**Author details**

I. Robles1 , J. Lakatos2 , P. Scharek3 , Z. Planck3 , G. Hernández4 , S. Solís4 and E. Bustos1\*

\*Address all correspondence to: ebustos@cideteq.mx

1 Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S. C. Parque Tecnoló‐ gico Querétaro S/N, Sanfandila, Pedro Escobedo, Querétaro, Mexico

2 University of Miskolc, Faculty of Material Sciences and Engineering, Institute of Chemis‐ try, Miskolc, Hungary

3 Geological and Geophysical Institute of Hungary, Budapest, Hungary

4 Centro de Geociencias, Campus UNAM-Juriquilla, Querétaro, Qro., Mexico
