Issue 9, 2017

General synthesis of metal oxide hollow core–shell microspheres as anode materials for lithium-ion batteries and as adsorbents for wastewater treatment

Abstract

Hollow core–shell structures have many advantages, but their synthesis remains challenging. In this report, we demonstrate a general method for the preparation of a series of metal oxide hollow core–shell microspheres, including Co3O4, NiO and Mn2O3. The hollow core–shell microspheres were prepared via a coordination precipitation route followed by a calcination process. The morphology and microstructures of the metal oxide hollow core–shell microspheres could be controlled by optimizing the experimental conditions. A possible formation mechanism of the hollow core–shell structure was proposed. As anode materials for lithium ion cells, the Co3O4 hollow core–shell microspheres exhibited superior Li+ storage properties. When applied as adsorbents in water treatment, the NiO hollow core–shell microspheres showed an excellent ability to remove organic pollutants.

Graphical abstract: General synthesis of metal oxide hollow core–shell microspheres as anode materials for lithium-ion batteries and as adsorbents for wastewater treatment

Supplementary files

Article information

Article type
Paper
Submitted
14 déc. 2016
Accepted
31 janv. 2017
First published
31 janv. 2017

CrystEngComm, 2017,19, 1311-1319

General synthesis of metal oxide hollow core–shell microspheres as anode materials for lithium-ion batteries and as adsorbents for wastewater treatment

Y. Gu, H. Wang, Y. Xuan, L. Wang and Y. Qian, CrystEngComm, 2017, 19, 1311 DOI: 10.1039/C6CE02563C

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