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Št. zadetkov: 8
In-situ XAS study of catalytic N[sub]2O decomposition over CuO/CeO[sub]2 catalysts
Maxim Zabilsky, Iztok Arčon, Petar Djinović, Elena Tchernychova, Albin Pintar
Izvirni znanstveni članek
Oznake: in-situ XAS;Cu EXAFS;CuO/CeO2 nanorod catalys;N2O decomposition;
We performed in‐situ XAS study of N 2 O decomposition over CuO/CeO 2 catalysts. The Cu K‐edge and Ce L 3 ‐edge XANES and EXAFS analyses revealed the dynamic and crucial role of Cu 2+ /Cu + and Ce 4+ /Ce 3+ ionic pairs during the catalytic reaction. We observed the initial formation of reduced Cu + a ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Magnesium insertion and related structural changes in spinel-type manganese oxides
Ana Robba, Elena Tchernychova, Jan Bitenc, Anna Randon-Vitanova, Robert Dominko
Izvirni znanstveni članek
Oznake: spinel;mangan;litij;magnezij;TEM;elektrokemija;manganese;lithium;magnesium;electrochemistry;
Commercial LiMn$_2$O$_4$ powder was used as the base material for probing magnesiation, cycling behavior, and structural stability/changes in (Mg$_x$Li$_{1-x}$)Mn$_2$O$_4$ spinel cathodes in aqueous Mg(NO$_3$)$_2$ and non-aqueous Mg(TFSI)$_2$/diglyme and Mg(Mg(HFIP)$_2$ − 2Al(HFIP)$_3$/diglyme elect ...
Leto: 2021 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Influence of the cell casing on the impedance of the lithium metal electrode
Sara Drvarič Talian, Jože Moškon, Elena Tchernychova, Robert Dominko, Miran Gaberšček
Izvirni znanstveni članek
Oznake: elektrokemija;elektrode;litij;kovine;
Leto: 2023 Vir: Kemijski inštitut (KI)
Enhanced performance of lithium metal batteries via cyclic fluorinated ether based electrolytes
Hafiz Ahmad Ishfaq, Carolina Cruz Cardona, Elena Tchernychova, Patrik Johansson, Robert Dominko, Sara Drvarič Talian
Izvirni znanstveni članek
Oznake: elektrokemija;akumulatorji;baterije;elektroliti;fluoridi;
Leto: 2024 Vir: Kemijski inštitut (KI)
The mechanism of Li[sub]2S activation in lithium-sulfur batteries
Alen Vižintin, Laurent Chabanne, Elena Tchernychova, Iztok Arčon, Lorenzo Stievano, Giuliana Aquilanti, Markus Antonietti, Tim-Patrick Fellinger, Robert Dominko
Izvirni znanstveni članek
Oznake: Lithium-sulfur batteries;Li2S active material;XAS;UV/Vis spectroscopy;activation;
Electrochemical reactions in the LieS batteries are considered as a multistep reaction process with at least 2e3 equilibrium states. Here we report a possibility of having a conversion of Li2S into sulfur without detectible formation of polysulfides. That was confirmed by using a novel material sy ...
Leto: 2017 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Ceramic synthesis of disordered lithium rich oxyfluoride materials
Jean-Marcel Ateba Mba, Iztok Arčon, Gregor Mali, Elena Tchernychova, Ralf Witte, Robert Kruk, Miran Gaberšček, Robert Dominko
Izvirni znanstveni članek
Oznake: lithium batteries;face centered-cubic;oxyfluoride;li-rich;disorder;
Disordered lithium-rich transition metal oxyfluorides with a general formula Li1þxMO2Fx (M being a transition metal) are gaining more attention due to their high specific capacity which can be delivered from the facecentered cubic (fcc) structure. The most common synthesis procedure involves use o ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Effects of a mixed O/F ligand in the Tavorite-type LiVPO[sub]4O structure
Sorour Semsari Parapari, Jean-Marcel Ateba Mba, Elena Tchernychova, Gregor Mali, Iztok Arčon, Gregor Kapun, Mehmet Ali Gülgün, Robert Dominko
Izvirni znanstveni članek
Oznake: XRD;SEM;V XANES;Tavorite-type;electrochemical properties;
We report the synthesis and detailed structural and chemical characterization including electrochemical properties of a lithium vanadium oxy/fluoro-phosphate material. To the best of our knowledge, we have for the first time synthesized a LiVPO4O-type phase with a mixed O/F ligand. In the synth ...
Leto: 2020 Vir: Kemijski inštitut (KI)
Correlating structural properties with electrochemical behavior of non-graphitizable carbons in Na-ion batteries
Blaž Tratnik, Nigel Willy Van de Velde, Ivan Jerman, Gregor Kapun, Elena Tchernychova, Matija Tomšič, Andrej Jamnik, Boštjan Genorio, Alen Vižintin, Robert Dominko
Izvirni znanstveni članek
Oznake: elektrokemija;testiranje;ogljik;elektroliti;
We report on a detailed structural versus electrochemical property investigation of the corncob-derived non-graphitizable carbons prepared at different carbonization temperatures using a combination of structural characterization methodology unique to this field. Non-graphitizable carbons are curren ...
Leto: 2022 Vir: Kemijski inštitut (KI)
Št. zadetkov: 8
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