A. F. Y. Matsushita, J. do R. V. do Nascimento, J. M. de A. Leite, and J. R. Garcia, “Synthesis and Characterization of a New Keggin-Type Polyoxoniobate for Application as Anodes in Sodium-ion Batteries (SIBs)”, Orbital: Electron. J. Chem., vol. 17, no. 2, pp. 217-225, May 2025.