Separator for non-aqueous rechargeable lithium battery

A non-aqueous rechargeable lithium battery comprising:

• a separator comprising:
• a separator body comprising a material with a first melting point, and
• a composite supporting the separator body comprising an organic compound and an inorganic compound, wherein the organic compound has a higher melting point than the first melting point, and the inorganic compound comprises an element selected from the group consisting of 1A, 2A, 3A, 4A, and 5B elements from the periodic table, and combinations thereof, and a moiety selected from the group consisting of oxides, hydroxides, carbonates, phosphates, sulfates, nitrates, alkoxides, and combinations thereof;
• a positive electrode facing a first surface of the separator body;
• and
• a negative electrode facing a second opposite surface of the separator body.