Výsledky vyhledávání - "Andrea Strakova Fedorkova"

Akademický článek

Investigation of polypyrrole based composite material for lithium sulfur batteries

Autor: Veronika Niščáková, Alexandra Gubóová, Ondrej Petruš, Haojie Fei, Miroslav Almáši, Andrea Straková Fedorková

Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)

Abstract With the rising demand for electricity storage devices, the performance requirements for such equipment have become increasingly stringent. Lithium-sulfur (Li-S) batteries are poised to be among the next generation of energy storage systems.

Externí odkaz: https://doaj.org/article/30754bf8946f434baf7e8bd1eaf46708

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Akademický článek

Electrochemical Characterization of High-Performance Sulfur Composites as Cathodes for Li-S Batteries with Application in Automotive Industry

Autor: Andrea Strakova Fedorkova, Katarina Gavalierova, Dominika Capkova, Tomas Kazda

Publikováno v: Communications, Vol 20, Iss 1, Pp 82-85 (2018)

Lithium-sulfur batteries are based on principle of conversion and their properties are very promising for their high theoretical energy density and low cost. However, current electrodes and materials used in Li-S batteries suffer from irreversible el

Externí odkaz: https://doaj.org/article/26ba0eb970cf4e9396c1d6e93c6ba08c

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Analysis of 3.4 Ah lithium-sulfur pouch cells by electrochemical impedance spectroscopy

Autor: Dominika Capkova, Vaclav Knap, Andrea Strakova Fedorkova, Daniel-Ioan Stroe

Publikováno v: Capkova, D, Knap, V, Strakova Fedorkova, A & Stroe, D-I 2022, ' Analysis of 3.4 Ah lithium-sulfur pouch cells by electrochemical impedance spectroscopy ', Journal of Energy Chemistry, vol. 72, pp. 318-325 . https://doi.org/10.1016/j.jechem.2022.05.026

Despite great progress in lithium-sulfur (Li-S) batteries, the electrochemical reactions in the cell are not yet fully understood. Electrode processes, complex interfaces and internal resistance may be characterized by electrochemical impedance spect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ae3497f91d15596c392daac77b5dae2
https://doi.org/10.1016/j.jechem.2022.05.026

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Melanin’s Semiconductor Nature and His Polymer Structure Successfully Modifies Sulfur Cathode and Increases Efficiency on Li-S Batteries

Autor: Yuliya Polishchuk, Elena Shembel, Volodymyr Kyrychenko, Andrea Strakova Fedorkova, Volodymyr Redko, Boris Blyuss, Oleg Girin

Publikováno v: ECS Transactions. 105:209-217

Dynamics of change in impedance spectra and electrochemical parameters of the Li-S rechargeable batteries with non-aqueous liquid electrolyte 0.7 M LiIm, 0.25 M LiNO3, DME: DOL (2:1) during storage after assembly and cycling have been shown. For modi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb4ed846ec63edd348172972f535eca2
https://doi.org/10.1149/10501.0209ecst

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Graphene's Correlation of Electrical and Magnetic Properties Manages the Modification and Increasing the Energy of Li Batteries

Autor: Serhii Dubinevych, Viacheslav Zinin, Volodymyr Redko, Boris A Blyuss, Elena Shembel, Nellya Zaderey, Yuliya Polishchuk, Alexander Markevych, Andrea Strakova Fedorkova, Maksym Tkach

Publikováno v: ECS Transactions. 105:247-258

Importance of lithium power sources is confirmed by the fact that on October 10, 2019, the Nobel Prize in Chemistry in 2019 was awarded for the development of lithium-ion batteries. 10 years earlier, in 2010,physicists Andre Geim and Kostya Novoselov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b89b151bcc8482f186f4dc1782b3894
https://doi.org/10.1149/10501.0247ecst

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Pyrite as a Low-Cost Additive in Sulfur Cathode Material for Stable Cycle Performance

Autor: Dominika Capkova, Tomas Kazda, Ondrej Petruš, Ján Macko, Kamil Jasso, A. Baskevich, Elena Shembel, Andrea Strakova Fedorkova

Publikováno v: ECS Transactions. 105:191-198

Various materials have been reported as an efficient host for sulfur to suppress large volume variation and polysulfide shuttle in lithium-sulfur batteries. Carbon materials are widely used as a matrix for sulfur to improve cycle performance and conf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8b84cfadd821c2b10ebf363eecfe5f8
https://doi.org/10.1149/10501.0191ecst

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Enhanced Performance of LiFePO4 Cathodes Protected By Atomic Layer Deposited Ultrathin Alumina Films

Autor: Prangya P. Sahoo, Martin Kemeny, Boris Hudec, Miroslav Mikolasek, Matej Mičušík, Peter Siffalovic, Andrea Strakova Fedorkova, Karol Frohlich

Publikováno v: ECS Meeting Abstracts. :306-306

The LiFePO4 (LFP) cathode has a theoretical specific capacity of 170 mAh/g. This material is stable, safe, and environmentally benign. Li-ion batteries with LFP cathodes have a long cycle life with excellent charging/discharging performance. In our c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0380b5a2f61f43b2f1675b1e4be080bc
https://doi.org/10.1149/ma2022-023306mtgabs

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Akademický článek

Sr(II) and Ba(II) Alkaline Earth Metal–Organic Frameworks (AE-MOFs) for Selective Gas Adsorption, Energy Storage, and Environmental Application

Autor: Nikolas Király, Dominika Capková, Róbert Gyepes, Nikola Vargová, Tomáš Kazda, Jozef Bednarčík, Daria Yudina, Tomáš Zelenka, Pavel Čudek, Vladimír Zeleňák, Anshu Sharma, Vera Meynen, Virginie Hornebecq, Andrea Straková Fedorková, Miroslav Almáši

Publikováno v: Nanomaterials, Vol 13, Iss 2, p 234 (2023)

Two new alkaline earth metal–organic frameworks (AE-MOFs) containing Sr(II) (UPJS-15) or Ba(II) (UPJS-16) cations and extended tetrahedral linker (MTA) were synthesized and characterized in detail (UPJS stands for University of Pavol Jozef Safarik)

Externí odkaz: https://doaj.org/article/d5910e54e0464ebc98ef8419f1885d8f

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