Lithium insertion properties of mesoporous nanocrystalline TiO2 and TiO2–O5 microspheres prepared by non-hydrolytic sol–gel
A.M. Escamilla-Pérez, N. Louvain, M. Kaschowitz, S.A. Freunberger, O. Fontaine, B. Boury, N. Brun, P.H. Mutin, Journal of Sol-Gel Science and Technology 79 (2016) 270–278.