BATTERY MODULE ELECTRICITY STORAGE DEVICE ELECTRICITY STORAGE SYSTEM ELECTRONIC INSTRUMENT ELECTRIC VEHICLE AND ELECTRIC POWER SYSTEM

摘要

The battery module includes a stacked body including at least a plurality of stacked battery units, an insulating rod-shaped body penetrating the laminate, and a fastening part for fastening the laminate from both ends of the insulating rod-shaped body penetrating the laminate. do. The stacked body is fastened by the fastening portion, so that a plurality of battery units are fastened, and close portions of the conductive members of adjacent battery units are in close contact with each other, and the adjacent battery units are electrically connected.