摘要 |
An electrode assembly for a rechargeable Li-ion battery, comprising a current collector provided with an electrode composition comprising carboxymethyl cellulose (CMC) binder material and silicon powder provided with a layer of SiO2 or silicon suboxides SiOx, with 0<x≦̸2, such that the oxygen content of said silicon is between 3 and 18% by weight. |