Low-stress power electrode

The utility model discloses a low-stress power electrode. Power electrode comprising a power electrode body, wherein one side of the bottom of the power electrode body is provided with a vertical connecting part, the bottom end of the vertical connecting part is provided with a horizontal connecting part which is folded towards one side in the horizontal direction, the inner end of the horizontalconnecting part is provided with a vertical transition part which is folded downwards in the vertical direction, and the bottom end of the vertical transition part is provided with a horizontal welding part which is folded towards the opposite side of the horizontal connecting part in the horizontal direction. According to the utility model, the structure of the power electrode is improved, so that long-term stress fatigue caused by welding type conventional power electrode installation and thermal fatigue caused by materials with different thermal expansion coefficients are effectively avoided, the reliability of the