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Fluorine-Substitute...
Fluorine-Substituted Halide Solid Electrolytes with Enhanced Stability toward the Lithium Metal
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- Ganesan, Priya (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Soans, Mervyn (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Cambaz, Musa Ali (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Zimmermanns, Ramon (författare)
- Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Gond, Ritambhara (författare)
- Uppsala universitet,Strukturkemi
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- Fuchs, Stefan (författare)
- Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Hu, Yang (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Baumgart, Sebastian (författare)
- Ulm Univ, Inst Theoret Chem, D-89081 Ulm, Germany.
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- Sotoudeh, Mohsen (författare)
- Ulm Univ, Inst Theoret Chem, D-89081 Ulm, Germany.
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- Stepien, Dominik (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Stein, Helge (författare)
- Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Gross, Axel (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Ulm Univ, Inst Theoret Chem, D-89081 Ulm, Germany.
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- Bresser, Dominic (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Varzi, Alberto (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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- Fichtner, Maximilian (författare)
- Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany.;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany.
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Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany;Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany. Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany. (creator_code:org_t)
- American Chemical Society (ACS), 2023
- 2023
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 15:32, s. 38391-38402
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The high ionic conductivityand good oxidation stability of halide-basedsolid electrolytes evoke strong interest in this class of materials.Nonetheless, the superior oxidative stability compared to sulfidescomes at the expense of limited stability toward reduction and instabilityagainst metallic lithium anodes, which hinders their practical use.In this context, the gradual fluorination of Li2ZrCl6-x F x (0 & LE; x & LE; 1.2) is proposed to enhance thestability toward lithium-metal anodes. The mechanochemically synthesizedfluorine-substituted compounds show the expected distorted local structure(M2-M3 site disorder) and significant change in the overallLi-ion migration barrier. Theoretical calculations reveal an approximateminimum energy path for Li2ZrCl6-x F x (x = 0 and0.5) with an increase in the Li+ migration energy barrierfor Li2ZrCl5.5F0.5 in comparisonto Li2ZrCl6. However, it is found that the fluorine-substitutedcompound exhibits substantially lower polarization after 800 h oflithium stripping and plating owing to enhanced interfacial stabilityagainst the lithium metal, as revealed by density functional theoryand ex situ X-ray photoelectron spectroscopy, thanks to the formationof a fluorine-rich passivating interphase.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- solid electrolyte
- fluorine substitution
- Li2ZrCl6
- lithium metal
- battery
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Ganesan, Priya
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Soans, Mervyn
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Cambaz, Musa Ali
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Zimmermanns, Ram ...
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Gond, Ritambhara
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Fuchs, Stefan
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visa fler...
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Hu, Yang
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Baumgart, Sebast ...
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Sotoudeh, Mohsen
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Stepien, Dominik
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Stein, Helge
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Gross, Axel
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Bresser, Dominic
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Varzi, Alberto
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Fichtner, Maximi ...
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