NOVELTY - The assembly (10) has an electrode including an electrode current collector and an electrode active material layer formed on the electrode current collector. Another electrode includes another electrode current collector and another electrode active material layer formed on the latter electrode current collector. A separator is placed between the electrodes. A supporting portion is formed of a groove and a protrusion at an edge of the former electrode current collector. A combination portion is combined with the supporting portion on the former electrode active material layer.    USE - Electrode assembly for use in a rechargeable battery (claimed) i.e. pouch type rechargeable battery that is utilized in a small electronic device e.g. mobile phone, laptop computer and camcorder, and a motor of a hybrid vehicle. Can also be used for a cylindrical type rechargeable battery and an angular type rechargeable battery.    ADVANTAGE - The assembly prevents the active material layer and the current collector from being separated from each other by stably combining the active material layer and the current collector, so that charging and discharging efficiencies of the assembly and rechargeable battery are improved. The groove is formed at the edge of the former electrode current collector, and the protrusion is formed on the former electrode active material layer, thus preventing deviation of the former electrode active material layer from the former electrode current collector by the combination of the groove and the protrusion. The assembly provides uneven protrusions and depressions that are formed on the entire former electrode current collector by forming the edge portion on the edge of the former electrode current collector, thus preventing increase in resistance.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a rechargeable battery comprising a pouch type case.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of a rechargeable battery.    Electrode assembly (10)    Terminals (21, 22)    Case (25)    Insulation layer (28)    Rechargeable battery (101)