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  In Situ XPS Studies of Solid Electrolyte Electroreduction Through Graphene Electrode

Inozemtseva, A. I., Vizgalov, V. A., Kapitanova, O. O., Panin, G., Velasco Vélez, J., Itkis, D. M., et al. (2020). In Situ XPS Studies of Solid Electrolyte Electroreduction Through Graphene Electrode. Journal of the Electrochemical Society, 167(11): 110533. doi:10.1149/1945-7111/aba370.

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Inozemtseva, Alina I.1, 2, Autor
Vizgalov, Victor A.1, 3, Autor
Kapitanova, Olesya O.1, 3, Autor
Panin, Gennady2, 4, Autor
Velasco Vélez, Juan5, Autor           
Itkis, Daniil M.1, 6, Autor
Usachov, Dimitry Yu.7, Autor
Yashina, Lada V.1, 6, Autor
Affiliations:
1Lomonosov Moscow State University, 119991 Moscow, Russia, ou_persistent22              
2Quantum-Functional Semiconductor Research Center, Nano Information Technology Academy, Dongguk University, Seoul 100-715, Republic of Korea, ou_persistent22              
3Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia, ou_persistent22              
4Institute of Microelectronics Technology and High-Purity Materials, RAS, Chernogolovka, Moscow distr. 142432, Russia, ou_persistent22              
5Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
6Semenov Federal research center for chemical physics, 119991 Moscow, Russia, ou_persistent22              
7Saint Petersburg State University, Department of Physics, Saint Petersburg 199034, Russia, ou_persistent22              

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 Zusammenfassung: The current interest in research and development of solid electrolytes for battery systems dictates a necessity to evaluate their electrochemical stability in a wide potential range. It is supposed that the stability and properties of the interface formed between the electrode and solid electrolyte at the applied potential (the analog of solid electrolyte interphase (SEI) in liquid electrolytes) are of great importance for the battery operation. While the electrochemical techniques can provide the knowledge of a stability window of the solid electrolyte, a direct method, which helps to trace chemical changes, is still missing, due to the difficulty to reach the interface between the solid electrolyte and thick electrode material. In this paper, we propose to use two-layer graphene transferred directly on the solid electrolyte as the electrode transparent for photoelectrons. Such an electrode is thin enough to probe the interface by X-ray photoelectron spectroscopy to trace the occurring chemical changes. To demonstrate this possibility, we have investigated the electrochemical reduction of Li1.5Al0.5Ge1.5(PO4)3 (LAGP) glass-ceramic electrolyte by in situ XPS.

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Sprache(n): eng - English
 Datum: 2020-06-302020-05-212020-07-072020-07-17
 Publikationsstatus: Erschienen
 Seiten: 6
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1149/1945-7111/aba370
 Art des Abschluß: -

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Titel: Journal of the Electrochemical Society
  Kurztitel : J. Electrochem. Soc.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: New York, NY, USA : Electrochemical Society
Seiten: 6 Band / Heft: 167 (11) Artikelnummer: 110533 Start- / Endseite: - Identifikator: ISSN: 0013-4651
CoNE: https://pure.mpg.de/cone/journals/resource/991042748197686