ELECTRODE ACTIVE MATERIAL, ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE ELECTRODE ACTIVE MATERIAL

摘要

An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.