Patent ID: 7993775
Filing Date: 2011-08-09
Classification: H01M,Y02E,Y02P

Abstract:
1. A conductive plate assembly to connect at least two batteries, the conductive plate comprising: a plurality of welding portions electrically connected to corresponding ones of the electrode terminals of the at least two batteries, each welding portion including at least two spot points respectively arranged at each of two ends of the welding portion; and an expansion unit positioned between the welding portions and having a length along a lengthwise direction of the conductive plate assembly, the length of the expansion unit being configured to increase with respect to the welding portions in response to application of an external force applied to the conductive plate assembly, the expansion unit including a connection unit formed by a plate having a serpentine shape along the lengthwise direction, the connection unit having a narrower width as measured transversely to said lengthwise direction, than a width of the conductive plate as measured transversely to said lengthwise direction.