Degradation mechanisms in low-voltage Wadsley–Roth TiNb<sub>2</sub>O<sub>7</sub> electrodes upon cycling with Li

Deep lithiation of TiNb 2 O 7 was found to limit its high rate performance. Amorphisation of the surface and a 10% volume change during lithiation that leads to electrode degradation were found to be possible causes.

Authors

Adrien Boulineau
Carolina del Mar Saavedra Rios (ORCID: https://orcid.org/0000-0002-7259-6953)
J. Colin (ORCID: https://orcid.org/0000-0003-1401-6209)
Benjamin Mercier‐Guyon (ORCID: https://orcid.org/0000-0002-8259-1400)
Sébastien Martinet (ORCID: https://orcid.org/0000-0001-6127-3676)

Institutions

Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
Laboratoire d’Innovation pour les Technologies des Énergies Nouvelles et les nanomatériaux (FR)
Université Grenoble Alpes (FR)

Publication Details

Journal: Journal of Materials Chemistry A
Published: 2025-01-01
DOI: https://doi.org/10.1039/d4ta06441k
Primary Topic: Transition Metal Oxide Nanomaterials
Type: article
Field-Weighted Citation Impact: 0.00

Funders

European Commission

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article

Degradation mechanisms in low-voltage Wadsley–Roth TiNb₂O₇ electrodes upon cycling with Li

Adrien Boulineau, Carolina del Mar Saavedra Rios, J. Colin, Benjamin Mercier‐Guyon et al.

Jan 1, 2025

Journal of Materials Chemistry A

Transition Metal Oxide Nanomaterials

article

Degradation mechanisms in low-voltage Wadsley–Roth TiNb₂O₇ electrodes upon cycling with Li

Adrien Boulineau, Carolina del Mar Saavedra Rios, J. Colin, Benjamin Mercier‐Guyon, Sébastien Martinet

January 1, 2025article en

Abstract

Deep lithiation of TiNb 2 O 7 was found to limit its high rate performance. Amorphisation of the surface and a 10% volume change during lithiation that leads to electrode degradation were found to be possible causes.

Journal of Materials Chemistry AVol. 13(25)

Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Laboratoire d’Innovation pour les Technologies des Énergies Nouvelles et les nanomatériaux (FR), Université Grenoble Alpes (FR)

European Commission

Openalex Percentile: Top 92%

Transition Metal Oxide Nanomaterials

DOI Open Access PDF OpenAlex

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