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Št. zadetkov: 9
Algoritmi za obdelavo slik elektronske mikroskopije pri atomski ločljivosti
Ana Rebeka Kamšek, Simon Čopar, Goran Dražić
Magistrsko delo
Oznake: elektronska mikroskopija;obdelava slik;elektrokataliza;nanodelci;
Vrstična presevna elektronska mikroskopija na identični lokaciji je metoda za karakterizacijo materialov, ki omogoča slikanje istih območij materiala pred in po nekem postopku. Uporaba te metode za opazovanje spreminjanja katalizatorjev za uporabo v vodikovih gorivnih celicah, ki so v obliki kovinsk ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Bringing into play automated electron microscopy data processing for understanding nanoparticulate electrocatalysts’ structure–property relationships
Ana Rebeka Kamšek, Francisco Ruiz-Zepeda, Andraž Pavlišič, Armin Hrnjić, Nejc Hodnik
Pregledni znanstveni članek
Oznake: kataliza;elektrokataliza;nanodelci;struktura snovi;kovina;identical location electron microscopy;image analysis;machine learning;electrocatalysis;metallic nanoparticles;
Bringing into play automated electron microscopy data processing for understanding nanoparticulate electrocatalysts’ structure–property relationships
Leto: 2022 Vir: Kemijski inštitut (KI)
Atomically-resolved structural changes of ceramic supported nanoparticulate oxygen evolution reaction Ir catalyst
Gorazd Koderman Podboršek, Ana Rebeka Kamšek, Anja Lončar, Marjan Bele, Luka Suhadolnik, Primož Jovanovič, Nejc Hodnik
Izvirni znanstveni članek
Oznake: materiali;keramika;nanodelci;IL-STEM;elektronska mikroskopija;
Atomically-resolved structural changes of ceramic supported nanoparticulate oxygen evolution reaction Ir catalyst
Leto: 2022 Vir: Kemijski inštitut (KI)
Time and potential-resolved comparison of copper disc and copper nanoparticles for electrocatalytic hydrogenation of furfural
Nik Maselj, Vasko Jovanovski, Francisco Ruiz-Zepeda, Matjaž Finšgar, Tamara Klemenčič, Jan Trputec, Ana Rebeka Kamšek, Marjan Bele, Nejc Hodnik, Primož Jovanovič
Izvirni znanstveni članek
Oznake: baker;nanodelci;elektrokataliza;copper;nanoparticles;electrocatalytic hydrogeneration;
Herein, a comparative analysis of two case example catalysts for electrocatalytic hydrogenation (ECH) of furfural under acidic conditions, namely a copper polycrystalline disc and copper nanoparticles dispersed on carbon support, is performed. To gain a detailed insight on ECH trends, a task-specifi ...
Leto: 2023 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Periodic anti-phase boundaries and crystal superstructures in PtCu [sub] 3 nanoparticles as fuel cell electrocatalysts
Ana Rebeka Kamšek, Anton Meden, Iztok Arčon, Primož Jovanovič, Martin Šala, Francisco Ruiz-Zepeda, Goran Dražić, Miran Gaberšček, Marjan Bele, Nejc Hodnik
Izvirni znanstveni članek
Oznake: elektrokemija;elektrokatalizatorji;nanodelci;kovinske zlitine;platina;ogljik;elektronska mikroskopija;simulacije;
Periodic anti-phase boundaries and crystal superstructures in PtCu [sub] 3 nanoparticles as fuel cell electrocatalysts
Leto: 2023 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Mechanistic study of fast performance decay of PtCu alloy-based catalyst layers for polymer electrolyte fuel cells through electrochemical impedance spectroscopy
Maximilian Grandi, Matija Gatalo, Ana Rebeka Kamšek, Gregor Kapun, Kurt Mayer, Francisco Ruiz-Zepeda, Martin Šala, Bernhard Marius, Marjan Bele, Nejc Hodnik, Merit Bodner, Miran Gaberšček, Viktor Hacker
Izvirni znanstveni članek
Oznake: materiali;kataliza;katalizatorji;platina;baker;elektrokemija;PEFC;catalyst layer;platinum–copper;degradation;ionomer;electrochemical impedance spectroscopy;membrane electrode assembly;
Leto: 2023 Vir: Kemijski inštitut (KI)
“Nano Lab” advanced characterization platform for studying electrocatalytic iridium nanoparticles dispersed on TiO [sub] xN [sub] y supports prepared on ti transmission electron microscopy grids
Marjan Bele, Gorazd Koderman Podboršek, Anja Lončar, Primož Jovanovič, Armin Hrnjić, Živa Marinko, Janez Kovač, Angela Šurca Vuk, Ana Rebeka Kamšek, Goran Dražić, Nejc Hodnik, Luka Suhadolnik
Izvirni znanstveni članek
Oznake: kataliza;elektrokatalizatorji;nanokompoziti;elektrokemija;Iridij;
Aiming at speeding up the discovery and understanding of promising electrocatalysts, a novel experimental platform, i.e., the Nano Lab, is introduced. It is based on state-of-the-art physicochemical characterization and atomic-scale tracking of individual synthesis steps as well as subsequent electr ...
Leto: 2023 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Metal–support interaction between titanium oxynitride and Pt nanoparticles enables efficient low-Pt-loaded high-performance electrodes at relevant oxygen reduction reaction current densities
Armin Hrnjić, Ana Rebeka Kamšek, Lazar Bijelić, Anja Lončar, Nik Maselj, Milutin Smiljanić, Jan Trputec, Natan Vovk, Luka Pavko, Francisco Ruiz-Zepeda, Marjan Bele, Primož Jovanovič, Nejc Hodnik
Izvirni znanstveni članek
Oznake: materiali;titan;reakcija redukcije kisika;ORR;
In the present work, we report on a synergistic relationship between platinum nanoparticles and a titanium oxynitride support (TiO$_x$N$_y$/C) in the context of oxygen reduction reaction (ORR) catalysis. As demonstrated herein, this composite configuration results in significantly improved electroca ...
Leto: 2024 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Iridium stabilizes ceramic titanium oxynitride support for oxygen evolution reaction
Gorazd Koderman Podboršek, Luka Suhadolnik, Anja Lončar, Marjan Bele, Armin Hrnjić, Živa Marinko, Janez Kovač, Anton Kokalj, Lea Gašparič, Angela Šurca Vuk, Ana Rebeka Kamšek, Goran Dražić, Miran Gaberšček, Nejc Hodnik, Primož Jovanovič
Izvirni znanstveni članek
Oznake: elektrokemija;elektrokataliza;nanodelci;iridij;kisik;
Decreasing iridium loading in the electrocatalyst presents a crucial challenge in the implementation of proton exchange membrane (PEM) electrolyzers. In this respect, fine dispersion of Ir on electrically conductive ceramic supports is a promising strategy. However, the supporting material needs to ...
Leto: 2022 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Št. zadetkov: 9
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