abstract |
A compound of formula I: NaxNi0.5-yZnyMn0.5-zTizO2 (I), wherein x is a number ranging from 0.7 and 1.1, y is a number superior to 0 and up to 0.1, and z is a number between 0 and 0.5, batteries incorporating the compound and its use in particular as an positive electrode material for Na-ion batteries and cells and a process to obtain such a compound. |