Co3O4 nanostructures with a high rate performance as anode materials for lithium-ion batteries, prepared via book-like cobalt-organic frameworks

Bo Yan, Lin Chen, Yuanjun Liu, Guoxing Zhu, Chunguang Wang, Han Zhang, Gang Yang*, Haitao Ye, Aihua Yuan

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The self-assembly of cobalt coordination frameworks (Co-CPs) with a two-dimensional morphology is demonstrated by a solvothermal method. The morphology of the Co-CPs has been controlled by various solvothermal conditions. The two-dimensional nanostructures agglomerated by Co3O4 nanoparticles remained after the pyrolysis of the Co-CPs. The as-synthesized Co3O4 anode material is characterized by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and galvanostatic charge-discharge measurements. The morphology of Co3O4 plays a crucial role in the high performance anode materials for lithium batteries. The Co3O4 nanoparticles with opened-book morphology deliver a high capacity of 597 mA h g-1 after 50 cycles at a current rate of 800 mA g-1. The opened-book morphology of Co3O4 provides efficient lithium ion diffusion tunnels and increases the electrolyte/Co3O4 contact/interfacial area. At a relatively high current rate of 1200 mA g-1, Co3O4 with opened-book morphology delivers an excellent rate capability of 574 mA h g-1.

Original languageEnglish
Pages (from-to)10227-10234
Number of pages8
JournalCrystengcomm
Volume16
Issue number44
Early online date15 Sep 2014
DOIs
Publication statusPublished - 31 Dec 2014

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Cobalt
electric batteries
Nanostructures
Anodes
anodes
cobalt
lithium
ions
Nanoparticles
nanoparticles
Lithium batteries
lithium batteries
Electrochemical impedance spectroscopy
Lithium
Self assembly
Electrolytes
Cyclic voltammetry
pyrolysis
high current
tunnels

Bibliographical note

Funding: National Natural Science Foundation (51072072, 51272095, 51172032); and European Union Marie Curie FP7-IRSES project (no: 295208).

Electronic supplementary information: DOI 10.1039/c4ce01277a

Cite this

Yan, Bo ; Chen, Lin ; Liu, Yuanjun ; Zhu, Guoxing ; Wang, Chunguang ; Zhang, Han ; Yang, Gang ; Ye, Haitao ; Yuan, Aihua. / Co3O4 nanostructures with a high rate performance as anode materials for lithium-ion batteries, prepared via book-like cobalt-organic frameworks. In: Crystengcomm. 2014 ; Vol. 16, No. 44. pp. 10227-10234.
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Co3O4 nanostructures with a high rate performance as anode materials for lithium-ion batteries, prepared via book-like cobalt-organic frameworks. / Yan, Bo; Chen, Lin; Liu, Yuanjun; Zhu, Guoxing; Wang, Chunguang; Zhang, Han; Yang, Gang; Ye, Haitao; Yuan, Aihua.

In: Crystengcomm, Vol. 16, No. 44, 31.12.2014, p. 10227-10234.

Research output: Contribution to journalArticle

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AU - Zhang, Han

AU - Yang, Gang

AU - Ye, Haitao

AU - Yuan, Aihua

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