Battery unit and battery pack having less resistance and improved contacts

摘要

A battery unit and a battery pack including the battery unit having reduced resistance along the leads. The battery unit includes a battery unit including an electrode assembly arranged within a pouch and lead tabs extending to an outside of the pouch and being electrically connected to the electrode assembly, a frame to support the battery unit, the frame including a first portion to accommodate the pouch of the battery unit and a second portion to accommodate the lead tabs, lead members arranged between the lead tabs and the second portion of the frame and a plurality of coupling members to mechanically couple together the lead tabs, the lead member and the second portion of the frame.

主权项

1. A battery pack, comprising:
a battery unit including an electrode assembly arranged within a pouch and a plurality of lead tabs extending to an outside of the pouch and being electrically connected to the electrode assembly; a frame to support the battery unit, the frame including a first portion to accommodate the pouch of the battery unit and a second portion to accommodate the lead tabs; a plurality of lead members, each being arranged between corresponding ones of the lead tabs and the second portion of the frame; and a plurality of coupling members to mechanically couple together the lead tabs, the lead member and the second portion of the frame, wherein each of the lead members being a rectangular rigid metal block having two major surfaces opposite each other and a side surface perpendicular to the two major surfaces, each of the two major surfaces being perforated by a plurality of coupling apertures that accommodate a passage of the coupling members, the side surface being perforated by first and second side apertures, the first side aperture to couple with a bus bar and the second side aperture to provide input and output of electrical signals of a battery status from and to a controller to control the battery pack.