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A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries

Silicon monoxide (SiO) is considered as one of the most promising alternative anode materials thanks to its high theoretical capacity, satisfying operating voltage and low cost. However, huge volume change, poor electrical conductivity, and poor cycle performance of SiO dramatically hindered its com...

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Detalles Bibliográficos
Autores principales: Huang, Zhihao, Dang, Guoju, Jiang, Wenping, Sun, Yuanyu, Yu, Meng, Zhang, Quansheng, Xie, Jingying
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7953473/
https://www.ncbi.nlm.nih.gov/pubmed/33492771
http://dx.doi.org/10.1002/open.202000341
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author Huang, Zhihao
Dang, Guoju
Jiang, Wenping
Sun, Yuanyu
Yu, Meng
Zhang, Quansheng
Xie, Jingying
author_facet Huang, Zhihao
Dang, Guoju
Jiang, Wenping
Sun, Yuanyu
Yu, Meng
Zhang, Quansheng
Xie, Jingying
author_sort Huang, Zhihao
collection PubMed
description Silicon monoxide (SiO) is considered as one of the most promising alternative anode materials thanks to its high theoretical capacity, satisfying operating voltage and low cost. However, huge volume change, poor electrical conductivity, and poor cycle performance of SiO dramatically hindered its commercial application. In this work, we report an affordable and simple way for manufacturing carbon‐coated SiO−C composites with good electrochemical performance on kilogram scales. Industrial grade SiO was modified by carbon coating using cheap and environment friendly polyvinyl pyrrolidone (PVP) as carbon source. High‐resolution transmission electron microscopy (HRTEM) and Raman spectra results show that there is an amorphous carbon coating layer with a thickness of about 40 nm on the surface of SiO. The synthesized SiO−C‐650 composite shows great electrochemical performance with a high capacity of 1491 mAh.g(−1) at 0.1 C rate and outstanding capacity retention of 67.2 % after 100 cycles. The material also displays an excellent performance with a capacity of 1100 mAh.g(−1) at 0.5 C rate. Electrochemical impedance spectroscopy (EIS) results also prove that the carbon coating layer can effectively improve the conductivity of the composite and thus enhance the cycling stability of SiO electrode.
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spelling pubmed-79534732021-03-17 A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries Huang, Zhihao Dang, Guoju Jiang, Wenping Sun, Yuanyu Yu, Meng Zhang, Quansheng Xie, Jingying ChemistryOpen Full Papers Silicon monoxide (SiO) is considered as one of the most promising alternative anode materials thanks to its high theoretical capacity, satisfying operating voltage and low cost. However, huge volume change, poor electrical conductivity, and poor cycle performance of SiO dramatically hindered its commercial application. In this work, we report an affordable and simple way for manufacturing carbon‐coated SiO−C composites with good electrochemical performance on kilogram scales. Industrial grade SiO was modified by carbon coating using cheap and environment friendly polyvinyl pyrrolidone (PVP) as carbon source. High‐resolution transmission electron microscopy (HRTEM) and Raman spectra results show that there is an amorphous carbon coating layer with a thickness of about 40 nm on the surface of SiO. The synthesized SiO−C‐650 composite shows great electrochemical performance with a high capacity of 1491 mAh.g(−1) at 0.1 C rate and outstanding capacity retention of 67.2 % after 100 cycles. The material also displays an excellent performance with a capacity of 1100 mAh.g(−1) at 0.5 C rate. Electrochemical impedance spectroscopy (EIS) results also prove that the carbon coating layer can effectively improve the conductivity of the composite and thus enhance the cycling stability of SiO electrode. John Wiley and Sons Inc. 2021-01-25 /pmc/articles/PMC7953473/ /pubmed/33492771 http://dx.doi.org/10.1002/open.202000341 Text en © 2021 The Authors. Published by Wiley-VCH GmbH This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
spellingShingle Full Papers
Huang, Zhihao
Dang, Guoju
Jiang, Wenping
Sun, Yuanyu
Yu, Meng
Zhang, Quansheng
Xie, Jingying
A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title_full A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title_fullStr A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title_full_unstemmed A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title_short A Low‐Cost and Scalable Carbon Coated SiO‐Based Anode Material for Lithium‐Ion Batteries
title_sort low‐cost and scalable carbon coated sio‐based anode material for lithium‐ion batteries
topic Full Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7953473/
https://www.ncbi.nlm.nih.gov/pubmed/33492771
http://dx.doi.org/10.1002/open.202000341
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