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A Combined Experimental and Theoretical Study of Lithiation Mechanism in ZnFe2O4 Anode Materials

Published online by Cambridge University Press:  20 March 2018

Lei Wang ,
Alison McCarthy ,
Kenneth J. Takeuchi ,
Esther S. Takeuchi  and
Amy C. Marschilok
Lei Wang
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY11794
Alison McCarthy
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY11794
Kenneth J. Takeuchi
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY11794 Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY11794
Esther S. Takeuchi
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY11794 Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY11794 Energy and Photon Sciences Directorate, Brookhaven National Laboratory, Upton, NY11973
Amy C. Marschilok*
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY11794 Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY11794 Energy and Photon Sciences Directorate, Brookhaven National Laboratory, Upton, NY11973
*
*corresponding author: [email protected].
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Abstract

ZnFe2O4 (ZFO) represents a promising anode material for lithium ion batteries, but there is still a lack of deep understanding of the fundamental reduction mechanism associated with this material. In this paper, the complete visualization of reduction/oxidation products irrespective of their crystallinity was achieved experimentally through a compilation of in situ X-ray diffraction, synchrotron based powder diffraction, and ex-situ X-ray absorption fine structure data. Complementary theoretical modelling study further shed light upon the fundamental understanding of the lithiation mechanism, especially at the early stage from ZnFe2O4 up to LixZnFe2O4 (x = 2).

Keywords

ZnFeenergy storage
Type
Articles
Information
MRS Advances , Volume 3 , Issue 14: Nanomaterials , 2018 , pp. 773 - 778
Copyright
Copyright © Materials Research Society 2018 

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Footnotes

ŧ

Equivalent contributions.

References

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