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Facile synthesis of ultrafine carbon-coated SnO.sub.2 nanoparticles for high-performance reversible lithium storage

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpowsour.2013.06.017 Byline: Bing Liu, Minhua Cao, Xinyu Zhao, Yuan Tian, Changwen Hu Abstract: Ultrafine carbon-coated SnO.sub.2 nanoparticles (NPs) with diameters of 3-6 nm are prepared by a hydrothermal met... Full description

Journal Title: Journal of Power Sources Dec 1, 2013, Vol.243, p.54(6)
Main Author: Liu, Bing
Other Authors: Cao, Minhua , Zhao, Xinyu , Tian, Yuan , Hu, Changwen
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Cengage Learning, Inc.
ID: ISSN: 0378-7753
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recordid: gale_ofa346072315
title: Facile synthesis of ultrafine carbon-coated SnO.sub.2 nanoparticles for high-performance reversible lithium storage
format: Article
creator:
  • Liu, Bing
  • Cao, Minhua
  • Zhao, Xinyu
  • Tian, Yuan
  • Hu, Changwen
subjects:
  • Nanoparticles
  • Electrochemistry
  • Organic Acids
ispartof: Journal of Power Sources, Dec 1, 2013, Vol.243, p.54(6)
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpowsour.2013.06.017 Byline: Bing Liu, Minhua Cao, Xinyu Zhao, Yuan Tian, Changwen Hu Abstract: Ultrafine carbon-coated SnO.sub.2 nanoparticles (NPs) with diameters of 3-6 nm are prepared by a hydrothermal method in the presence of ascorbic acid and subsequent thermal treatment. The ascorbic acid, on the one hand, serves as a ligand to control the growth of the ultrafine SnO.sub.2 NPs during the hydrothermal process and on the other hand it acts as carbon precursor to form carbon shell surrounding the ultrafine SnO.sub.2 NPs in the thermal treatment process. When evaluated as an anode material for lithium-ion batteries (LIBs), the as-synthesized ultrafine carbon-coated SnO.sub.2 NPs exhibit a high reversible capacity of 688.6 mAh g.sup.-1 at a rate of 1 C after 50 cycles. Even charging at the rate of as high as 5 C, they still deliver a reversible capacity of 414 mAh g.sup.-1, which is about 50% of the theoretical capacity of SnO.sub.2. The perfect electrochemical performance can be ascribed to the synergic effects of the conductive carbon shell surrounding the SnO.sub.2 NPs and the ultra-small size of the SnO.sub.2 NPs. Author Affiliation: Key Laboratory of Cluster Science, Ministry of Education of China, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, PR China Article History: Received 26 November 2012; Revised 2 June 2013; Accepted 5 June 2013
language: English
source: Cengage Learning, Inc.
identifier: ISSN: 0378-7753
fulltext: no_fulltext
issn:
  • 0378-7753
  • 03787753
url: Link


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titleFacile synthesis of ultrafine carbon-coated SnO.sub.2 nanoparticles for high-performance reversible lithium storage
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descriptionTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpowsour.2013.06.017 Byline: Bing Liu, Minhua Cao, Xinyu Zhao, Yuan Tian, Changwen Hu Abstract: Ultrafine carbon-coated SnO.sub.2 nanoparticles (NPs) with diameters of 3-6 nm are prepared by a hydrothermal method in the presence of ascorbic acid and subsequent thermal treatment. The ascorbic acid, on the one hand, serves as a ligand to control the growth of the ultrafine SnO.sub.2 NPs during the hydrothermal process and on the other hand it acts as carbon precursor to form carbon shell surrounding the ultrafine SnO.sub.2 NPs in the thermal treatment process. When evaluated as an anode material for lithium-ion batteries (LIBs), the as-synthesized ultrafine carbon-coated SnO.sub.2 NPs exhibit a high reversible capacity of 688.6 mAh g.sup.-1 at a rate of 1 C after 50 cycles. Even charging at the rate of as high as 5 C, they still deliver a reversible capacity of 414 mAh g.sup.-1, which is about 50% of the theoretical capacity of SnO.sub.2. The perfect electrochemical performance can be ascribed to the synergic effects of the conductive carbon shell surrounding the SnO.sub.2 NPs and the ultra-small size of the SnO.sub.2 NPs. Author Affiliation: Key Laboratory of Cluster Science, Ministry of Education of China, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, PR China Article History: Received 26 November 2012; Revised 2 June 2013; Accepted 5 June 2013
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abstractTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpowsour.2013.06.017 Byline: Bing Liu, Minhua Cao, Xinyu Zhao, Yuan Tian, Changwen Hu Abstract: Ultrafine carbon-coated SnO.sub.2 nanoparticles (NPs) with diameters of 3-6 nm are prepared by a hydrothermal method in the presence of ascorbic acid and subsequent thermal treatment. The ascorbic acid, on the one hand, serves as a ligand to control the growth of the ultrafine SnO.sub.2 NPs during the hydrothermal process and on the other hand it acts as carbon precursor to form carbon shell surrounding the ultrafine SnO.sub.2 NPs in the thermal treatment process. When evaluated as an anode material for lithium-ion batteries (LIBs), the as-synthesized ultrafine carbon-coated SnO.sub.2 NPs exhibit a high reversible capacity of 688.6 mAh g.sup.-1 at a rate of 1 C after 50 cycles. Even charging at the rate of as high as 5 C, they still deliver a reversible capacity of 414 mAh g.sup.-1, which is about 50% of the theoretical capacity of SnO.sub.2. The perfect electrochemical performance can be ascribed to the synergic effects of the conductive carbon shell surrounding the SnO.sub.2 NPs and the ultra-small size of the SnO.sub.2 NPs. Author Affiliation: Key Laboratory of Cluster Science, Ministry of Education of China, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, PR China Article History: Received 26 November 2012; Revised 2 June 2013; Accepted 5 June 2013
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