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Št. zadetkov: 6
Operando characterization of batteries using x-ray absorption spectroscopy
Giuliana Aquilanti, Marco Giorgetti, Robert Dominko, Lorenzo Stievano, Iztok Arčon, Nicola Novello, Luca Olivi
Izvirni znanstveni članek
Oznake: operando studies;x-ray absorption spectroscopy;Li-ion batteries;Li-S batteries;
X-ray absorption spectroscopy is a synchrotron radiation based technique that is able to provide information on both local structure and electronic properties in a chemically selective manner. It can be used to characterize the dynamic processes that govern the electrochemical energy storage in b ...
Leto: 2017 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Sn-modified TiO[sub]2 thin film photocatalysts prepared by low-temperature sol-gel processing
Ksenija Maver, Iztok Arčon, Urška Lavrenčič Štangar, Nataša Novak Tušar, Giovanni Palmisano, Lorenzo Stievano
Doktorska disertacija
Oznake: Sn-modified TiO2;SnO2-modified TiO2;low-temperature sol-gel;thin films;photocatalytic activity;anatase/rutile system;Sn K-edge EXAFS;dissertations;
Due to many advantageous physiochemical properties, titanium dioxide (TiO2) is the most widely used photocatalyst in numerous applications, such as wastewater treatment and air purification, self-cleaning surfaces and energy conversion (H2 generation). However, one of its disadvantages is the high e ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
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)
Polysulfides formation in different electrolytes from the perspective of X-ray absorption spectroscopy
Robert Dominko, Alen Vižintin, Giuliana Aquilanti, Lorenzo Stievano, Maria Joseph Helen, Anji Reddy Munnangi, Maximilian Fichtner, Iztok Arčon
Izvirni znanstveni članek
Oznake: struktura snovi;spektroskopija;elektroliti;
Li-S batteries are promising energy storage technology for the future, however there two major problems remained which need to be solved before successful commercialization. Capacity fading due to polysulfide shuttle and corrosion of lithium metal are directly connected with the type and quantity ...
Leto: 2018 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Advanced electrolytes for calcium batteries
Antonio Scafuri, Klemen Pirnat, Robert Dominko, Boštjan Genorio, Janez Cerkovnik, Lorenzo Stievano, Olivier Fontaine, Patrik Johansson, Alexandre Ponrouch, Bouchet Renaud
Doktorska disertacija
Oznake: elektrokemija;Li-ion akumulatorji;shranjevanje energije;kalcij;
Today, Li-ion batteries are the ultimate rechargeable energy storage systems; however, after decades of improvements, the technology might reach its energy-density limits. Ca batteries represent a promising electrochemical systems alternative to Li-ion one. The abundance of Ca, its low redox potenti ...
Leto: 2021 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Spectroscopic insights into the electrochemical mechanism of rechargeable calcium/sulfur batteries
Antonio Scafuri, Romain Berthelot, Klemen Pirnat, Alen Vižintin, Jan Bitenc, Giuliana Aquilanti, Dominique Foix, Rémi Dedryvère, Iztok Arčon, Robert Dominko, Lorenzo Stievano
Izvirni znanstveni članek
Oznake: elektrokemija;baterije;spektroskopija;žveplo;
Calcium batteries represent a promising alternative to lithium metal systems. The combination of the low redox potential and low cost and the energy-dense calcium anode (2073 mAh/cm3, similar to 2044 mAh/cm3 for Li) with appropriate low-cost cathode materials such as sulfur could produce a game-chan ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 6
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