Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries
Elemental doping for substituting lithium or oxygen sites has become a simple and effective technique to improve the electrochemical performance of layered cathode materials. Compared with single-element doping, this work presents an unprecedented contribution to the study of the effect of Na(+)/F(−...
Autores principales: | , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9223843/ https://www.ncbi.nlm.nih.gov/pubmed/35743197 http://dx.doi.org/10.3390/ijms23126755 |
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author | Wang, Hua Hashem, Ahmed M. Abdel-Ghany, Ashraf E. Abbas, Somia M. El-Tawil, Rasha S. Li, Tianyi Li, Xintong El-Mounayri, Hazim Tovar, Andres Zhu, Likun Mauger, Alain Julien, Christian M. |
author_facet | Wang, Hua Hashem, Ahmed M. Abdel-Ghany, Ashraf E. Abbas, Somia M. El-Tawil, Rasha S. Li, Tianyi Li, Xintong El-Mounayri, Hazim Tovar, Andres Zhu, Likun Mauger, Alain Julien, Christian M. |
author_sort | Wang, Hua |
collection | PubMed |
description | Elemental doping for substituting lithium or oxygen sites has become a simple and effective technique to improve the electrochemical performance of layered cathode materials. Compared with single-element doping, this work presents an unprecedented contribution to the study of the effect of Na(+)/F(−) co-doping on the structure and electrochemical performance of LiNi(1/3)Mn(1/3)Co(1/3)O(2). The co-doped Li(1-z)Na(z)Ni(1/3)Mn(1/3)Co(1/3)O(2-z)F(z) (z = 0.025) and pristine LiNi(1/3)Co(1/3)Mn(1/3)O(2) materials were synthesized via the sol–gel method using EDTA as a chelating agent. Structural analyses, carried out by X-ray diffraction, Raman spectroscopy, and X-ray photoelectron spectroscopy, revealed that the Na(+) and F(−) dopants were successfully incorporated into the Li and O sites, respectively. The co-doping resulted in larger Li-slab spacing, a lower degree of cation mixing, and the stabilization of the surface structure, which substantially enhanced the cycling stability and rate capability of the cathode material. The Na/F co-doped LiNi(1/3)Mn(1/3)Co(1/3)O(2) electrode delivered an initial specific capacity of 142 mAh g(−1) at a 1C rate (178 mAh g(−1) at 0.1C), and it maintained 50% of its initial capacity after 1000 charge–discharge cycles at a 1C rate. |
format | Online Article Text |
id | pubmed-9223843 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-92238432022-06-24 Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries Wang, Hua Hashem, Ahmed M. Abdel-Ghany, Ashraf E. Abbas, Somia M. El-Tawil, Rasha S. Li, Tianyi Li, Xintong El-Mounayri, Hazim Tovar, Andres Zhu, Likun Mauger, Alain Julien, Christian M. Int J Mol Sci Article Elemental doping for substituting lithium or oxygen sites has become a simple and effective technique to improve the electrochemical performance of layered cathode materials. Compared with single-element doping, this work presents an unprecedented contribution to the study of the effect of Na(+)/F(−) co-doping on the structure and electrochemical performance of LiNi(1/3)Mn(1/3)Co(1/3)O(2). The co-doped Li(1-z)Na(z)Ni(1/3)Mn(1/3)Co(1/3)O(2-z)F(z) (z = 0.025) and pristine LiNi(1/3)Co(1/3)Mn(1/3)O(2) materials were synthesized via the sol–gel method using EDTA as a chelating agent. Structural analyses, carried out by X-ray diffraction, Raman spectroscopy, and X-ray photoelectron spectroscopy, revealed that the Na(+) and F(−) dopants were successfully incorporated into the Li and O sites, respectively. The co-doping resulted in larger Li-slab spacing, a lower degree of cation mixing, and the stabilization of the surface structure, which substantially enhanced the cycling stability and rate capability of the cathode material. The Na/F co-doped LiNi(1/3)Mn(1/3)Co(1/3)O(2) electrode delivered an initial specific capacity of 142 mAh g(−1) at a 1C rate (178 mAh g(−1) at 0.1C), and it maintained 50% of its initial capacity after 1000 charge–discharge cycles at a 1C rate. MDPI 2022-06-17 /pmc/articles/PMC9223843/ /pubmed/35743197 http://dx.doi.org/10.3390/ijms23126755 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 Wang, Hua Hashem, Ahmed M. Abdel-Ghany, Ashraf E. Abbas, Somia M. El-Tawil, Rasha S. Li, Tianyi Li, Xintong El-Mounayri, Hazim Tovar, Andres Zhu, Likun Mauger, Alain Julien, Christian M. Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title | Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title_full | Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title_fullStr | Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title_full_unstemmed | Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title_short | Effect of Cationic (Na(+)) and Anionic (F(−)) Co-Doping on the Structural and Electrochemical Properties of LiNi(1/3)Mn(1/3)Co(1/3)O(2) Cathode Material for Lithium-Ion Batteries |
title_sort | effect of cationic (na(+)) and anionic (f(−)) co-doping on the structural and electrochemical properties of lini(1/3)mn(1/3)co(1/3)o(2) cathode material for lithium-ion batteries |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9223843/ https://www.ncbi.nlm.nih.gov/pubmed/35743197 http://dx.doi.org/10.3390/ijms23126755 |
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