4.6 Article

ZnO/Co3O4/C hollow dodecahedrons derived from ZnCo-ZIFs as anode materials for lithium ion batteries

Journal

MATERIALS LETTERS
Volume 285, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.matlet.2020.129202

Keywords

ZnO/Co3O4/C; Hollow dodecahedrons; Lithium ion batteries; Electrochemical properties; Composite materials; Energy storage and conversion

Funding

  1. Scientific Research Program of Hebei Province [16273706D]
  2. Basic Innovation Team of Tangshan

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Bimetal oxides consisting of ZnO, Co3O4, and carbon displayed excellent lithium storage performances as anode materials in lithium ion batteries. The hollow dodecahedrons structure and the synergistic effect of the multicomponent were crucial for the outstanding performance of ZnO/Co3O4/C as an anode material for LIBs.
The bimetal oxides (ZnO/Co3O4/C) showed superior Li' storage performances as anode materials for Lithium ion batteries (LIBs). The ZnO/Co3O4/C hollow dodecahedrons have been successfully synthesized via ZnCo-ZIFs as self-sacrificial template. The ZnO/Co3O4/C hollow dodecahedrons were applied in the anode materials, which have shown outstanding Li+ storage performances. The ZnO/Co3O4/C electrodes have shown a high discharge capacity (1316 mA h g(-1) at 0.1 A g(-1) after 100 cycles) and high rate performances (1101 mA h g(-1) at 1 A g(-1) after 25 cycles). The excellent Li' storage performance of ZnO/Co3O4/C hollow dodecahedrons mainly benefited from its unique hollow structure and the synergistic effect of multicomponent. (c) 2020 Elsevier B.V. All rights reserved.

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