ACCOMMODATION MEMBER FOR LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY PACK USING IT

摘要

PROBLEM TO BE SOLVED: To enhance a safety at the time of excess charging. SOLUTION: When the lithium secondary battery in which a battery element having a positive electrode and a negative electrode is accommodated in a flat plate-like case comprising an outer packaging material is accommodated in an accommodation member, a vertical strength of the accommodation member against a flat plate surface of the case is made to a strength withstanding a pressure of 0.5 kg/cm2 or more.