METHOD OF CHECKING PLACEMENT OF BATTERY COMPONENTS IN BATTERY CASE

摘要

Provided is a method for checking whether a specific battery component is mounted in a battery case without disjoining the battery. The method comprises the steps of preparing a battery which is provided with a specific battery component containing the component where rays do not transmit; and irradiating rays to the battery to check whether the specific battery component is mounted in a battery case without disjoining the battery. Preferably, the specific battery component is an insulating member and the component where rays do not transmit is a metal. Preferably, the component where rays do not transmit is a metal except aluminum.