
  3. Fiala, R; Vaclavu, M; Vorokhta, M; Khalakhan, I; Lavkova, J; Potin, V; Matolinova, I; Matolin, V
    Proton exchange membrane fuel cell made of magnetron sputtered Pt–CeOx and Pt–Co thin film catalysts
    J. Power Sources 273 :  (5 pages), 2015.
    doi:10.1016/j.jpowsour.2014.08.093 (abstract link)  PDF ISI ID:000345725700012 BibTeX & \bibitem
  4. Zahoranova, T; Mori, T; Yan, P; Sevcikova, K; Vaclavu, M; Matolin, V; Nehasil, V
    Study of the character of gold nanoparticles deposited onto sputtered cerium oxide layers by deposition-precipitation method: Influence of the preparation parameters
    Vacuum 114 :  (7 pages), 2015.
    doi:10.1016/j.vacuum.2015.01.005 (abstract link)  PDF ISI ID:000351247700016 BibTeX & \bibitem
  5. Fiala, R; Vaclavu, M; Rednyk, A; Khalakhan, I; Vorokhta, M; Lavkova, J; Potin, V; Matolinova, I; Matolin, V
    Pt–CeOx thin film catalysts for PEMFC
    Catal. Today 240 :  (6 pages), 2015.
    doi:10.1016/j.cattod.2014.03.069 (abstract link)  PDF ISI ID:000345124200009 BibTeX & \bibitem

Year 2014

  1. Bruix, A; Lykhach, Y; Matolinova, I; Neitzel, A; Skala, T; Tsud, N; Vorokhta, M; Stetsovych, V; Sevcikova, K; Myslivecek, J; Fiala, R; Vaclavu, M; Prince, KC; Bruyere, S; Potin, V; Illas, F; Matolin, V; Libuda, J; Neyman, KM
    Maximum Noble-Metal Efficiency in Catalytic Materials: Atomically Dispersed Surface Platinum
    Angew. Chem.-Int. Edit. 53 :  (6 pages), 2014.
    doi:10.1002/anie.201402342 (abstract link)  PDF ISI ID:000342760700047 BibTeX & \bibitem

Year 2013

  1. Yoshitake, M; Vaclavu, M; Chundak, M; Matolin, V; Chikyow, T
    Epitaxial CeO2 thin films for a mechanism study of resistive random access memory (ReRAM)
    J. Solid State Electrochem. 17 :  (8 pages), 2013.
    doi:10.1007/s10008-013-2200-6 (abstract link)  PDF ISI ID:000327077000022 BibTeX & \bibitem

Year 2012

  1. Matolin, V; Matolinova, I; Dvorak, F; Johanek, V; Myslivecek, J; Prince, KC; Skala, T; Stetsovych, O; Tsud, N; Vaclavu, M; Smid, B
    Water interaction with CeO2(1 1 1)/Cu(1 1 1) model catalyst surface
    Catal. Today 181 :  (9 pages), 2012.
    doi:10.1016/j.cattod.2011.05.032 (abstract link)  PDF ISI ID:000299315100020 BibTeX & \bibitem
  2. Matolin, V; Fiala, R; Khalakhan, I; Lavkova, J; Vaclavu, M; Vorokhta, M
    Nanoporous Pt<sup>n+</sup>&#8211;CeO<sub>x</sub> catalyst films grown on carbon substrates
    Int. J. Nanotechnol. 9 :  (15 pages), 2012.
    doi:10.1504/IJNT.2012.046748 (abstract link)  PDF ISI ID:000303800500003 BibTeX & \bibitem

Year 2011

  1. Fiala, R; Khalakhan, I; Matolinova, I; Vaclavu, M; Vorokhta, M; Sofer, Z; Huber, S; Potin, V; Matolin, V
    Pt-CeO2 Coating of Carbon Nanotubes Grown on Anode Gas Diffusion Layer of the Polymer Electrolyte Membrane Fuel Cell
    J. Nanosci. Nanotechnol. 11 :  (6 pages), 2011.
    doi:10.1166/jnn.2011.4128 (abstract link)  PDF ISI ID:000291568100055 BibTeX & \bibitem

Year 2010

  1. Matolin, V; Matolinova, I; Vaclavu, M; Khalakhan, I; Vorokhta, M; Fiala, R; Pis, I; Sofer, Z; Poltierova-Vejpravova, J; Mori, T; Potin, V; Yoshikawa, H; Ueda, S; Kobayashi, K
    Platinum-Doped CeO2 Thin Film Catalysts Prepared by Magnetron Sputtering
    Langmuir 26 :  (8 pages), 2010.
    doi:10.1021/la100399t (abstract link)  PDF ISI ID:000280353800051 BibTeX & \bibitem
  2. Matolin, V; Khalakhan, I; Matolinova, I; Vaclavu, M; Veltruska, K; Vorokhta, M
    Pt2+,4+ ions in CeO2 rf-sputtered thin films
    Surf. Interface Anal. 42 :  (4 pages), 2010.
    doi:10.1002/sia.3327 (abstract link)  PDF ISI ID:000281149700094 BibTeX & \bibitem
  3. Matolin, V; Cabala, M; Matolinova, I; Skoda, M; Vaclavu, M; Prince, KC; Skala, T; Mori, T; Yoshikawa, H; Yamashita, Y; Ueda, S; Kobayashi, K
    Pt and Sn Doped Sputtered CeO2 Electrodes for Fuel Cell Applications
    Fuel Cells 10 :  (6 pages), 2010.
    doi:10.1002/fuce.200900036 (abstract link)  PDF ISI ID:000275039100018 BibTeX & \bibitem

Year 2009

  1. Vaclavu, M; Matolinova, I; Myslivecek, J; Fiala, R; Matolin, V
    Anode Material for Hydrogen Polymer Membrane Fuel Cell: Pt&#8211;CeO2 RF-Sputtered Thin Films
    J. Electrochem. Soc. 156 :  (5 pages), 2009.
    doi:10.1149/1.3147255 (abstract link)  PDF ISI ID: BibTeX & \bibitem
  2. Matolin, V; Cabala, M; Matolinova, I; Skoda, M; Libra, J; Vaclavu, M; Prince, KC; Skala, T; Yoshikawa, H; Yamashita, Y; Ueda, S; Kobayashi, K
    Au+ and Au3+ ions in CeO2 rf-sputtered thin films
    J. Phys. D-Appl. Phys. 42 11 : Art. No. 115301 (6 pages), 2009.
    doi:10.1088/0022-3727/42/11/115301 (abstract link)  PDF ISI ID: BibTeX & \bibitem
  3. Masek, K; Vaclavu, M; Babor, P; Matolin, V
    Sn&#8211;CeO2 thin films prepared by rf magnetron sputtering: XPS and SIMS study
    Appl. Surf. Sci. 255 :  (5 pages), 2009.
    doi:10.1016/j.apsusc.2009.02.080 (abstract link)  PDF ISI ID: BibTeX & \bibitem
  4. Sofer, Z; Sedmidubsky, D; Stejskal, J; Hejtmanek, J; Maryko, M; Jurek, K; Havranek, V; Mackova, A; Hardtdegen, H; Vaclavu, M
    In-situ doping and implantation of GaN layers with Mn
    Phys. Status Solidi C 6 :  (4 pages), 2009.
    doi:10.1002/pssc.200880851 (abstract link)  PDF ISI ID:000294494400090 BibTeX & \bibitem

Year 2008

  1. Sofer, Z; Sedmidubsky, D; Stejskal, J; Hejtmanek, J; Marysko, M; Jurek, K; Vaclavu, M; Havranek, V; Mackova, A
    Growth and characterization of GaN:Mn layers by MOVPE
    J. Cryst. Growth 310 :  (3 pages), 2008.
    doi:10.1016/j.jcrysgro.2008.07.103 (abstract link)  PDF ISI ID:000262019400077 BibTeX & \bibitem

Scientific activities

Testing of fuel cell stacks and single cells, development and benchmarking of fuel cell catalysts.

    

Scientific expertise

Photoelectron spectroscopies with laboratory sources and synchrotron radiation (XPS, SRPES), secondary ion mass spectroscopy (SIMS), temperature programmed reaction (TPR), fuel cell testing, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), magnetron sputtering, operation and maintenance of vacuum systems (low, high, and ultrahigh vacuum), operation and maintenance of fuel cell testing equipment, programming and computer control of instrumentation, automation of fuel cell testing stations.