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Probing a battery e...
Probing a battery electrolyte drop with ambient pressure photoelectron spectroscopy
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- Maibach, Julia (författare)
- Uppsala University,Uppsala universitet,Strukturkemi,Karlsruhe Inst Technol, Inst Appl Mat, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany,Karlsruhe Institute of Technology
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- Källquist, Ida (författare)
- Uppsala University,Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Andersson, Margit (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Max Iv Lab, Box 118, S-22100 Lund, Sweden
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visa fler...
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- Urpelainen, Samuli (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Max Iv Lab, Box 118, S-22100 Lund, Sweden
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- Edström, Kristina, Professor, 1958- (författare)
- Uppsala University,Uppsala universitet,Strukturkemi
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- Rensmo, Håkan (författare)
- Uppsala University,Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Siegbahn, Hans (författare)
- Uppsala University,Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Hahlin, Maria (författare)
- Uppsala University,Uppsala universitet,Molekyl- och kondenserade materiens fysik
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(creator_code:org_t)
- 2019-07-12
- 2019
- Engelska.
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Ingår i: Nature Communications. - : NATURE PUBLISHING GROUP. - 2041-1723. ; 10
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Abstract
Ämnesord
Stäng
- Operando ambient pressure photoelectron spectroscopy in realistic battery environments is a key development towards probing the functionality of the electrode/electrolyte interface in lithium-ion batteries that is not possible with conventional photoelectron spectroscopy. Here, we present the ambient pressure photoelectron spectroscopy characterization of a model electrolyte based on 1M bis(trifluoromethane)sulfonimide lithium salt in propylene carbonate. For the first time, we show ambient pressure photoelectron spectroscopy data of propylene carbonate in the liquid phase by using solvent vapor as the stabilizing environment. This enables us to separate effects from salt and solvent, and to characterize changes in electrolyte composition as a function of probing depth. While the bulk electrolyte meets the expected composition, clear accumulation of ionic species is found at the electrolyte surface. Our results show that it is possible to measure directly complex liquids such as battery electrolytes, which is an important accomplishment towards true operando studies.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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