BATTERY

摘要

An energy storage device includes an electrode assembly 400, a current collector, and a case 100 accommodating the electrode assembly 400 and the current collector. The case 100 has an inner surface provided with a recess 112, and a portion connecting the electrode assembly 400 and the current collector or a portion connecting a conductive member connected to the electrode assembly 400 and the current collector is at least partially disposed opposite to the recess 112.