LITHIUM-ION SECONDARY BATTERY AND VEHICLE MOUNTED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a lithium-ion secondary battery having high durability.SOLUTION: The lithium-ion secondary battery includes: a cathode containing a cathode active material not containing Li; and an anode containing an anode active material containing Si, and a binder containing a polyimide resin-silica hybrid material obtained by subjecting a silane-modified polyamic acid represented by the following formula to sol-gel curing and cyclodehydration.