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Construction of point-line-plane (0-1-2 dimensional) Fe2O3-SnO2/graphene hybrids as the anodes with excellent lithium storage capability
  • ISSN号:1005-023X
  • 期刊名称:《材料导报》
  • 时间:0
  • 分类:O[理学]
  • 作者机构:[1]Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China, [2]School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China, [3]Nanomaterials Centre, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, QLD 4072, Australia
  • 相关基金:Acknowledgements The authors gratefully thank the financial support from the National Natural Science Foundation of China (Nos. 11275121, 21471096, and 21371116), and Program for Innovative Research Team in University (No. IRT13078).
中文摘要:

混合 nanomaterials 的集会为锂离子电池(解放) 为高效的阳极的构造开创了一个新方向。在这个工作,我们在场一直接,eco友好,一步舞为 Fe 2 O 3-SnO2/graphene 混血儿,在哪个零维( 0D )有 8 nm 的一条平均直径的 SnO 2 nanoparticles 并且一个维( 1D ) Fe 2有一段~的 O 3 nanorods 150 nm 同类地被依附到上二维( 2D )减少了 graphene 氧化物 nanosheets ,产生唯一的 point-line-plane ( 0D-1D-2D ) architec 完成的 Fe 2 O 3-SnO2/graphene 展出明确的形态学,一种一致尺寸,和好 monodispersity。作为为解放的阳极材料,混血儿展出 1,530 mAscreening 效果的一个显著可逆能力。最大的开/关比率在 600 e moduli i 的退火的温度到达了 10 5 吗??

英文摘要:

The assembly of hybrid nanomaterials has opened up a new direction for the construction of high-performance anodes for lithium-ion batteries (LIBs). In this work, we present a straightforward, eco-friendly, one-step hydrothermal protocol for the synthesis of a new type of Fe2OB-SnO2/graphene hybrid, in which zero-dimensional (0D) SnO2 nanoparticles with an average diameter of 8 nm and one-dimensional (1D) Fe203 nanorods with a length of -150 nm are homogeneously attached onto two-dimensional (2D) reduced graphene oxide nanosheets, generating a unique point-line-plane (0D-1D-2D) architecture. The achieved Fe203-SnO2/graphene exhibits a well-defined morphology, a uniform size, and good monodispersity. As anode materials for LIBs, the hybrids exhibit a remarkable reversible capacity of 1,530 mA·g^-1 at a current density of 100 ma·g^-1 after 200 cycles, as well as a high rate capability of 615 mAh·g^-1 at 2,000 mA·g^-1 Detailed characterizations reveal that the superior lithium-storage capacity and good cycle stability of the hybrids arise from their peculiar hybrid nanostructure and conductive graphene matrix, as well as the synergistic interaction among the components.

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期刊信息
  • 《材料导报:纳米与新材料专辑》
  • 主管单位:重庆西南信息有限公司(原科技部西南信息中心)
  • 主办单位:重庆西南信息有限公司(原科技部西南信息中心)
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  • 地址:重庆市渝北区洪湖西路18号
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  • 邮箱:matreved@163.com
  • 电话:023-67398525
  • 国际标准刊号:ISSN:1005-023X
  • 国内统一刊号:ISSN:50-1078/TB
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  • 被引量:3397