A high-power 4 × 4: crystallographic and electrochemical insights into a novel Wadsley–Roth anode Nb9Ti1.5W1.5O30

Elizabeth Helen Driscoll; Alex Green; Dominic Fortes; Christopher Howard; Laura Louise Driscoll; Emma Kendrick; Colin Greaves; Peter Raymond Slater

doi:10.1039/D4CC02844A

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A high-power 4 × 4: crystallographic and electrochemical insights into a novel Wadsley–Roth anode Nb₉Ti_1.5W_1.5O₃₀†

Elizabeth Helen Driscoll,

*^abc Alex Green,

^bc Dominic Fortes,

^d Christopher Howard,

^d Laura Louise Driscoll,^bc Emma Kendrick,

^ac Colin Greaves

^b and Peter Raymond Slater

*^bc

Author affiliations

* Corresponding authors

^a School of Metallurgy and Materials, University of Birmingham, Edgbaston, UK
E-mail: e.h.driscoll@bham.ac.uk

^b School of Chemistry, University of Birmingham, Edgbaston, UK
E-mail: p.r.slater@bham.ac.uk

^c The Faraday Institution, Becquerel Avenue, Harwell, Didcot, UK

^d ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Harwell Campus, Didcot, UK

Abstract

A novel 4 × 4 Wadsley–Roth block phase, Nb₉Ti_1.5W_1.5O₃₀, has been prepared and its structure determined through Neutron and X-ray diffraction studies. Electrochemical testing indicated excellent high rate performance, with a returned delithiation capacity of 184 (4) mA h g⁻¹ at a current of 2 A g⁻¹.

This article is part of the themed collection: Electrochemical energy storage

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Article information

DOI: https://doi.org/10.1039/D4CC02844A
Article type: Communication
Submitted: 12 Jun 2024
Accepted: 12 Aug 2024
First published: 14 Aug 2024
This article is Open Access

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Chem. Commun., 2024,60, 10001-10004

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A high-power 4 × 4: crystallographic and electrochemical insights into a novel Wadsley–Roth anode Nb₉Ti_1.5W_1.5O₃₀

E. H. Driscoll, A. Green, D. Fortes, C. Howard, L. L. Driscoll, E. Kendrick, C. Greaves and P. R. Slater, Chem. Commun., 2024, 60, 10001 DOI: 10.1039/D4CC02844A

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Chemical Communications