Magnesium-ion battery-relevant electrochemistry of MgMn2O4: crystallite size effects and the notable role of electrolyte water content

Jiefu Yin; Alexander B. Brady; Esther S. Takeuchi; Amy C. Marschilok; Kenneth J. Takeuchi

doi:10.1039/C7CC00265C

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Magnesium-ion battery-relevant electrochemistry of MgMn₂O₄: crystallite size effects and the notable role of electrolyte water content†

Jiefu Yin,^a Alexander B. Brady,^a Esther S. Takeuchi,*^abc Amy C. Marschilok

*^ab and Kenneth J. Takeuchi*^ab

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* Corresponding authors

^a Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA
E-mail: esther.takeuchi@stonybrook.edu, amy.marschilok@stonybrook.edu, kenneth.takeuchi.1@stonybrook.edu

^b Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794, USA

^c Energy Sciences Directorate, Brookhaven National Laboratory, Upton, NY 11973, USA

Abstract

MgMn₂O₄ nanoparticles with crystallite sizes of 11 (MMO-1) and 31 nm (MMO-2) were synthesized and their magnesium-ion battery-relevant electrochemistry was investigated. MMO-1 delivered an initial capacity of 220 mA h g⁻¹ (678 mW h g⁻¹). Electrolyte water content had a profound effect on cycle retention.

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Article information

DOI: https://doi.org/10.1039/C7CC00265C
Article type: Communication
Submitted: 11 Jan 2017
Accepted: 06 Mar 2017
First published: 06 Mar 2017

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Chem. Commun., 2017,53, 3665-3668

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Magnesium-ion battery-relevant electrochemistry of MgMn₂O₄: crystallite size effects and the notable role of electrolyte water content

J. Yin, A. B. Brady, E. S. Takeuchi, A. C. Marschilok and K. J. Takeuchi, Chem. Commun., 2017, 53, 3665 DOI: 10.1039/C7CC00265C

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Chemical Communications