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Energy Dispersive X-ray Diffraction (EDXRD) of Li1.1V3O8 Electrochemical Cell

Published online by Cambridge University Press:  16 January 2017

Qing Zhang ,
Andrea M. Bruck ,
David C. Bock ,
Jing Li ,
Eric A. Stach ,
Esther S. Takeuchi ,
Kenneth J. Takeuchi  and
Amy C. Marschilok
Qing Zhang
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794
Andrea M. Bruck
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794
David C. Bock
Affiliation:
Energy Sciences Directorate, Brookhaven National Laboratory, Upton, NY 11973
Jing Li
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794
Eric A. Stach
Affiliation:
Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973
Esther S. Takeuchi*
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794 Department of Chemistry, Stony Brook University, Stony Brook, NY 11794 Energy Sciences Directorate, Brookhaven National Laboratory, Upton, NY 11973
Kenneth J. Takeuchi*
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794 Department of Chemistry, Stony Brook University, Stony Brook, NY 11794
Amy C. Marschilok*
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794 Department of Chemistry, Stony Brook University, Stony Brook, NY 11794
*
*corresponding authors: (EST) esther.takeuchi@stonybrook.edu, (KJT) kenneth.takeuchi.1@stonybrook.edu, (ACM) amy.marschilok@stonybrook.edu
*corresponding authors: (EST) esther.takeuchi@stonybrook.edu, (KJT) kenneth.takeuchi.1@stonybrook.edu, (ACM) amy.marschilok@stonybrook.edu
*corresponding authors: (EST) esther.takeuchi@stonybrook.edu, (KJT) kenneth.takeuchi.1@stonybrook.edu, (ACM) amy.marschilok@stonybrook.edu

Abstract

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In this study, we conducted the first energy dispersive x-ray diffraction (EDXRD) experiments on Li/Li1.1V3O8 coin cells discharged to different lithiation levels in order to investigate the phase transitions upon electrochemical reduction. The phase transformation from layered Li-poor α to Li-rich α to defect rock-salt β phase was confirmed with cells of different lithiation stages. No spatial localization of phase formation was observed throughout the cathodes under the conditions of this measurement.

Keywords

Lienergy storageV
Type
Articles
Information
MRS Advances , Volume 2 , Issue 7: Electrochemistry , 2017 , pp. 401 - 406
Copyright
Copyright © Materials Research Society 2017 

References

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