Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries

The effects of fluorine (F) doping on the phase, crystal structure, and electrochemical performance of Na(2)Ti(3)O(7) are studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), and electrochemical measurements. F-doping does not change the crystal structure of NTO, although it has a...

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Autores principales: Chen, Zehua, Lu, Liang, Gao, Yu, Zhang, Qixiang, Zhang, Chuanxiang, Sun, Chunwen, Chen, Xingying
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6266345/
https://www.ncbi.nlm.nih.gov/pubmed/30405040
http://dx.doi.org/10.3390/ma11112206
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author Chen, Zehua
Lu, Liang
Gao, Yu
Zhang, Qixiang
Zhang, Chuanxiang
Sun, Chunwen
Chen, Xingying
author_facet Chen, Zehua
Lu, Liang
Gao, Yu
Zhang, Qixiang
Zhang, Chuanxiang
Sun, Chunwen
Chen, Xingying
author_sort Chen, Zehua
collection PubMed
description The effects of fluorine (F) doping on the phase, crystal structure, and electrochemical performance of Na(2)Ti(3)O(7) are studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), and electrochemical measurements. F-doping does not change the crystal structure of NTO, although it has an effect on the morphology of the resultant product. As an anode material for sodium-ion batteries, the specific capacity of Na(2)Ti(3)O(7) exhibits a 30% increase with F-doping owing to the improved sodium ion diffusion coefficient. F-doped Na(2)Ti(3)O(7) also displays an enhanced rate capability and favourable cycling performance for more than 800 cycles.
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spelling pubmed-62663452018-12-17 Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries Chen, Zehua Lu, Liang Gao, Yu Zhang, Qixiang Zhang, Chuanxiang Sun, Chunwen Chen, Xingying Materials (Basel) Article The effects of fluorine (F) doping on the phase, crystal structure, and electrochemical performance of Na(2)Ti(3)O(7) are studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), and electrochemical measurements. F-doping does not change the crystal structure of NTO, although it has an effect on the morphology of the resultant product. As an anode material for sodium-ion batteries, the specific capacity of Na(2)Ti(3)O(7) exhibits a 30% increase with F-doping owing to the improved sodium ion diffusion coefficient. F-doped Na(2)Ti(3)O(7) also displays an enhanced rate capability and favourable cycling performance for more than 800 cycles. MDPI 2018-11-07 /pmc/articles/PMC6266345/ /pubmed/30405040 http://dx.doi.org/10.3390/ma11112206 Text en © 2018 by the authors. 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 (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chen, Zehua
Lu, Liang
Gao, Yu
Zhang, Qixiang
Zhang, Chuanxiang
Sun, Chunwen
Chen, Xingying
Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title_full Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title_fullStr Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title_full_unstemmed Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title_short Effects of F-Doping on the Electrochemical Performance of Na(2)Ti(3)O(7) as an Anode for Sodium-Ion Batteries
title_sort effects of f-doping on the electrochemical performance of na(2)ti(3)o(7) as an anode for sodium-ion batteries
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6266345/
https://www.ncbi.nlm.nih.gov/pubmed/30405040
http://dx.doi.org/10.3390/ma11112206
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