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Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries

In this study, 20Li(2)O-60V(2)O(5)-(20 − x)B(2)O(3)-xBi(2)O(3) (x = 5, 7.5, 10 mol%) glass materials have been prepared by the melt-quenching method, and the structure and morphology of the glass materials have been characterized by XRD, FTIR, Raman, and FE-SEM. The results show that the disordered...

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Autores principales: Chen, Yuan, Zhao, Yufei, Liu, Feihong, Ding, Mengdie, Wang, Juan, Jiang, Jiuxin, Boulet, Pascal, Record, Marie-Christine
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9822462/
https://www.ncbi.nlm.nih.gov/pubmed/36615423
http://dx.doi.org/10.3390/molecules28010229
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author Chen, Yuan
Zhao, Yufei
Liu, Feihong
Ding, Mengdie
Wang, Juan
Jiang, Jiuxin
Boulet, Pascal
Record, Marie-Christine
author_facet Chen, Yuan
Zhao, Yufei
Liu, Feihong
Ding, Mengdie
Wang, Juan
Jiang, Jiuxin
Boulet, Pascal
Record, Marie-Christine
author_sort Chen, Yuan
collection PubMed
description In this study, 20Li(2)O-60V(2)O(5)-(20 − x)B(2)O(3)-xBi(2)O(3) (x = 5, 7.5, 10 mol%) glass materials have been prepared by the melt-quenching method, and the structure and morphology of the glass materials have been characterized by XRD, FTIR, Raman, and FE-SEM. The results show that the disordered network of the glass is mainly composed of structural motifs, such as VO(4), BO(3), BiO(3,) and BiO(6). The electrochemical properties of the glass cathode material have been investigated by the galvanostatic charge-discharge method and cyclic voltammetry, and the results show that with the increases of Bi(2)O(3) molar content, the amount of the VO(4) group increases, and the network structure of the glass becomes more stable. To further enhance the electrochemical properties, glass-ceramic materials have been obtained by heat treatment, and the effect of the heat treatment temperature on the structure and electrochemical properties of the glass has been studied. The results show that the initial discharge capacity of the glass-ceramic cathode obtained by heat treatment at 280 °C at a current density of 50 mA·g(−1) is 333.4 mAh·g(−1). In addition, after several cycles of charging and discharging at a high current density of 1000 mA·g(−1) and then 10 cycles at 50 mA·g(−1), its discharge capacity remains at approximately 300 mAh·g(−1) with a capacity retention rate of approximately 90.0%. The results indicate that a proper heat treatment temperature is crucial to improving the electrochemical properties of glass materials. This study provides an approach for the development of new glass cathode materials for lithium-ion batteries.
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spelling pubmed-98224622023-01-07 Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries Chen, Yuan Zhao, Yufei Liu, Feihong Ding, Mengdie Wang, Juan Jiang, Jiuxin Boulet, Pascal Record, Marie-Christine Molecules Article In this study, 20Li(2)O-60V(2)O(5)-(20 − x)B(2)O(3)-xBi(2)O(3) (x = 5, 7.5, 10 mol%) glass materials have been prepared by the melt-quenching method, and the structure and morphology of the glass materials have been characterized by XRD, FTIR, Raman, and FE-SEM. The results show that the disordered network of the glass is mainly composed of structural motifs, such as VO(4), BO(3), BiO(3,) and BiO(6). The electrochemical properties of the glass cathode material have been investigated by the galvanostatic charge-discharge method and cyclic voltammetry, and the results show that with the increases of Bi(2)O(3) molar content, the amount of the VO(4) group increases, and the network structure of the glass becomes more stable. To further enhance the electrochemical properties, glass-ceramic materials have been obtained by heat treatment, and the effect of the heat treatment temperature on the structure and electrochemical properties of the glass has been studied. The results show that the initial discharge capacity of the glass-ceramic cathode obtained by heat treatment at 280 °C at a current density of 50 mA·g(−1) is 333.4 mAh·g(−1). In addition, after several cycles of charging and discharging at a high current density of 1000 mA·g(−1) and then 10 cycles at 50 mA·g(−1), its discharge capacity remains at approximately 300 mAh·g(−1) with a capacity retention rate of approximately 90.0%. The results indicate that a proper heat treatment temperature is crucial to improving the electrochemical properties of glass materials. This study provides an approach for the development of new glass cathode materials for lithium-ion batteries. MDPI 2022-12-27 /pmc/articles/PMC9822462/ /pubmed/36615423 http://dx.doi.org/10.3390/molecules28010229 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chen, Yuan
Zhao, Yufei
Liu, Feihong
Ding, Mengdie
Wang, Juan
Jiang, Jiuxin
Boulet, Pascal
Record, Marie-Christine
Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title_full Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title_fullStr Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title_full_unstemmed Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title_short Structural and Electrochemical Properties of Li(2)O-V(2)O(5)-B(2)O(3)-Bi(2)O(3) Glass and Glass-Ceramic Cathodes for Lithium-Ion Batteries
title_sort structural and electrochemical properties of li(2)o-v(2)o(5)-b(2)o(3)-bi(2)o(3) glass and glass-ceramic cathodes for lithium-ion batteries
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9822462/
https://www.ncbi.nlm.nih.gov/pubmed/36615423
http://dx.doi.org/10.3390/molecules28010229
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