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ZnO-CoO Nanoparticles Encapsulated in 3D Porous Carbon Microspheres for High-performance Lithium-Ion Battery Anodes

In this paper we report a novel architecture of hierarchical 3D porous carbon microspheres (PCM) to encapsulate ZnO-CoO nanoparticles that serves as an advanced anode for high-performance lithium-ion battery (LIB). The PCM is fabricated by a facile aerosol spray pyrolysis method, and ZnO-CoO composi... Full description

Journal Title: Electrochimica Acta 20 July 2014, Vol.135, pp.224-231
Main Author: Liu, Lianjun
Other Authors: Zhao, Cunyu , Zhao, Huilei , Zhang, Qianyi , Li, Ying
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2014.05.001
Link: http://dx.doi.org/10.1016/j.electacta.2014.05.001
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recordid: sciversesciencedirect_elsevierS0013-4686(14)00968-2
title: ZnO-CoO Nanoparticles Encapsulated in 3D Porous Carbon Microspheres for High-performance Lithium-Ion Battery Anodes
format: Article
creator:
  • Liu, Lianjun
  • Zhao, Cunyu
  • Zhao, Huilei
  • Zhang, Qianyi
  • Li, Ying
subjects:
  • Zno-Coo Nanoparticles
  • Porous Carbon Microsphere
  • Confinement Effect
  • Lithium-Ion Batteries
  • Reversible Capacity
ispartof: Electrochimica Acta, 20 July 2014, Vol.135, pp.224-231
description: In this paper we report a novel architecture of hierarchical 3D porous carbon microspheres (PCM) to encapsulate ZnO-CoO nanoparticles that serves as an advanced anode for high-performance lithium-ion battery (LIB). The PCM is fabricated by a facile aerosol spray pyrolysis method, and ZnO-CoO composite nanoparticles are infiltrated into the PCM by a simple one-pot hydrothermal procedure (i.e., ZnO-CoO@PCM). The developed hybrid material provides several advantages: (1) partial replacement of CoO with ZnO to offer a low-cost and eco-friendly candidate anode, (2) a continuous and large surface area (1236 m2g−1) carbon network for improved electrical conductivity and uniform dispersion of ZnO-CoO nanoparticles, and (3) porous structure for good electrolyte diffusion and fast Li-ion transport and to buffer the large volume expansion of the metal oxides. As a result, this new ZnO-CoO@PCM nanocomposite demonstrates a higher reversible capacity (1250 mAh g−1 after 150 cycles at a current density of 100mAg−1), more excellent cycling stability, and better rate capability than a ZnO-CoO/PCM mixture and than a non-porous ZnO-CoO/carbon black mixture. The 3D porous nanocomposite architecture in this work could shed light on the design and synthesis of other metal oxides electrodes for energy storage.
language: eng
source:
identifier: ISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2014.05.001
fulltext: fulltext
issn:
  • 00134686
  • 0013-4686
url: Link


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titleZnO-CoO Nanoparticles Encapsulated in 3D Porous Carbon Microspheres for High-performance Lithium-Ion Battery Anodes
creatorLiu, Lianjun ; Zhao, Cunyu ; Zhao, Huilei ; Zhang, Qianyi ; Li, Ying
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identifierISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2014.05.001
subjectZno-Coo Nanoparticles ; Porous Carbon Microsphere ; Confinement Effect ; Lithium-Ion Batteries ; Reversible Capacity
descriptionIn this paper we report a novel architecture of hierarchical 3D porous carbon microspheres (PCM) to encapsulate ZnO-CoO nanoparticles that serves as an advanced anode for high-performance lithium-ion battery (LIB). The PCM is fabricated by a facile aerosol spray pyrolysis method, and ZnO-CoO composite nanoparticles are infiltrated into the PCM by a simple one-pot hydrothermal procedure (i.e., ZnO-CoO@PCM). The developed hybrid material provides several advantages: (1) partial replacement of CoO with ZnO to offer a low-cost and eco-friendly candidate anode, (2) a continuous and large surface area (1236 m2g−1) carbon network for improved electrical conductivity and uniform dispersion of ZnO-CoO nanoparticles, and (3) porous structure for good electrolyte diffusion and fast Li-ion transport and to buffer the large volume expansion of the metal oxides. As a result, this new ZnO-CoO@PCM nanocomposite demonstrates a higher reversible capacity (1250 mAh g−1 after 150 cycles at a current density of 100mAg−1), more excellent cycling stability, and better rate capability than a ZnO-CoO/PCM mixture and than a non-porous ZnO-CoO/carbon black mixture. The 3D porous nanocomposite architecture in this work could shed light on the design and synthesis of other metal oxides electrodes for energy storage.
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descriptionIn this paper we report a novel architecture of hierarchical 3D porous carbon microspheres (PCM) to encapsulate ZnO-CoO nanoparticles that serves as an advanced anode for high-performance lithium-ion battery (LIB). The PCM is fabricated by a facile aerosol spray pyrolysis method, and ZnO-CoO composite nanoparticles are infiltrated into the PCM by a simple one-pot hydrothermal procedure (i.e., ZnO-CoO@PCM). The developed hybrid material provides several advantages: (1) partial replacement of CoO with ZnO to offer a low-cost and eco-friendly candidate anode, (2) a continuous and large surface area (1236 m2g−1) carbon network for improved electrical conductivity and uniform dispersion of ZnO-CoO nanoparticles, and (3) porous structure for good electrolyte diffusion and fast Li-ion transport and to buffer the large volume expansion of the metal oxides. As a result, this new ZnO-CoO@PCM nanocomposite demonstrates a higher reversible capacity (1250 mAh g−1 after 150 cycles at a current density of 100mAg−1), more excellent cycling stability, and better rate capability than a ZnO-CoO/PCM mixture and than a non-porous ZnO-CoO/carbon black mixture. The 3D porous nanocomposite architecture in this work could shed light on the design and synthesis of other metal oxides electrodes for energy storage.
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abstractIn this paper we report a novel architecture of hierarchical 3D porous carbon microspheres (PCM) to encapsulate ZnO-CoO nanoparticles that serves as an advanced anode for high-performance lithium-ion battery (LIB). The PCM is fabricated by a facile aerosol spray pyrolysis method, and ZnO-CoO composite nanoparticles are infiltrated into the PCM by a simple one-pot hydrothermal procedure (i.e., ZnO-CoO@PCM). The developed hybrid material provides several advantages: (1) partial replacement of CoO with ZnO to offer a low-cost and eco-friendly candidate anode, (2) a continuous and large surface area (1236 m2g−1) carbon network for improved electrical conductivity and uniform dispersion of ZnO-CoO nanoparticles, and (3) porous structure for good electrolyte diffusion and fast Li-ion transport and to buffer the large volume expansion of the metal oxides. As a result, this new ZnO-CoO@PCM nanocomposite demonstrates a higher reversible capacity (1250 mAh g−1 after 150 cycles at a current density of 100mAg−1), more excellent cycling stability, and better rate capability than a ZnO-CoO/PCM mixture and than a non-porous ZnO-CoO/carbon black mixture. The 3D porous nanocomposite architecture in this work could shed light on the design and synthesis of other metal oxides electrodes for energy storage.
pubElsevier Ltd
doi10.1016/j.electacta.2014.05.001
eissn18733859
date2014-07-20