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Title:Operando characterization of batteries using x-ray absorption spectroscopy: advances at the beamline XAFS at synchrotron Elettra
Authors:ID Aquilanti, Giuliana, Elettra Sincrotrone Trieste (Author)
ID Giorgetti, marco, University of Bologna (Author)
ID Dominko, Robert, Kemijski inštitut, Ljubljana (Author)
ID Stievano, Lorenzo, Université Montpellier (Author)
ID Arčon, Iztok, Univerza v Novi Gorici (Author)
ID Novello, Nicola, Elettra Sincrotrone Trieste (Author)
ID Ivanc Olivieri, Luca, Elettra Sincrotrone Trieste (Author)
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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract: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 batteries, and to shed light on the redox chemistry and changes in structure during galvanostatic cycling to design cathode materials with improved properties. Operando XAS studies have been performed at beamline XAFS at Elettra on different systems. For Li-ion batteries, a multiedge approach revealed the role of the different cathode components during the charge and discharge of the battery. In addition, Li-S batteries for automotive applications were studied. Operando sulfur K-edge XANES and EXAFS analysis was used to characterize the redox chemistry of sulfur, and to relate the electrochemical mechanism to its local structure.
Keywords:operando studies, x-ray absorption spectroscopy, Li-ion batteries, Li-S batteries
Publication version:Version of Record
Year of publishing:2017
Number of pages:12
Numbering:50
PID:20.500.12556/RUNG-3002-eb602bbf-1d94-2f7d-00ce-a5869254300f New window
COBISS.SI-ID:4706299 New window
DOI:doi:10.1088/1361-6463/aa519a New window
NUK URN:URN:SI:UNG:REP:GKFW78J2
Publication date in RUNG:03.03.2017
Views:6075
Downloads:0
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Record is a part of a journal

Title:Journal of Physics D: Applied Physics
Shortened title:J. Phys. D: Appl. Phys.
Publisher:IOP Publishing: Hybrid Open Access
Year of publishing:2017
ISSN:0022-3727

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