ELECTRODE ASSEMBLY COMPRISING ELECTRODE UNITS WITH EQUAL WIDTHS AND DIFFERENT LENGTHS, AND BATTERY CELL AND DEVICE COMPRISING SAME

摘要

The present invention relates to an electrode assembly, and a battery cell and a device comprising same, the electrode assembly comprising a combination of two or more types of electrode units with equal widths and different lengths, and stacked so that the electrode units create steps therebeween and electrodes of different polarities face each other on the boundary surface between the electrode units with equal widths and different lengths.