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Intergrown SnO2-TiO2@graphene ternary composite as high-performance lithium-ion battery anodes

Abstract In recent years, a lot of metal oxides with high theoretical capacity have widely investigated as the high-performance anode materials for lithium-ion batteries (LIBs). In this work, a simple, facile and effective one-pot hydrothermal strategy toward ternary SnO2-TiO2@graphene composite has... Full description

Journal Title: Journal of Nanoparticle Research Oct 2016, Vol.18(10), pp.1-12
Main Author: Jiao, Zheng
Other Authors: Gao, Renmei , Tao, Haihua , Yuan, Shuai , Xu, Laiqiang , Xia, Saisai , Zhang, Haijiao
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 13880764 ; DOI: 10.1007/s11051-016-3617-5
Link: http://search.proquest.com/docview/1828255748/?pq-origsite=primo
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title: Intergrown SnO2-TiO2@graphene ternary composite as high-performance lithium-ion battery anodes
format: Article
creator:
  • Jiao, Zheng
  • Gao, Renmei
  • Tao, Haihua
  • Yuan, Shuai
  • Xu, Laiqiang
  • Xia, Saisai
  • Zhang, Haijiao
subjects:
  • Sno2-Tio2@Graphene
  • Ternary Composite
  • Intergrowth
  • Synergistic Effect
  • Lithium-Ion Batteries
  • Energy Storage
ispartof: Journal of Nanoparticle Research, Oct 2016, Vol.18(10), pp.1-12
description: Abstract In recent years, a lot of metal oxides with high theoretical capacity have widely investigated as the high-performance anode materials for lithium-ion batteries (LIBs). In this work, a simple, facile and effective one-pot hydrothermal strategy toward ternary SnO2-TiO2@graphene composite has been developed by using SnCl 2 and TiOSO4 as the starting materials. The obtained composite demonstrates a unique structure and high surface areas, in which both SnO2 and TiO2 nanoparticles are well grown on the surface of graphene. More interestingly, the SnO2 and TiO2 nanoparticles are intergrowth together, totally different with the traditional ternary hybrids. When used as anode material for LIBs, the introduction of TiO2 plays a crucial role in maintaining the structural stability of the electrode during Li + insertion/extraction, which can effectively prevent the aggregation of SnO2 nanoparticles. The electrochemical tests indicate that as-prepared SnO2-TiO2@graphene composite exhibits a high capacity of 1276 mA h g-1 after 200 cycles at the current density of 200 mA g-1. Furthermore, the composite also maintains the specific capacity of 611 mA h g-1 at an ultrahigh current density of 2000 mA g-1, which is superior to those of the reported SnO2 and SnO2/graphene hybrids. Accordingly, the remarkable electrochemical performance of ternary SnO2-TiO2@graphene composites is mainly attributed to their unique nanostructure, high surface areas, and the synergistic effect not only between graphene and metal oxides but also between the intergrown SnO2 and TiO2 nanoparticles. Graphical abstract Intergrown SnO2 and TiO2 nanoparticles have been successfully anchored onto the graphene nanosheets as high-performance lithium-ion battery anodes.[Figure not available: see fulltext.]
language: eng
source:
identifier: ISSN: 13880764 ; DOI: 10.1007/s11051-016-3617-5
fulltext: fulltext
issn:
  • 13880764
  • 1388-0764
url: Link


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titleIntergrown SnO2-TiO2@graphene ternary composite as high-performance lithium-ion battery anodes
creatorJiao, Zheng ; Gao, Renmei ; Tao, Haihua ; Yuan, Shuai ; Xu, Laiqiang ; Xia, Saisai ; Zhang, Haijiao
ispartofJournal of Nanoparticle Research, Oct 2016, Vol.18(10), pp.1-12
identifierISSN: 13880764 ; DOI: 10.1007/s11051-016-3617-5
subjectSno2-Tio2@Graphene ; Ternary Composite ; Intergrowth ; Synergistic Effect ; Lithium-Ion Batteries ; Energy Storage
descriptionAbstract In recent years, a lot of metal oxides with high theoretical capacity have widely investigated as the high-performance anode materials for lithium-ion batteries (LIBs). In this work, a simple, facile and effective one-pot hydrothermal strategy toward ternary SnO2-TiO2@graphene composite has been developed by using SnCl 2 and TiOSO4 as the starting materials. The obtained composite demonstrates a unique structure and high surface areas, in which both SnO2 and TiO2 nanoparticles are well grown on the surface of graphene. More interestingly, the SnO2 and TiO2 nanoparticles are intergrowth together, totally different with the traditional ternary hybrids. When used as anode material for LIBs, the introduction of TiO2 plays a crucial role in maintaining the structural stability of the electrode during Li + insertion/extraction, which can effectively prevent the aggregation of SnO2 nanoparticles. The electrochemical tests indicate that as-prepared SnO2-TiO2@graphene composite exhibits a high capacity of 1276 mA h g-1 after 200 cycles at the current density of 200 mA g-1. Furthermore, the composite also maintains the specific capacity of 611 mA h g-1 at an ultrahigh current density of 2000 mA g-1, which is superior to those of the reported SnO2 and SnO2/graphene hybrids. Accordingly, the remarkable electrochemical performance of ternary SnO2-TiO2@graphene composites is mainly attributed to their unique nanostructure, high surface areas, and the synergistic effect not only between graphene and metal oxides but also between the intergrown SnO2 and TiO2 nanoparticles. Graphical abstract Intergrown SnO2 and TiO2 nanoparticles have been successfully anchored onto the graphene nanosheets as high-performance lithium-ion battery anodes.[Figure not available: see fulltext.]
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titleIntergrown SnO2-TiO2@graphene ternary composite as high-performance lithium-ion battery anodes
descriptionAbstract In recent years, a lot of metal oxides with high theoretical capacity have widely investigated as the high-performance anode materials for lithium-ion batteries (LIBs). In this work, a simple, facile and effective one-pot hydrothermal strategy toward ternary SnO2-TiO2@graphene composite has been developed by using SnCl 2 and TiOSO4 as the starting materials. The obtained composite demonstrates a unique structure and high surface areas, in which both SnO2 and TiO2 nanoparticles are well grown on the surface of graphene. More interestingly, the SnO2 and TiO2 nanoparticles are intergrowth together, totally different with the traditional ternary hybrids. When used as anode material for LIBs, the introduction of TiO2 plays a crucial role in maintaining the structural stability of the electrode during Li + insertion/extraction, which can effectively prevent the aggregation of SnO2 nanoparticles. The electrochemical tests indicate that as-prepared SnO2-TiO2@graphene composite exhibits a high capacity of 1276 mA h g-1 after 200 cycles at the current density of 200 mA g-1. Furthermore, the composite also maintains the specific capacity of 611 mA h g-1 at an ultrahigh current density of 2000 mA g-1, which is superior to those of the reported SnO2 and SnO2/graphene hybrids. Accordingly, the remarkable electrochemical performance of ternary SnO2-TiO2@graphene composites is mainly attributed to their unique nanostructure, high surface areas, and the synergistic effect not only between graphene and metal oxides but also between the intergrown SnO2 and TiO2 nanoparticles. Graphical abstract Intergrown SnO2 and TiO2 nanoparticles have been successfully anchored onto the graphene nanosheets as high-performance lithium-ion battery anodes.[Figure not available: see fulltext.]
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abstractAbstract In recent years, a lot of metal oxides with high theoretical capacity have widely investigated as the high-performance anode materials for lithium-ion batteries (LIBs). In this work, a simple, facile and effective one-pot hydrothermal strategy toward ternary SnO2-TiO2@graphene composite has been developed by using SnCl 2 and TiOSO4 as the starting materials. The obtained composite demonstrates a unique structure and high surface areas, in which both SnO2 and TiO2 nanoparticles are well grown on the surface of graphene. More interestingly, the SnO2 and TiO2 nanoparticles are intergrowth together, totally different with the traditional ternary hybrids. When used as anode material for LIBs, the introduction of TiO2 plays a crucial role in maintaining the structural stability of the electrode during Li + insertion/extraction, which can effectively prevent the aggregation of SnO2 nanoparticles. The electrochemical tests indicate that as-prepared SnO2-TiO2@graphene composite exhibits a high capacity of 1276 mA h g-1 after 200 cycles at the current density of 200 mA g-1. Furthermore, the composite also maintains the specific capacity of 611 mA h g-1 at an ultrahigh current density of 2000 mA g-1, which is superior to those of the reported SnO2 and SnO2/graphene hybrids. Accordingly, the remarkable electrochemical performance of ternary SnO2-TiO2@graphene composites is mainly attributed to their unique nanostructure, high surface areas, and the synergistic effect not only between graphene and metal oxides but also between the intergrown SnO2 and TiO2 nanoparticles. Graphical abstract Intergrown SnO2 and TiO2 nanoparticles have been successfully anchored onto the graphene nanosheets as high-performance lithium-ion battery anodes.[Figure not available: see fulltext.]
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