Battery cell, comprising: a negative terminal, a positive terminal, an encasement, and an electrode assembly, wherein the electrode assembly is arranged within the encasement, the electrode assembly comprising: an anode that contains several anode tabs extending from a front edge of the electrode assembly and a cathode that contains several cathode tabs extending from the front edge of the electrode assembly, whereas the anode tabs are connected to the negative terminal and the cathode tabs are connected to the positive terminal, wherein the anode tabs and/or the cathode tabs are designed such that when in case of error the negative terminal and/or the positive terminal is shifted relatively to the electrode assembly, the anode tabs and/or the cathode tabs are deformed while ensuring electrical connection between the anode and the negative terminal and/or between the cathode and the positive terminal, wherein said error comprising one of: occurrence of tensile stress in anode tabs and/or cathode tabs, occurrence of an overpressure within the encasement, and occurrence of an internal shortcut in the battery cell, and wherein said encasement is a bag or a pouch made of a soft and flexible material that surrounds the electrode assembly, characterized in that the battery cell comprises a bracket element made of a metal, wherein the bracket element is shaped annular and surrounds the encasement and, while the electrode assembly is arranged inside the encasement, encompasses a front portion of the electrode assembly, which is located adjacent to the front edge of the electrode assembly. a negative terminal, a positive terminal, an encasement, and an electrode assembly, wherein the electrode assembly is arranged within the encasement, the electrode assembly comprising: an anode that contains several anode tabs extending from a front edge of the electrode assembly and a cathode that contains several cathode tabs extending from the front edge of the electrode assembly, whereas the anode tabs are connected to the negative terminal and the cathode tabs are connected to the positive terminal, wherein the anode tabs and/or the cathode tabs are designed such that when in case of error the negative terminal and/or the positive terminal is shifted relatively to the electrode assembly, the anode tabs and/or the cathode tabs are deformed while ensuring electrical connection between the anode and the negative terminal and/or between the cathode and the positive terminal, wherein said error comprising one of: occurrence of tensile stress in anode tabs and/or cathode tabs, occurrence of an overpressure within the encasement, and occurrence of an internal shortcut in the battery cell, and wherein said encasement is a bag or a pouch made of a soft and flexible material that surrounds the electrode assembly, characterized in that the battery cell comprises a bracket element made of a metal, wherein the bracket element is shaped annular and surrounds the encasement and, while the electrode assembly is arranged inside the encasement, encompasses a front portion of the electrode assembly, which is located adjacent to the front edge of the electrode assembly. an anode that contains several anode tabs extending from a front edge of the electrode assembly and a cathode that contains several cathode tabs extending from the front edge of the electrode assembly, whereas the anode tabs are connected to the negative terminal and the cathode tabs are connected to the positive terminal, wherein the anode tabs and/or the cathode tabs are designed such that when in case of error the negative terminal and/or the positive terminal is shifted relatively to the electrode assembly, the anode tabs and/or the cathode tabs are deformed while ensuring electrical connection between the anode and the negative terminal and/or between the cathode and the positive terminal, wherein said error comprising one of: occurrence of tensile stress in anode tabs and/or cathode tabs, occurrence of an overpressure within the encasement, and occurrence of an internal shortcut in the battery cell, and wherein said encasement is a bag or a pouch made of a soft and flexible material that surrounds the electrode assembly, characterized in that the battery cell comprises a bracket element made of a metal, wherein the bracket element is shaped annular and surrounds the encasement and, while the electrode assembly is arranged inside the encasement, encompasses a front portion of the electrode assembly, which is located adjacent to the front edge of the electrode assembly. occurrence of tensile stress in anode tabs and/or cathode tabs, occurrence of an overpressure within the encasement, and occurrence of an internal shortcut in the battery cell, and wherein said encasement is a bag or a pouch made of a soft and flexible material that surrounds the electrode assembly, characterized in that the battery cell comprises a bracket element made of a metal, wherein the bracket element is shaped annular and surrounds the encasement and, while the electrode assembly is arranged inside the encasement, encompasses a front portion of the electrode assembly, which is located adjacent to the front edge of the electrode assembly.