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Issue 22, 2018
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Effects of nanostructuring on the bond strength and disorder in V2O5 cathode material for rechargeable ion-batteries

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Abstract

We have investigated the nanostructuring effects on the local structure of V2O5 cathode material by means of temperature dependent V K-edge X-ray absorption fine structure measurements. We have found that the nanostructuring largely affects V–O and V–V bond characteristics with a general softening of the local V–O and V–V bonds. The obtained bond strengths correlate with the specific capacity shown by the different systems, with higher capacity corresponding to softer atomic pairs. The present study suggests the key role of local atomic displacements in the diffusion and storage of ions in cathodes for batteries, providing important information for designing new functional materials.

Graphical abstract: Effects of nanostructuring on the bond strength and disorder in V2O5 cathode material for rechargeable ion-batteries

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Publication details

The article was received on 31 Jan 2018, accepted on 09 May 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8CP00716K
Citation: Phys. Chem. Chem. Phys., 2018,20, 15288-15292
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    Effects of nanostructuring on the bond strength and disorder in V2O5 cathode material for rechargeable ion-batteries

    W. Olszewski, I. Isturiz, C. Marini, M. Avila, M. Okubo, H. Li, H. Zhou, T. Mizokawa, N. L. Saini and L. Simonelli, Phys. Chem. Chem. Phys., 2018, 20, 15288
    DOI: 10.1039/C8CP00716K

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