A detailed characterisation study of Li6PS5Cl ionic conductors from several synthetic routes
| Autor: | Mohamed Chakir, Xavier Randrema, Mathieu Morcrette, Cédric Barcha, Virginie Viallet |
|---|---|
| Přispěvatelé: | Laboratoire réactivité et chimie des solides - UMR CNRS 7314 (LRCS), Université de Picardie Jules Verne (UPJV)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Réseau sur le stockage électrochimique de l'énergie (RS2E), Université de Nantes (UN)-Aix Marseille Université (AMU)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Collège de France (CdF (institution))-Université de Picardie Jules Verne (UPJV)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Université Grenoble Alpes (UGA), Advanced Lithium Energy Storage Systems - ALISTORE-ERI (ALISTORE-ERI), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Chimie des Matériaux Solides, Faculté des Sciences Ben M'sik [Casablanca], Université Hassan II [Casablanca] (UH2MC)-Université Hassan II [Casablanca] (UH2MC) |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Argyrodite Ionic bonding [CHIM.MATE]Chemical Sciences/Material chemistry 02 engineering and technology General Chemistry Electrolyte engineering.material 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Microstructure 01 natural sciences 0104 chemical sciences Dielectric spectroscopy Chemical engineering Impurity engineering Ionic conductivity General Materials Science Crystallite 0210 nano-technology |
| Zdroj: | Solid State Sciences Solid State Sciences, 2021, 118, ⟨10.1016/j.solidstatesciences.2021.106681⟩ |
| ISSN: | 1293-2558 |
| DOI: | 10.1016/j.solidstatesciences.2021.106681 |
| Popis: | International audience; Studies of argyrodite Li6PS5Cl as solid electrolyte are increasing, motivated by its high ionic conductivity and its easy processability. However, development of All-Solid-State-Batteries lies on the ability to produce such compound with a good purity. This work presents the characterization results of different argyrodite grades: commercial and homemade one. In parallel, synthesis of Li6PS5Cl from Li4P2S7 precursor is reported for the first time. The purity effect on these properties will be explored by using X-ray diffraction coupled with Raman spectroscopy and electrochemical impedance spectroscopy techniques. Crystal properties investigations will be particularly conducted, given that smaller crystallite sizes would lead to an enhanced ionic percolation network by increasing the microstructure homogeneity in catholyte. Such SE could be obtained only by avoiding a post synthesis annealing treatment. Finally, electrochemical properties of the different reported grades will also be discussed in this study. We demonstrate here 1. the beneficial effect of Li4P2S7 to obtain a pure sulfur-based solid electrolyte with nanometric crystallites without solid state synthesis and 2. the impact of impurities on its ionics and electrochemical properties. |
| Databáze: | OpenAIRE |
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