SEPARATOR OF LITHIUM ION BATTERY, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME

摘要

A separator of a battery includes a porous membrane and a modifier layer disposed on a surface of the porous membrane, wherein a material of the modifier layer is a dried mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide in a liquid phase solvent.