Using simple spray pyrolysis to prepare yolk-shell-structured ZnO-Mn 3O4 systems with the optimum composition for superior electrochemical properties

Seung Ho Choi; Yun Chan Kang

doi:10.1002/chem.201304118

Using simple spray pyrolysis to prepare yolk-shell-structured ZnO-Mn ₃O₄ systems with the optimum composition for superior electrochemical properties

Seung Ho Choi, Yun Chan Kang

Research output: Contribution to journal › Article

45 Citations (Scopus)

Abstract

A spray-pyrolysis process is introduced as an effective tool for the preparation of yolk-shell-structured materials with electrochemical properties suitable for anode materials in Li-ion batteries (LIBs). Yolk-shell-structured ZnO-Mn₃O₄ systems with various molar ratios of the Zn and Mn components are prepared. The yolk-shell-structured ZnO-Mn₃O ₄ powders with a molar ratio of 1:1 of the Zn and Mn components are shown to have high capacities and good cycling performances. Powdered eggs: A spray-pyrolysis process is introduced as an effective tool for the preparation of yolk-shell-structured materials. Yolk-shell-structured ZnO-Mn ₃O₄ powders with various molar ratios of Zn and Mn were prepared (see figure), and a 1:1 ratio is shown to have the high capacities and good cycling performances that are needed for anode materials in Li-ion batteries.

Original language	English
Pages (from-to)	3014-3018
Number of pages	5
Journal	Chemistry - A European Journal
Volume	20
Issue number	11
DOIs	https://doi.org/10.1002/chem.201304118
Publication status	Published - 2014 Mar 10
Externally published	Yes

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Keywords

anode materials
lithium-ion batteries
metal oxides
spray pyrolysis
yolk-shell materials

ASJC Scopus subject areas

Chemistry(all)

Cite this

Choi, S. H., & Kang, Y. C. (2014). Using simple spray pyrolysis to prepare yolk-shell-structured ZnO-Mn ₃O₄ systems with the optimum composition for superior electrochemical properties. Chemistry - A European Journal, 20(11), 3014-3018. https://doi.org/10.1002/chem.201304118

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10.1002/chem.201304118