NON-AQUEOUS ELECTROLYTE SECONDARY CELL

摘要

A non-aqueous electrolyte secondary cell which comprises a positive electrode capable of charging and discharging, a non-aqueous electrolyte and a negative electrode capable of charging and discharging and utilizes, as an active material of the negative electrode, a solid solution represented by formula (1): LixM<1>yM<2>z wherein M<1> is at least one element selected from the group consisting of Ti, Zr, Mn, Co, Ni, Cu and Fe, M<2> is at least one element selected from the group consisting of Si and Sn, 0