Issue 21, 2024

An innovative synthesis of carbon-coated TiO2 nanoparticles as a host for Na+ intercalation in sodium-ion batteries

Abstract

In this work, an innovative route to synthesize an anatase TiO2@C composite is presented. The synthesis was conducted using a soft chemistry microwave-assisted method using titanium(IV) butoxide as a titanium precursor. The residual (un)converted titanium precursor remaining after TiO2 synthesis was used as a carbon precursor and thermally treated under H2 to obtain nanoparticles of the TiO2@C composite. A superior reversible specific capacity was obtained with TiO2@C (120 mA h g−1 at a C/20 rate, 3rd cycle) compared to that with pristine TiO2 (66.5 mA h g−1 at a C/20 rate, 3rd cycle), in agreement with the importance of carbon coating addition to TiO2 nanoparticles as negative electrode materials for sodium-ion batteries.

Graphical abstract: An innovative synthesis of carbon-coated TiO2 nanoparticles as a host for Na+ intercalation in sodium-ion batteries

Article information

Article type
Paper
Submitted
16 feb 2024
Accepted
18 apr 2024
First published
19 apr 2024
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2024,53, 9112-9119

An innovative synthesis of carbon-coated TiO2 nanoparticles as a host for Na+ intercalation in sodium-ion batteries

T. Soudant, S. Fleutot, S. Bruyère, L. Speyer, S. Hupont, M. Bolmont, T. Girardet, L. Raspado, C. Hérold and S. Cahen, Dalton Trans., 2024, 53, 9112 DOI: 10.1039/D4DT00459K

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