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Titania Containing Cathodes for Lithium-Sulfur Batteries: Case Studies by Electrochemical Impedance Spectroscopy
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SYSNO ASEP 0549137 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Titania Containing Cathodes for Lithium-Sulfur Batteries: Case Studies by Electrochemical Impedance Spectroscopy Author(s) Kavan, Ladislav (UFCH-W) RID, ORCID
Vinarčíková, Monika (UFCH-W)
Zlámalová, Magda (UFCH-W) RID, ORCID, SAI
Zukalová, Markéta (UFCH-W) RID, SAI, ORCIDSource Title ECS Transaction, Volume 105. - Pennington : IOPscience, 2021 - ISSN 1938-6737 Pages s. 169-176 Number of pages 8 s. Publication form Print - P Action International Conference Advanced Batteries, Accumulators and Fuel Cells /22./ Event date 22.08.2021 - 25.08.2021 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country US - United States Keywords Electrochemical impedance spectroscopy ; Lithium-Sulfur Batteries ; Titanium dioxide Subject RIV CG - Electrochemistry OECD category Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis) R&D Projects GA20-03564S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support UFCH-W - RVO:61388955 EID SCOPUS 85122435865 DOI 10.1149/10501.0169ecst Annotation Electrochemical impedance spectroscopy is used to study novel cathode materials for lithium-sulfur batteries, based on commercial carbon and titania. Coin cells with Li anode are investigated at various stages of galvanostatic cycling. For comparison, also symmetrical coin cells with a pair of positive (S/C/TiO 2 ) or negative (Li) electrodes are studied. In addition to the application of titania as a barrier material impeding the polysulfide diffusion in the electrolyte solution, the inherent Li-insertion activity of TiO 2 (anatase) and its contribution to the sulfur redox reactions is discussed. © 2021 ECS - The Electrochemical Society. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2022 Electronic address http://hdl.handle.net/11104/0325154
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