Patent ID: 9005802
Filing Date: 2015-04-14
Classification: B23K,H01M,Y02E,Y02P,Y10T

Abstract:
1. An electrode assembly comprising: a mandrel having a first face and a second face, comprising a positive portion, a negative portion, a breakaway notch and one or more removable portions adjacent to the breakaway notch; a positive electrode; a negative electrode; a positive feedthrough pin; and a negative feedthrough pin; wherein the positive portion and the negative portion are connected by one or more removable portions; wherein the positive feedthrough pin is connected to the positive portion and the negative feedthrough pin is connected to the negative portion; wherein the positive electrode is attached to the positive portion and the negative electrode is attached to the negative portion; wherein one or both electrodes are connected to the mandrel by one or more ultrasonic welds from the same face of the mandrel from which the one or both electrodes are attached; and wherein one or both electrodes are connected to the mandrel by one or more laser welds from an opposite face of the mandrel to which the one or both electrodes are attached.