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91.
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94.
Richard Wagner
Martin Gregor-Dellin, 2017

Najdeno v: osebi
Ključne besede: nemška glasba, nemški skladatelji, nemška opera, glasbena drama, glasbeno gledališče, odrska glasba, 19.st
Objavljeno: 02.03.2022; Ogledov: 450; Prenosov: 0
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95.
Characterization of electrochemical processes in metal-organic batteries by X-ray Raman spectroscopy
Martin Sundermann, Hlynur Gretarsson, Robert Dominko, Urban Košir, Jan Bitenc, Alen Vižintin, Marko Petric, Matjaž Žitnik, Klemen Bučar, Iztok Arčon, Ava Rajh, Matjaž Kavčič, 2022, izvirni znanstveni članek

Opis: X-ray Raman spectroscopy (XRS) is an emerging spectroscopic technique that utilizes inelastic scattering of hard Xrays to study X-ray absorption edges of low Z elements in bulk material. It was used to identify and quantify the amount of carbonyl bonds in a cathode sample, in order to track the redox reaction inside metal−organic batteries during the charge/ discharge cycle. XRS was used to record the oxygen K-edge absorption spectra of organic polymer cathodes from different multivalent metal−organic batteries. The amount of carbonyl bond in each sample was determined by modeling the oxygen K-edge XRS spectra with the linear combination of two reference compounds that mimicked the fully charged and the fully discharged phases of the battery. To interpret experimental XRS spectra, theoretical calculations of oxygen K-edge absorption spectra based on density functional theory were performed. Overall, a good agreement between the amount of carbonyl bond present during different stages of battery cycle, calculated from linear combination of standards, and the amount obtained from electrochemical characterization based on measured capacity was achieved. The electrochemical mechanism in all studied batteries was confirmed to be a reduction of double carbonyl bond and the intermediate anion was identified with the help of theoretical calculations. X-ray Raman spectroscopy of the oxygen K-edge was shown to be a viable characterization technique for accurate tracking of the redox reaction inside metal−organic batteries.
Najdeno v: osebi
Ključne besede: X-ray Raman spectroscopy, meta-organic batteries, oxygen K-edge XANES, electrochemical processes
Objavljeno: 24.03.2022; Ogledov: 492; Prenosov: 5
.pdf Polno besedilo (1,75 MB)
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96.
Proceedings of the 4th International Conference on Time and Matter, 4-8 March 2013, Venice, Italy
2013, zbornik strokovnih ali nerecenziranih znanstvenih prispevkov na konferenci

Najdeno v: osebi
Objavljeno: 15.04.2022; Ogledov: 243; Prenosov: 0

97.
Proceedings of the 3rd International Conference on Time and Matter, 4-8 October 2010, Budva, Montenegro
2011, zbornik strokovnih ali nerecenziranih znanstvenih prispevkov na konferenci

Najdeno v: osebi
Objavljeno: 19.04.2022; Ogledov: 245; Prenosov: 0
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98.
Proceedings of the 2nd International Conference on Time and Matter, 26-31 August 2007, Bled, Slovenia
2008, zbornik recenziranih znanstvenih prispevkov na mednarodni ali tuji konferenci

Najdeno v: osebi
Ključne besede: zborniki
Objavljeno: 25.04.2022; Ogledov: 275; Prenosov: 0

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