Advanced anode materials for sodium ion batteries: H2Ti3O7 and TMNCN (TM=Mn2+, Fe2+, Co2+, Ni2+, Cu2+ and Zn2+) carbodiimides Doktoregaia: Eguía Barrio, Aitor Urtea: 2016 Deskribapena: Saila: Kimika ezorganikoa