Operando electron magnetic measurements of Li-ion batteries

Gregory Gershinsky; Elad Bar; Laure Monconduit; David Zitoun

doi:10.1039/c4ee00490f

Operando electron magnetic measurements of Li-ion batteries

Gregory Gershinsky, Elad Bar, Laure Monconduit, David Zitoun

Department of Chemistry

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42 Scopus citations

Abstract

One of the challenges in the development of batteries consists of investigating new electrode materials and comprehending the mechanism of lithium uptake. Herein, we report on the first operando measurements of electron magnetism in a battery during cycling. We have succeeded in designing a non-magnetic cell and have investigated the lithiation mechanism of FeSb ₂, a high energy density anode material. The stepwise increase of the magnetic moment reveals an increase of amorphous Fe nanoparticle size, while Sb undergoes reversible alloying with Li. This journal is

Original language	English
Pages (from-to)	2012-2016
Number of pages	5
Journal	Energy and Environmental Science
Volume	7
Issue number	6
DOIs	https://doi.org/10.1039/c4ee00490f
State	Published - Jun 2014

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Operando electron magnetic measurements of Li-ion batteries

Abstract

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