NONAQUEOUS SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery in which progress of temperature rise can be prevented surely, even if rapid temperature rise takes place in a large capacity nonaqueous secondary battery.SOLUTION: The nonaqueous secondary battery includes a laminate 18 having layers of a positive electrode plate, a separator, and a negative electrode plate, an electrode group 12 laminating a plurality of layers of laminate 18, each temperature rise prevention element 24 disposed in at least one current path between the positive electrode plate and negative electrode plate of each laminate 18 and between the battery terminals 16 thereof, and interrupting the current path by heat from the laminate 18 in overheat state, and a battery can 11.