Patent ID: 8890648

Claim:
A connecting element for a secondary battery, which is installed along a path of current flowing through the secondary battery to electrically connect components, the connecting element comprising: a first metal plate having a first side end and a first protrusion formed to protrude from a center portion of the first side end; a second metal plate spaced apart from the first metal plate by a gap, the second metal plate having a second side end and a second protrusion formed to protrude from a center portion of the second side end and configured to face the first protrusion; and an alloy bridge made of alloy material having a melting point lower than those of the first metal plate and the second metal plate, wherein the alloy material, in a condition in which the alloy material is below the melting point thereof, is formed to fill the gap and to conform to contours of the first and second protrusions, and wherein an outer surface of the alloy bridge conforms to surfaces of the first metal plate and the second metal plate adjacent the first and second protrusions, respectively.