3D Ordered Macroporous Carbon Encapsulated ZnO Nanoparticles as a High-Performance Anode for Lithium-Ion Batteries

Chengwei Zhang, Zheng Zhang, Fuxing Yin, Yongguang Zhang, Almagul Mentbayeva, Moulay Rachid Babaa, Anara Molkenova, Zhumabay Bakenov

Research output: Contribution to journalArticle

  • 3 Citations

Abstract

A one-step template-based technique for the fabrication of three dimensionally ordered macroporous carbon (3DOMC) was developed. 3DOMC, prepared using silica crystal as a template and soluble resol as a carbon source, possesses ordered macropores with mesoporous walls. ZnO nanoparticles were deposited on as-prepared 3DOMC via a simple insitu growth process to form a ZnO/3DOMC anode material for lithium-ion batteries. In the composite, the ZnO nanoparticles (≈3.9nm) were well-dispersed on the walls of 3DOMC. The ZnO/3DOMC anode exhibited an enhanced performance in a lithium battery delivering a specific capacity of 673mAhg-1 at a current density of 0.1C (0.1 C=97.8mAg-1) after 300 cycles. This superior performance was ascribed to the ordered interconnected macropores of 3DOMC which could provide rapid diffusion paths for lithium-ion diffusion and the electrolyte penetration, and buffer the volume changes of the ZnO nanoparticles upon cycling. Furthermore, the mesoporous structure of the 3DOMC walls could enhance the wettability of the ZnO-based electrode, further improving its electrochemical performance.

LanguageEnglish
JournalChemElectroChem
DOIs
StateAccepted/In press - 2017

Fingerprint

Anodes
Carbon
Nanoparticles
Lithium batteries
Lithium
Silicon Dioxide
Electrolytes
Wetting
Buffers
Current density
Silica
Ions
Fabrication
Crystals
Electrodes
Composite materials
Lithium-ion batteries

Keywords

  • Anode
  • Lithium-ion batteries
  • Macroporous materials
  • Mesoporous walls
  • ZnO nanoparticles

ASJC Scopus subject areas

  • Catalysis
  • Electrochemistry

Cite this

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title = "3D Ordered Macroporous Carbon Encapsulated ZnO Nanoparticles as a High-Performance Anode for Lithium-Ion Batteries",
abstract = "A one-step template-based technique for the fabrication of three dimensionally ordered macroporous carbon (3DOMC) was developed. 3DOMC, prepared using silica crystal as a template and soluble resol as a carbon source, possesses ordered macropores with mesoporous walls. ZnO nanoparticles were deposited on as-prepared 3DOMC via a simple insitu growth process to form a ZnO/3DOMC anode material for lithium-ion batteries. In the composite, the ZnO nanoparticles (≈3.9nm) were well-dispersed on the walls of 3DOMC. The ZnO/3DOMC anode exhibited an enhanced performance in a lithium battery delivering a specific capacity of 673mAhg-1 at a current density of 0.1C (0.1 C=97.8mAg-1) after 300 cycles. This superior performance was ascribed to the ordered interconnected macropores of 3DOMC which could provide rapid diffusion paths for lithium-ion diffusion and the electrolyte penetration, and buffer the volume changes of the ZnO nanoparticles upon cycling. Furthermore, the mesoporous structure of the 3DOMC walls could enhance the wettability of the ZnO-based electrode, further improving its electrochemical performance.",
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author = "Chengwei Zhang and Zheng Zhang and Fuxing Yin and Yongguang Zhang and Almagul Mentbayeva and Babaa, {Moulay Rachid} and Anara Molkenova and Zhumabay Bakenov",
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AU - Zhang,Chengwei

AU - Zhang,Zheng

AU - Yin,Fuxing

AU - Zhang,Yongguang

AU - Mentbayeva,Almagul

AU - Babaa,Moulay Rachid

AU - Molkenova,Anara

AU - Bakenov,Zhumabay

PY - 2017

Y1 - 2017

N2 - A one-step template-based technique for the fabrication of three dimensionally ordered macroporous carbon (3DOMC) was developed. 3DOMC, prepared using silica crystal as a template and soluble resol as a carbon source, possesses ordered macropores with mesoporous walls. ZnO nanoparticles were deposited on as-prepared 3DOMC via a simple insitu growth process to form a ZnO/3DOMC anode material for lithium-ion batteries. In the composite, the ZnO nanoparticles (≈3.9nm) were well-dispersed on the walls of 3DOMC. The ZnO/3DOMC anode exhibited an enhanced performance in a lithium battery delivering a specific capacity of 673mAhg-1 at a current density of 0.1C (0.1 C=97.8mAg-1) after 300 cycles. This superior performance was ascribed to the ordered interconnected macropores of 3DOMC which could provide rapid diffusion paths for lithium-ion diffusion and the electrolyte penetration, and buffer the volume changes of the ZnO nanoparticles upon cycling. Furthermore, the mesoporous structure of the 3DOMC walls could enhance the wettability of the ZnO-based electrode, further improving its electrochemical performance.

AB - A one-step template-based technique for the fabrication of three dimensionally ordered macroporous carbon (3DOMC) was developed. 3DOMC, prepared using silica crystal as a template and soluble resol as a carbon source, possesses ordered macropores with mesoporous walls. ZnO nanoparticles were deposited on as-prepared 3DOMC via a simple insitu growth process to form a ZnO/3DOMC anode material for lithium-ion batteries. In the composite, the ZnO nanoparticles (≈3.9nm) were well-dispersed on the walls of 3DOMC. The ZnO/3DOMC anode exhibited an enhanced performance in a lithium battery delivering a specific capacity of 673mAhg-1 at a current density of 0.1C (0.1 C=97.8mAg-1) after 300 cycles. This superior performance was ascribed to the ordered interconnected macropores of 3DOMC which could provide rapid diffusion paths for lithium-ion diffusion and the electrolyte penetration, and buffer the volume changes of the ZnO nanoparticles upon cycling. Furthermore, the mesoporous structure of the 3DOMC walls could enhance the wettability of the ZnO-based electrode, further improving its electrochemical performance.

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