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Synthesis and electrochemical performance of ZnCo2O4 for lithium-ion battery application

  • Wei Wang
  • , Yun Yang
  • , Shuijin Yang
  • , Zaiping Guo
  • , Chuanqi Feng*
  • , Xingchun Tang
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

ZnCo2O4 was synthesized through the rheological phase reaction method using zinc acetate dehydrate, cobalt (II) acetate tetrahydrate, and citric acid as raw materials. The precursors were heat-treated in a muf fle furnace at 400°C or 500°C, respectively. The samples were characterized by X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. The electrochemical properties of the samples were investigated. The results show that ZnCo2O4 nanoparticles were synthesized successfully. The particles took on irregular quasi-spherical shapes, and the sizes of the particles were less than 100 nm. The electrochemical properties showed that the ZnCo2O4 synthesized at 400°C featured better reversible capacity than that of ZnCo2O4 synthesized at 500°C, and its specific capacity was 801 mAh g-1 after 100 cycles at a constant current of 100 mAh g-1 in the voltage range of 0.01-3 V. Hence, the ZnCo2O4 synthesized by this method could be a promising anode material for lithium ion battery application. © 2014 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)297-304
JournalElectrochimica Acta
Volume155
DOIs
Publication statusPublished - 10 Feb 2015
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

Financial support provided by the Natural Science Grant of China (No. 21476063) is gratefully acknowledged.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Research Keywords

  • Anode material
  • Electrochemical properties
  • Lithium ion batteries
  • Rheological phase method
  • ZnCo2o4

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