Properties of LiMnBO3 glasses and ...
Type de document :
Article dans une revue scientifique: Article original
URL permanente :
Titre :
Properties of LiMnBO3 glasses and nanostructured glass-ceramics
Auteur(s) :
Michalski, Przemyslaw P. [Auteur]
University of Warsaw [UW]
Golebiewska, Agata [Auteur]
University of Warsaw [UW]
Lafon, Olivier [Auteur]
Institut universitaire de France [IUF]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Pietrzak, Tomasz K. [Auteur]
University of Warsaw [UW]
Ryl, Jacek [Auteur]
Faculty of Chemistry [Univ Gdańsk]
Nowinski, Jan L. [Auteur]
University of Warsaw [UW]
Wasiucionek, Marek [Auteur]
University of Warsaw [UW]
Garbarczyk, Jerzy E. [Auteur]
University of Warsaw [UW]
University of Warsaw [UW]
Golebiewska, Agata [Auteur]
University of Warsaw [UW]
Lafon, Olivier [Auteur]
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Institut universitaire de France [IUF]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Pietrzak, Tomasz K. [Auteur]
University of Warsaw [UW]
Ryl, Jacek [Auteur]
Faculty of Chemistry [Univ Gdańsk]
Nowinski, Jan L. [Auteur]
University of Warsaw [UW]
Wasiucionek, Marek [Auteur]
University of Warsaw [UW]
Garbarczyk, Jerzy E. [Auteur]
University of Warsaw [UW]
Titre de la revue :
Solid State Ionics
Nom court de la revue :
Solid State Ion.
Numéro :
334
Pagination :
88-94
Éditeur :
Elsevier
Date de publication :
2019-06-01
ISSN :
0167-2738
Mot(s)-clé(s) en anglais :
Li2O-MnO-B2O3 glasses
Conductivity enhancement
Nanomaterials
NMR
Li-ion cathode materials
Thermal nanocrystallization
Conductivity enhancement
Nanomaterials
NMR
Li-ion cathode materials
Thermal nanocrystallization
Discipline(s) HAL :
Chimie/Catalyse
Résumé en anglais : [en]
Polycrystalline LiMnBO3 is a promising cathode material for Li-ion batteries. In this work, we investigated the thermal, structural and electrical properties of glassy and nanocrystallized materials having the same chemical ...
Lire la suite >Polycrystalline LiMnBO3 is a promising cathode material for Li-ion batteries. In this work, we investigated the thermal, structural and electrical properties of glassy and nanocrystallized materials having the same chemical composition. The original glass was obtained via a standard melt-quenching method. SEM and 7Li solid-state NMR indicate that it contains a mixture of two distinct glassy phases. The results suggest that the electrical conductivity of the glass is dominated by the ionic one. The dc conductivity of initial glass was estimated to be in the order of 10−18 S·cm−1 at room temperature. The thermal nanocrystallization of the glass produces a nanostructured glass-ceramics containing MnBO3 and LiMnBO3 phases. The electric conductivity of this glass-ceramics is increased by 6 orders of magnitude, compared to the starting material at room temperature. Compared to other manganese and borate containing glasses reported in the literature, the conductivity of the nanostructured glass ceramics is higher than that of the previously reported glassy materials. Such improved conductivity stems from the facilitated electronic transport along the grain boundaries.Lire moins >
Lire la suite >Polycrystalline LiMnBO3 is a promising cathode material for Li-ion batteries. In this work, we investigated the thermal, structural and electrical properties of glassy and nanocrystallized materials having the same chemical composition. The original glass was obtained via a standard melt-quenching method. SEM and 7Li solid-state NMR indicate that it contains a mixture of two distinct glassy phases. The results suggest that the electrical conductivity of the glass is dominated by the ionic one. The dc conductivity of initial glass was estimated to be in the order of 10−18 S·cm−1 at room temperature. The thermal nanocrystallization of the glass produces a nanostructured glass-ceramics containing MnBO3 and LiMnBO3 phases. The electric conductivity of this glass-ceramics is increased by 6 orders of magnitude, compared to the starting material at room temperature. Compared to other manganese and borate containing glasses reported in the literature, the conductivity of the nanostructured glass ceramics is higher than that of the previously reported glassy materials. Such improved conductivity stems from the facilitated electronic transport along the grain boundaries.Lire moins >
Langue :
Anglais
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
CNRS
Centrale Lille
ENSCL
Univ. Artois
Université de Lille
Centrale Lille
ENSCL
Univ. Artois
Université de Lille
Collections :
Équipe(s) de recherche :
RMN et matériaux inorganiques (RM2I)
Date de dépôt :
2022-03-02T07:13:50Z
2023-11-09T19:36:10Z
2023-11-29T16:16:44Z
2023-11-09T19:36:10Z
2023-11-29T16:16:44Z
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